DDL_schema
stringlengths 263
8.16k
| query
stringlengths 18
577
| question
stringlengths 3
224
| db_id
stringlengths 3
31
|
|---|---|---|---|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT min(salary) , dept_name FROM instructor GROUP BY dept_name HAVING avg(salary) > (SELECT avg(salary) FROM instructor)
|
Find the minimum salary for the departments whose average salary is above the average payment of all instructors.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT min(salary) , dept_name FROM instructor GROUP BY dept_name HAVING avg(salary) > (SELECT avg(salary) FROM instructor)
|
What is the lowest salary in departments with average salary greater than the overall average.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT count(*) , semester , YEAR FROM SECTION GROUP BY semester , YEAR
|
Find the number of courses provided in each semester and year.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT count(*) , semester , YEAR FROM SECTION GROUP BY semester , YEAR
|
How many courses are provided in each semester and year?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT YEAR FROM SECTION GROUP BY YEAR ORDER BY count(*) DESC LIMIT 1
|
Find the year which offers the largest number of courses.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT YEAR FROM SECTION GROUP BY YEAR ORDER BY count(*) DESC LIMIT 1
|
Which year had the greatest number of courses?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT semester , YEAR FROM SECTION GROUP BY semester , YEAR ORDER BY count(*) DESC LIMIT 1
|
Find the year and semester when offers the largest number of courses.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT semester , YEAR FROM SECTION GROUP BY semester , YEAR ORDER BY count(*) DESC LIMIT 1
|
What is the year and semester with the most courses?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT dept_name FROM student GROUP BY dept_name ORDER BY count(*) DESC LIMIT 1
|
Find the name of department has the highest amount of students?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT dept_name FROM student GROUP BY dept_name ORDER BY count(*) DESC LIMIT 1
|
What is the name of the deparment with the highest enrollment?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT count(*) , dept_name FROM student GROUP BY dept_name
|
Find the total number of students in each department.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT count(*) , dept_name FROM student GROUP BY dept_name
|
How many students are in each department?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT semester , YEAR FROM takes GROUP BY semester , YEAR ORDER BY count(*) LIMIT 1
|
Find the semester and year which has the least number of student taking any class.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT semester , YEAR FROM takes GROUP BY semester , YEAR ORDER BY count(*) LIMIT 1
|
Which semeseter and year had the fewest students?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT i_id FROM advisor AS T1 JOIN student AS T2 ON T1.s_id = T2.id WHERE T2.dept_name = 'History'
|
What is the id of the instructor who advises of all students from History department?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT i_id FROM advisor AS T1 JOIN student AS T2 ON T1.s_id = T2.id WHERE T2.dept_name = 'History'
|
Give id of the instructor who advises students in the History department.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT T2.name , T2.salary FROM advisor AS T1 JOIN instructor AS T2 ON T1.i_id = T2.id JOIN student AS T3 ON T1.s_id = T3.id WHERE T3.dept_name = 'History'
|
Find the name and salary of the instructors who are advisors of any student from History department?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT T2.name , T2.salary FROM advisor AS T1 JOIN instructor AS T2 ON T1.i_id = T2.id JOIN student AS T3 ON T1.s_id = T3.id WHERE T3.dept_name = 'History'
|
What are the names and salaries of instructors who advises students in the History department?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT course_id FROM course EXCEPT SELECT course_id FROM prereq
|
Find the id of the courses that do not have any prerequisite?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT course_id FROM course EXCEPT SELECT course_id FROM prereq
|
What are the ids of courses without prerequisites?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT title FROM course WHERE course_id NOT IN (SELECT course_id FROM prereq)
|
Find the name of the courses that do not have any prerequisite?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT title FROM course WHERE course_id NOT IN (SELECT course_id FROM prereq)
|
What are the names of courses without prerequisites?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT title FROM course WHERE course_id IN (SELECT T1.prereq_id FROM prereq AS T1 JOIN course AS T2 ON T1.course_id = T2.course_id WHERE T2.title = 'International Finance')
|
What is the title of the prerequisite class of International Finance course?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT title FROM course WHERE course_id IN (SELECT T1.prereq_id FROM prereq AS T1 JOIN course AS T2 ON T1.course_id = T2.course_id WHERE T2.title = 'International Finance')
|
Give the title of the prerequisite to the course International Finance.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT title FROM course WHERE course_id IN (SELECT T1.course_id FROM prereq AS T1 JOIN course AS T2 ON T1.prereq_id = T2.course_id WHERE T2.title = 'Differential Geometry')
|
Find the title of course whose prerequisite is course Differential Geometry.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT title FROM course WHERE course_id IN (SELECT T1.course_id FROM prereq AS T1 JOIN course AS T2 ON T1.prereq_id = T2.course_id WHERE T2.title = 'Differential Geometry')
|
What is the title of the course with Differential Geometry as a prerequisite?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name FROM student WHERE id IN (SELECT id FROM takes WHERE semester = 'Fall' AND YEAR = 2003)
|
Find the names of students who have taken any course in the fall semester of year 2003.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name FROM student WHERE id IN (SELECT id FROM takes WHERE semester = 'Fall' AND YEAR = 2003)
|
What are the names of students who took a course in the Fall of 2003?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT T1.title FROM course AS T1 JOIN SECTION AS T2 ON T1.course_id = T2.course_id WHERE building = 'Chandler' AND semester = 'Fall' AND YEAR = 2010
|
What is the title of the course that was offered at building Chandler during the fall semester in the year of 2010?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT T1.title FROM course AS T1 JOIN SECTION AS T2 ON T1.course_id = T2.course_id WHERE building = 'Chandler' AND semester = 'Fall' AND YEAR = 2010
|
Give the title of the course offered in Chandler during the Fall of 2010.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT T1.name FROM instructor AS T1 JOIN teaches AS T2 ON T1.id = T2.id JOIN course AS T3 ON T2.course_id = T3.course_id WHERE T3.title = 'C Programming'
|
Find the name of the instructors who taught C Programming course before.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT T1.name FROM instructor AS T1 JOIN teaches AS T2 ON T1.id = T2.id JOIN course AS T3 ON T2.course_id = T3.course_id WHERE T3.title = 'C Programming'
|
What are the names of instructors who have taught C Programming courses?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT T2.name , T2.salary FROM advisor AS T1 JOIN instructor AS T2 ON T1.i_id = T2.id JOIN student AS T3 ON T1.s_id = T3.id WHERE T3.dept_name = 'Math'
|
Find the name and salary of instructors who are advisors of the students from the Math department.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT T2.name , T2.salary FROM advisor AS T1 JOIN instructor AS T2 ON T1.i_id = T2.id JOIN student AS T3 ON T1.s_id = T3.id WHERE T3.dept_name = 'Math'
|
What are the names and salaries of instructors who advise students in the Math department?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT T2.name FROM advisor AS T1 JOIN instructor AS T2 ON T1.i_id = T2.id JOIN student AS T3 ON T1.s_id = T3.id WHERE T3.dept_name = 'Math' ORDER BY T3.tot_cred
|
Find the name of instructors who are advisors of the students from the Math department, and sort the results by students' total credit.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT T2.name FROM advisor AS T1 JOIN instructor AS T2 ON T1.i_id = T2.id JOIN student AS T3 ON T1.s_id = T3.id WHERE T3.dept_name = 'Math' ORDER BY T3.tot_cred
|
What are the names of all instructors who advise students in the math depart sorted by total credits of the student.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT title FROM course WHERE course_id IN (SELECT T1.prereq_id FROM prereq AS T1 JOIN course AS T2 ON T1.course_id = T2.course_id WHERE T2.title = 'Mobile Computing')
|
What is the course title of the prerequisite of course Mobile Computing?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT title FROM course WHERE course_id IN (SELECT T1.prereq_id FROM prereq AS T1 JOIN course AS T2 ON T1.course_id = T2.course_id WHERE T2.title = 'Mobile Computing')
|
What is the title of the course that is a prerequisite for Mobile Computing?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT T2.name FROM advisor AS T1 JOIN instructor AS T2 ON T1.i_id = T2.id JOIN student AS T3 ON T1.s_id = T3.id ORDER BY T3.tot_cred DESC LIMIT 1
|
Find the name of instructor who is the advisor of the student who has the highest number of total credits.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT T2.name FROM advisor AS T1 JOIN instructor AS T2 ON T1.i_id = T2.id JOIN student AS T3 ON T1.s_id = T3.id ORDER BY T3.tot_cred DESC LIMIT 1
|
What is the name of the instructor who advises the student with the greatest number of total credits?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name FROM instructor WHERE id NOT IN (SELECT id FROM teaches)
|
Find the name of instructors who didn't teach any courses?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name FROM instructor WHERE id NOT IN (SELECT id FROM teaches)
|
What are the names of instructors who didn't teach?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT id FROM instructor EXCEPT SELECT id FROM teaches
|
Find the id of instructors who didn't teach any courses?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT id FROM instructor EXCEPT SELECT id FROM teaches
|
What are the ids of instructors who didnt' teach?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name FROM instructor WHERE id NOT IN (SELECT id FROM teaches WHERE semester = 'Spring')
|
Find the names of instructors who didn't each any courses in any Spring semester.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name FROM instructor WHERE id NOT IN (SELECT id FROM teaches WHERE semester = 'Spring')
|
What are the names of instructors who didn't teach courses in the Spring?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT dept_name FROM instructor GROUP BY dept_name ORDER BY avg(salary) DESC LIMIT 1
|
Find the name of the department which has the highest average salary of professors.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT dept_name FROM instructor GROUP BY dept_name ORDER BY avg(salary) DESC LIMIT 1
|
Which department has the highest average instructor salary?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT avg(T1.salary) , count(*) FROM instructor AS T1 JOIN department AS T2 ON T1.dept_name = T2.dept_name ORDER BY T2.budget DESC LIMIT 1
|
Find the number and averaged salary of all instructors who are in the department with the highest budget.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT avg(T1.salary) , count(*) FROM instructor AS T1 JOIN department AS T2 ON T1.dept_name = T2.dept_name ORDER BY T2.budget DESC LIMIT 1
|
How many instructors are in the department with the highest budget, and what is their average salary?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT T3.title , T3.credits FROM classroom AS T1 JOIN SECTION AS T2 ON T1.building = T2.building AND T1.room_number = T2.room_number JOIN course AS T3 ON T2.course_id = T3.course_id WHERE T1.capacity = (SELECT max(capacity) FROM classroom)
|
What is the title and credits of the course that is taught in the largest classroom (with the highest capacity)?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT T3.title , T3.credits FROM classroom AS T1 JOIN SECTION AS T2 ON T1.building = T2.building AND T1.room_number = T2.room_number JOIN course AS T3 ON T2.course_id = T3.course_id WHERE T1.capacity = (SELECT max(capacity) FROM classroom)
|
Give the title and credits for the course that is taught in the classroom with the greatest capacity.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name FROM student WHERE id NOT IN (SELECT T1.id FROM takes AS T1 JOIN course AS T2 ON T1.course_id = T2.course_id WHERE T2.dept_name = 'Biology')
|
Find the name of students who didn't take any course from Biology department.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name FROM student WHERE id NOT IN (SELECT T1.id FROM takes AS T1 JOIN course AS T2 ON T1.course_id = T2.course_id WHERE T2.dept_name = 'Biology')
|
What are the names of students who haven't taken any Biology courses?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT count(DISTINCT T2.id) , count(DISTINCT T3.id) , T3.dept_name FROM department AS T1 JOIN student AS T2 ON T1.dept_name = T2.dept_name JOIN instructor AS T3 ON T1.dept_name = T3.dept_name GROUP BY T3.dept_name
|
Find the total number of students and total number of instructors for each department.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT count(DISTINCT T2.id) , count(DISTINCT T3.id) , T3.dept_name FROM department AS T1 JOIN student AS T2 ON T1.dept_name = T2.dept_name JOIN instructor AS T3 ON T1.dept_name = T3.dept_name GROUP BY T3.dept_name
|
How many students and instructors are in each department?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT T1.name FROM student AS T1 JOIN takes AS T2 ON T1.id = T2.id WHERE T2.course_id IN (SELECT T4.prereq_id FROM course AS T3 JOIN prereq AS T4 ON T3.course_id = T4.course_id WHERE T3.title = 'International Finance')
|
Find the name of students who have taken the prerequisite course of the course with title International Finance.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT T1.name FROM student AS T1 JOIN takes AS T2 ON T1.id = T2.id WHERE T2.course_id IN (SELECT T4.prereq_id FROM course AS T3 JOIN prereq AS T4 ON T3.course_id = T4.course_id WHERE T3.title = 'International Finance')
|
What are the names of students who have taken the prerequisite for the course International Finance?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name , salary FROM instructor WHERE salary < (SELECT avg(salary) FROM instructor WHERE dept_name = 'Physics')
|
Find the name and salary of instructors whose salary is below the average salary of the instructors in the Physics department.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name , salary FROM instructor WHERE salary < (SELECT avg(salary) FROM instructor WHERE dept_name = 'Physics')
|
What are the names and salaries for instructors who earn less than the average salary of instructors in the Physics department?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT T3.name FROM course AS T1 JOIN takes AS T2 ON T1.course_id = T2.course_id JOIN student AS T3 ON T2.id = T3.id WHERE T1.dept_name = 'Statistics'
|
Find the name of students who took some course offered by Statistics department.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT T3.name FROM course AS T1 JOIN takes AS T2 ON T1.course_id = T2.course_id JOIN student AS T3 ON T2.id = T3.id WHERE T1.dept_name = 'Statistics'
|
What are the names of students who have taken Statistics courses?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT T2.building , T2.room_number , T2.semester , T2.year FROM course AS T1 JOIN SECTION AS T2 ON T1.course_id = T2.course_id WHERE T1.dept_name = 'Psychology' ORDER BY T1.title
|
Find the building, room number, semester and year of all courses offered by Psychology department sorted by course titles.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT T2.building , T2.room_number , T2.semester , T2.year FROM course AS T1 JOIN SECTION AS T2 ON T1.course_id = T2.course_id WHERE T1.dept_name = 'Psychology' ORDER BY T1.title
|
What are the building, room number, semester and year of courses in the Psychology department, sorted using course title?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name FROM instructor WHERE dept_name = 'Comp. Sci.'
|
Find the names of all instructors in computer science department
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name FROM instructor WHERE dept_name = 'Comp. Sci.'
|
What are the names of all instructors in the Comp. Sci. department?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name FROM instructor WHERE dept_name = 'Comp. Sci.' AND salary > 80000
|
Find the names of all instructors in Comp. Sci. department with salary > 80000.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name FROM instructor WHERE dept_name = 'Comp. Sci.' AND salary > 80000
|
What are the names of the instructors in the Comp. Sci. department who earn more than 80000?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name , course_id FROM instructor AS T1 JOIN teaches AS T2 ON T1.ID = T2.ID
|
Find the names of all instructors who have taught some course and the course_id.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name , course_id FROM instructor AS T1 JOIN teaches AS T2 ON T1.ID = T2.ID
|
What are the names of all instructors who have taught a course, as well as the corresponding course id?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name , course_id FROM instructor AS T1 JOIN teaches AS T2 ON T1.ID = T2.ID WHERE T1.dept_name = 'Art'
|
Find the names of all instructors in the Art department who have taught some course and the course_id.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name , course_id FROM instructor AS T1 JOIN teaches AS T2 ON T1.ID = T2.ID WHERE T1.dept_name = 'Art'
|
What are the names of Art instructors who have taught a course, and the corresponding course id?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name FROM instructor WHERE name LIKE '%dar%'
|
Find the names of all instructors whose name includes the substring “dar”.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name FROM instructor WHERE name LIKE '%dar%'
|
What are the names of all instructors with names that include "dar"?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT DISTINCT name FROM instructor ORDER BY name
|
List in alphabetic order the names of all distinct instructors.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT DISTINCT name FROM instructor ORDER BY name
|
List the distinct names of the instructors, ordered by name.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT course_id FROM SECTION WHERE semester = 'Fall' AND YEAR = 2009 UNION SELECT course_id FROM SECTION WHERE semester = 'Spring' AND YEAR = 2010
|
Find courses that ran in Fall 2009 or in Spring 2010.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT course_id FROM SECTION WHERE semester = 'Fall' AND YEAR = 2009 UNION SELECT course_id FROM SECTION WHERE semester = 'Spring' AND YEAR = 2010
|
What are the ids for courses in the Fall of 2009 or the Spring of 2010?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT course_id FROM SECTION WHERE semester = 'Fall' AND YEAR = 2009 INTERSECT SELECT course_id FROM SECTION WHERE semester = 'Spring' AND YEAR = 2010
|
Find courses that ran in Fall 2009 and in Spring 2010.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT course_id FROM SECTION WHERE semester = 'Fall' AND YEAR = 2009 INTERSECT SELECT course_id FROM SECTION WHERE semester = 'Spring' AND YEAR = 2010
|
What are the ids for courses that were offered in both Fall of 2009 and Spring of 2010?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT course_id FROM SECTION WHERE semester = 'Fall' AND YEAR = 2009 EXCEPT SELECT course_id FROM SECTION WHERE semester = 'Spring' AND YEAR = 2010
|
Find courses that ran in Fall 2009 but not in Spring 2010.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT course_id FROM SECTION WHERE semester = 'Fall' AND YEAR = 2009 EXCEPT SELECT course_id FROM SECTION WHERE semester = 'Spring' AND YEAR = 2010
|
What are the ids of courses offered in Fall of 2009 but not in Spring of 2010?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT DISTINCT salary FROM instructor WHERE salary < (SELECT max(salary) FROM instructor)
|
Find the salaries of all distinct instructors that are less than the largest salary.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT DISTINCT salary FROM instructor WHERE salary < (SELECT max(salary) FROM instructor)
|
What are the distinct salaries of all instructors who earned less than the maximum salary?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT COUNT (DISTINCT ID) FROM teaches WHERE semester = 'Spring' AND YEAR = 2010
|
Find the total number of instructors who teach a course in the Spring 2010 semester.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT COUNT (DISTINCT ID) FROM teaches WHERE semester = 'Spring' AND YEAR = 2010
|
How many instructors teach a course in the Spring of 2010?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT dept_name , AVG (salary) FROM instructor GROUP BY dept_name HAVING AVG (salary) > 42000
|
Find the names and average salaries of all departments whose average salary is greater than 42000.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT dept_name , AVG (salary) FROM instructor GROUP BY dept_name HAVING AVG (salary) > 42000
|
What are the names and average salaries for departments with average salary higher than 42000?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name FROM instructor WHERE salary > (SELECT min(salary) FROM instructor WHERE dept_name = 'Biology')
|
Find names of instructors with salary greater than that of some (at least one) instructor in the Biology department.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name FROM instructor WHERE salary > (SELECT min(salary) FROM instructor WHERE dept_name = 'Biology')
|
What are the names of instructors who earn more than at least one instructor from the Biology department?
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name FROM instructor WHERE salary > (SELECT max(salary) FROM instructor WHERE dept_name = 'Biology')
|
Find the names of all instructors whose salary is greater than the salary of all instructors in the Biology department.
|
college_2
|
CREATE TABLE classroom
(building varchar(15),
room_number varchar(7),
capacity numeric(4,0),
primary key (building, room_number)
)
CREATE TABLE department
(dept_name varchar(20),
building varchar(15),
budget numeric(12,2) check (budget > 0),
primary key (dept_name)
)
CREATE TABLE course
(course_id varchar(8),
title varchar(50),
dept_name varchar(20) NULL,
credits numeric(2,0) check (credits > 0),
primary key (course_id),
FOREIGN KEY (dept_name)
REFERENCES `department` (dept_name)
ON DELETE SET NULL
-- ON UPDATE NO ACTION
-- foreign key (dept_name) references department
-- on delete set null
)
CREATE TABLE instructor
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
salary numeric(8,2) check (salary > 29000),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE section
(course_id varchar(8),
sec_id varchar(8),
semester varchar(6)
check (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
year numeric(4,0) check (year > 1701 and year < 2100),
building varchar(15),
room_number varchar(7),
time_slot_id varchar(4),
primary key (course_id, sec_id, semester, year),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (building, room_number) references classroom (building, room_number)
on delete set null
)
CREATE TABLE teaches
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references instructor (ID)
on delete cascade
)
CREATE TABLE student
(ID varchar(5),
name varchar(20) not null,
dept_name varchar(20),
tot_cred numeric(3,0) check (tot_cred >= 0),
primary key (ID),
foreign key (dept_name) references department (dept_name)
on delete set null
)
CREATE TABLE takes
(ID varchar(5),
course_id varchar(8),
sec_id varchar(8),
semester varchar(6),
year numeric(4,0),
grade varchar(2),
primary key (ID, course_id, sec_id, semester, year),
foreign key (course_id,sec_id, semester, year) references section (course_id, sec_id, semester, year)
on delete cascade,
foreign key (ID) references student (ID)
on delete cascade
)
CREATE TABLE advisor
(s_ID varchar(5),
i_ID varchar(5),
primary key (s_ID),
foreign key (i_ID) references instructor (ID)
on delete set null,
foreign key (s_ID) references student (ID)
on delete cascade
)
CREATE TABLE time_slot
(time_slot_id varchar(4),
day varchar(1),
start_hr numeric(2) check (start_hr >= 0 and start_hr < 24),
start_min numeric(2) check (start_min >= 0 and start_min < 60),
end_hr numeric(2) check (end_hr >= 0 and end_hr < 24),
end_min numeric(2) check (end_min >= 0 and end_min < 60),
primary key (time_slot_id, day, start_hr, start_min)
)
CREATE TABLE prereq
(course_id varchar(8),
prereq_id varchar(8),
primary key (course_id, prereq_id),
foreign key (course_id) references course (course_id)
on delete cascade,
foreign key (prereq_id) references course (course_id)
)
|
SELECT name FROM instructor WHERE salary > (SELECT max(salary) FROM instructor WHERE dept_name = 'Biology')
|
What are the names of all instructors with a higher salary than any of the instructors in the Biology department?
|
college_2
|
CREATE TABLE "people" (
"People_ID" int,
"District" text,
"Name" text,
"Party" text,
"Age" int,
PRIMARY KEY ("People_ID")
)
CREATE TABLE "debate" (
"Debate_ID" int,
"Date" text,
"Venue" text,
"Num_of_Audience" int,
PRIMARY KEY ("Debate_ID")
)
CREATE TABLE "debate_people" (
"Debate_ID" int,
"Affirmative" int,
"Negative" int,
"If_Affirmative_Win" bool,
PRIMARY KEY ("Debate_ID","Affirmative","Negative"),
FOREIGN KEY ("Debate_ID") REFERENCES `debate`("Debate_ID"),
FOREIGN KEY ("Affirmative") REFERENCES `people`("People_ID"),
FOREIGN KEY ("Negative") REFERENCES `people`("People_ID")
)
|
SELECT count(*) FROM debate
|
How many debates are there?
|
debate
|
CREATE TABLE "people" (
"People_ID" int,
"District" text,
"Name" text,
"Party" text,
"Age" int,
PRIMARY KEY ("People_ID")
)
CREATE TABLE "debate" (
"Debate_ID" int,
"Date" text,
"Venue" text,
"Num_of_Audience" int,
PRIMARY KEY ("Debate_ID")
)
CREATE TABLE "debate_people" (
"Debate_ID" int,
"Affirmative" int,
"Negative" int,
"If_Affirmative_Win" bool,
PRIMARY KEY ("Debate_ID","Affirmative","Negative"),
FOREIGN KEY ("Debate_ID") REFERENCES `debate`("Debate_ID"),
FOREIGN KEY ("Affirmative") REFERENCES `people`("People_ID"),
FOREIGN KEY ("Negative") REFERENCES `people`("People_ID")
)
|
SELECT Venue FROM debate ORDER BY Num_of_Audience ASC
|
List the venues of debates in ascending order of the number of audience.
|
debate
|
CREATE TABLE "people" (
"People_ID" int,
"District" text,
"Name" text,
"Party" text,
"Age" int,
PRIMARY KEY ("People_ID")
)
CREATE TABLE "debate" (
"Debate_ID" int,
"Date" text,
"Venue" text,
"Num_of_Audience" int,
PRIMARY KEY ("Debate_ID")
)
CREATE TABLE "debate_people" (
"Debate_ID" int,
"Affirmative" int,
"Negative" int,
"If_Affirmative_Win" bool,
PRIMARY KEY ("Debate_ID","Affirmative","Negative"),
FOREIGN KEY ("Debate_ID") REFERENCES `debate`("Debate_ID"),
FOREIGN KEY ("Affirmative") REFERENCES `people`("People_ID"),
FOREIGN KEY ("Negative") REFERENCES `people`("People_ID")
)
|
SELECT Date , Venue FROM debate
|
What are the date and venue of each debate?
|
debate
|
CREATE TABLE "people" (
"People_ID" int,
"District" text,
"Name" text,
"Party" text,
"Age" int,
PRIMARY KEY ("People_ID")
)
CREATE TABLE "debate" (
"Debate_ID" int,
"Date" text,
"Venue" text,
"Num_of_Audience" int,
PRIMARY KEY ("Debate_ID")
)
CREATE TABLE "debate_people" (
"Debate_ID" int,
"Affirmative" int,
"Negative" int,
"If_Affirmative_Win" bool,
PRIMARY KEY ("Debate_ID","Affirmative","Negative"),
FOREIGN KEY ("Debate_ID") REFERENCES `debate`("Debate_ID"),
FOREIGN KEY ("Affirmative") REFERENCES `people`("People_ID"),
FOREIGN KEY ("Negative") REFERENCES `people`("People_ID")
)
|
SELECT Date FROM debate WHERE Num_of_Audience > 150
|
List the dates of debates with number of audience bigger than 150
|
debate
|
CREATE TABLE "people" (
"People_ID" int,
"District" text,
"Name" text,
"Party" text,
"Age" int,
PRIMARY KEY ("People_ID")
)
CREATE TABLE "debate" (
"Debate_ID" int,
"Date" text,
"Venue" text,
"Num_of_Audience" int,
PRIMARY KEY ("Debate_ID")
)
CREATE TABLE "debate_people" (
"Debate_ID" int,
"Affirmative" int,
"Negative" int,
"If_Affirmative_Win" bool,
PRIMARY KEY ("Debate_ID","Affirmative","Negative"),
FOREIGN KEY ("Debate_ID") REFERENCES `debate`("Debate_ID"),
FOREIGN KEY ("Affirmative") REFERENCES `people`("People_ID"),
FOREIGN KEY ("Negative") REFERENCES `people`("People_ID")
)
|
SELECT Name FROM people WHERE Age = 35 OR Age = 36
|
Show the names of people aged either 35 or 36.
|
debate
|
CREATE TABLE "people" (
"People_ID" int,
"District" text,
"Name" text,
"Party" text,
"Age" int,
PRIMARY KEY ("People_ID")
)
CREATE TABLE "debate" (
"Debate_ID" int,
"Date" text,
"Venue" text,
"Num_of_Audience" int,
PRIMARY KEY ("Debate_ID")
)
CREATE TABLE "debate_people" (
"Debate_ID" int,
"Affirmative" int,
"Negative" int,
"If_Affirmative_Win" bool,
PRIMARY KEY ("Debate_ID","Affirmative","Negative"),
FOREIGN KEY ("Debate_ID") REFERENCES `debate`("Debate_ID"),
FOREIGN KEY ("Affirmative") REFERENCES `people`("People_ID"),
FOREIGN KEY ("Negative") REFERENCES `people`("People_ID")
)
|
SELECT Party FROM people ORDER BY Age ASC LIMIT 1
|
What is the party of the youngest people?
|
debate
|
CREATE TABLE "people" (
"People_ID" int,
"District" text,
"Name" text,
"Party" text,
"Age" int,
PRIMARY KEY ("People_ID")
)
CREATE TABLE "debate" (
"Debate_ID" int,
"Date" text,
"Venue" text,
"Num_of_Audience" int,
PRIMARY KEY ("Debate_ID")
)
CREATE TABLE "debate_people" (
"Debate_ID" int,
"Affirmative" int,
"Negative" int,
"If_Affirmative_Win" bool,
PRIMARY KEY ("Debate_ID","Affirmative","Negative"),
FOREIGN KEY ("Debate_ID") REFERENCES `debate`("Debate_ID"),
FOREIGN KEY ("Affirmative") REFERENCES `people`("People_ID"),
FOREIGN KEY ("Negative") REFERENCES `people`("People_ID")
)
|
SELECT Party , COUNT(*) FROM people GROUP BY Party
|
Show different parties of people along with the number of people in each party.
|
debate
|
CREATE TABLE "people" (
"People_ID" int,
"District" text,
"Name" text,
"Party" text,
"Age" int,
PRIMARY KEY ("People_ID")
)
CREATE TABLE "debate" (
"Debate_ID" int,
"Date" text,
"Venue" text,
"Num_of_Audience" int,
PRIMARY KEY ("Debate_ID")
)
CREATE TABLE "debate_people" (
"Debate_ID" int,
"Affirmative" int,
"Negative" int,
"If_Affirmative_Win" bool,
PRIMARY KEY ("Debate_ID","Affirmative","Negative"),
FOREIGN KEY ("Debate_ID") REFERENCES `debate`("Debate_ID"),
FOREIGN KEY ("Affirmative") REFERENCES `people`("People_ID"),
FOREIGN KEY ("Negative") REFERENCES `people`("People_ID")
)
|
SELECT Party FROM people GROUP BY Party ORDER BY COUNT(*) DESC LIMIT 1
|
Show the party that has the most people.
|
debate
|
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