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Identify the number of rural hospitals that have increased their bed count by at least 10% in the past year. | CREATE TABLE hospitals (id INT,beds INT,location VARCHAR(20),year INT,increase BOOLEAN); INSERT INTO hospitals (id,beds,location,year,increase) VALUES (1,50,'rural',2021,true),(2,200,'urban',2021,false),(3,75,'rural',2020,false); | SELECT COUNT(*) FROM hospitals WHERE location LIKE '%rural%' AND increase = true AND year = YEAR(GETDATE()) - 1 AND beds * 1.1 <= (SELECT beds FROM hospitals WHERE location = 'rural' AND year = YEAR(GETDATE()) - 2); |
Show the number of green bond issuances for each country and the total value of green bonds issued for each country. | CREATE TABLE green_bonds (id INT,issuer_country VARCHAR(255),issue_year INT,value FLOAT); INSERT INTO green_bonds (id,issuer_country,issue_year,value) VALUES (1,'USA',2017,3000000),(2,'China',2018,4000000),(3,'Germany',2017,2000000),(4,'USA',2018,5000000),(5,'India',2019,1000000),(6,'Brazil',2019,2000000),(7,'Canada',2018,1500000); | SELECT issuer_country, COUNT(*) as num_issuances, SUM(value) as total_value FROM green_bonds GROUP BY issuer_country; |
What is the average budget allocated to cybersecurity operations in Asia? | CREATE TABLE cybersecurity_budget (id INT,year INT,amount INT,country TEXT); INSERT INTO cybersecurity_budget (id,year,amount,country) VALUES (1,2020,5000000,'China'),(2,2020,6000000,'Japan'),(3,2019,4000000,'India'); | SELECT AVG(amount) FROM cybersecurity_budget WHERE country IN ('China', 'Japan', 'India') AND year = 2020; |
Find the number of unique artists per concert. | CREATE TABLE ArtistConcert (ConcertID INT,Artist VARCHAR(50)); INSERT INTO ArtistConcert (ConcertID,Artist) VALUES (1,'Taylor Swift'); INSERT INTO ArtistConcert (ConcertID,Artist) VALUES (1,'Ed Sheeran'); INSERT INTO ArtistConcert (ConcertID,Artist) VALUES (2,'BTS'); | SELECT ConcertID, COUNT(DISTINCT Artist) AS ArtistCount FROM ArtistConcert GROUP BY ConcertID; |
What was the total number of volunteers who engaged in environmental programs in 2022? | CREATE TABLE EnvironmentalPrograms (Volunteer VARCHAR(50),Program VARCHAR(50),VolunteerDate DATE); INSERT INTO EnvironmentalPrograms (Volunteer,Program,VolunteerDate) VALUES ('Jamal Williams','Tree Planting','2022-03-12'),('Priya Patel','Beach Cleanup','2022-08-01'); | SELECT Program, COUNT(DISTINCT Volunteer) as TotalVolunteers FROM EnvironmentalPrograms WHERE VolunteerDate BETWEEN '2022-01-01' AND '2022-12-31' AND Program LIKE '%Environment%' GROUP BY Program; |
What is the average salary of employees who have completed training on unconscious bias? | CREATE TABLE Employees (EmployeeID INT,Gender VARCHAR(10),Department VARCHAR(20),Salary FLOAT,Training VARCHAR(50)); INSERT INTO Employees (EmployeeID,Gender,Department,Salary,Training) VALUES (1,'Male','IT',75000,'Unconscious Bias'),(2,'Female','IT',70000,'Diversity and Inclusion'),(3,'Male','HR',60000,'Unconscious Bias'),(4,'Female','HR',65000,'Unconscious Bias'); | SELECT AVG(Salary) FROM Employees WHERE Training = 'Unconscious Bias'; |
What is the total training cost for the first half of 2022? | CREATE TABLE Trainings (TrainingID int,TrainingDate date,Cost decimal(10,2)); INSERT INTO Trainings (TrainingID,TrainingDate,Cost) VALUES (1,'2022-01-15',500.00),(2,'2022-04-01',1000.00),(3,'2022-07-01',300.00); | SELECT SUM(Cost) FROM Trainings WHERE TrainingDate BETWEEN '2022-01-01' AND '2022-06-30'; |
Which diversity programs are currently being participated in by employees in the HR department? | CREATE TABLE Employees (Employee_ID INT,First_Name VARCHAR(20),Last_Name VARCHAR(20),Department VARCHAR(20),Salary DECIMAL(10,2),Date_Hired DATE); CREATE TABLE Diversity_Programs (Program_ID INT,Program_Name VARCHAR(50),Participant_ID INT,Date_Started DATE,Date_Ended DATE); | SELECT dp.Program_Name FROM Diversity_Programs dp JOIN Employees e ON dp.Participant_ID = e.Employee_ID WHERE e.Department = 'HR' AND dp.Date_Ended IS NULL; |
What is the average budget allocated for ethical AI research by country? | CREATE TABLE Country (CountryID INT PRIMARY KEY,CountryName VARCHAR(100),Budget DECIMAL(10,2)); INSERT INTO Country (CountryID,CountryName,Budget) VALUES (1,'USA',5000000.00),(2,'Canada',3000000.00),(3,'Mexico',1000000.00); | SELECT AVG(Budget) as AvgBudget, CountryName FROM Country GROUP BY CountryName; |
Delete the record for the 'bus' service on January 3, 2022 from the 'revenue' table. | CREATE TABLE revenue (service text,date date,amount int); INSERT INTO revenue (service,date,amount) VALUES ('subway','2022-01-01',5000),('bus','2022-01-02',6000),('subway','2022-01-03',7000); | DELETE FROM revenue WHERE service = 'bus' AND date = '2022-01-03'; |
What is the earliest and latest time a 'train' departs from a station on the 'NQRW' line? | CREATE TABLE station (id INT,name TEXT,line TEXT); INSERT INTO station (id,name,line) VALUES (1,'Times Square','NQRW'),(2,'34th Street','BDFM'); CREATE TABLE train_schedule (id INT,station_id INT,train_type TEXT,departure_time TIME); INSERT INTO train_schedule (id,station_id,train_type,departure_time) VALUES (1,1,'N','06:00:00'),(2,1,'Q','06:02:00'),(3,1,'R','06:04:00'),(4,1,'W','06:06:00'),(5,2,'N','06:01:00'),(6,2,'Q','06:03:00'),(7,2,'R','06:05:00'),(8,2,'W','06:07:00'); | SELECT MIN(departure_time) as earliest_departure, MAX(departure_time) as latest_departure FROM train_schedule WHERE station_id = 1 AND train_type = 'N' OR station_id = 2 AND train_type = 'N'; |
What is the fare for 'adult' passengers in the 'blue' line? | CREATE TABLE fares (line VARCHAR(10),passenger_type VARCHAR(10),fare FLOAT); INSERT INTO fares (line,passenger_type,fare) VALUES ('red','adult',2.50),('red','child',1.50),('blue','adult',3.00),('blue','child',2.00),('green','adult',3.50),('green','child',2.50); | SELECT fare FROM fares WHERE line = 'blue' AND passenger_type = 'adult'; |
What is the maximum fare for a bus in the 'south' region? | CREATE TABLE Buses (id INT,region VARCHAR(10)); INSERT INTO Buses (id,region) VALUES (1,'west'),(2,'east'),(3,'south'); CREATE TABLE Fares (id INT,bus_id INT,fare DECIMAL(5,2)); INSERT INTO Fares (id,bus_id,fare) VALUES (1,1,5.00),(2,1,5.00),(3,2,4.50),(4,3,6.00); | SELECT MAX(Fares.fare) FROM Fares INNER JOIN Buses ON Fares.bus_id = Buses.id WHERE Buses.region = 'south'; |
What is the total distance traveled for all buses in the London transit system in the past week? | CREATE TABLE london_buses (bus_id INT,daily_distance FLOAT,date DATE); | SELECT SUM(daily_distance) FROM london_buses WHERE date >= DATE_SUB(NOW(), INTERVAL 1 WEEK); |
List the top 3 most popular garment sizes, based on quantity sold, for each gender, from the 'sales_data' view. | CREATE VIEW sales_data AS SELECT o.order_id,c.customer_gender,g.garment_size,g.garment_type,g.price,g.quantity FROM orders o JOIN customers c ON o.customer_id = c.customer_id JOIN order_items oi ON o.order_id = oi.order_id JOIN garments g ON oi.garment_id = g.garment_id; | SELECT customer_gender, garment_size, SUM(quantity) AS total_quantity FROM sales_data GROUP BY customer_gender, garment_size HAVING total_quantity IN (SELECT MAX(total_quantity) FROM (SELECT customer_gender, garment_size, SUM(quantity) AS total_quantity FROM sales_data GROUP BY customer_gender, garment_size) sub WHERE sub.customer_gender = sales_data.customer_gender) LIMIT 3; |
What is the average account balance for clients in the Islamic Banking segment? | CREATE TABLE islamic_banking_clients (client_id INT,segment VARCHAR(20),account_balance DECIMAL(10,2)); INSERT INTO islamic_banking_clients (client_id,segment,account_balance) VALUES (1,'Islamic Banking',15000.00),(2,'Conventional Banking',20000.00),(3,'Islamic Banking',12000.00); | SELECT AVG(account_balance) FROM islamic_banking_clients WHERE segment = 'Islamic Banking'; |
Find the top 3 countries with the highest total donation amount. | CREATE TABLE donor_data (id INT,donor_country VARCHAR,total_donation_amount DECIMAL); | SELECT donor_country, SUM(total_donation_amount) as total_donation_amount FROM donor_data GROUP BY donor_country ORDER BY total_donation_amount DESC LIMIT 3; |
What is the maximum weight of packages shipped from the Mexico City warehouse to each destination province? | CREATE TABLE Packages (id INT,warehouse_id INT,destination_province TEXT,weight FLOAT); INSERT INTO Packages (id,warehouse_id,destination_province,weight) VALUES (13,19,'BC',92.5),(14,19,'ON',110.2),(15,19,'QC',76.8); CREATE TABLE Warehouses (id INT,name TEXT,city TEXT,state TEXT); INSERT INTO Warehouses (id,name,city,state) VALUES (19,'Mexico City Warehouse','Mexico City','MX'); | SELECT destination_province, MAX(weight) FROM Packages JOIN Warehouses ON Packages.warehouse_id = Warehouses.id WHERE Warehouses.name = 'Mexico City Warehouse' GROUP BY destination_province; |
What is the maximum budget for a genetic research project in the 'GeneticResearch' schema? | CREATE SCHEMA GeneticResearch; CREATE TABLE project_budgets (project_name VARCHAR(50),budget DECIMAL(10,2)); INSERT INTO project_budgets VALUES ('Project1',600000),('Project2',900000); | SELECT MAX(budget) FROM GeneticResearch.project_budgets; |
What is the average income of residents in each city in the state of California, grouped by city and ordered by average income in descending order? | CREATE TABLE cities (id INT PRIMARY KEY,name TEXT,state TEXT); INSERT INTO cities (id,name,state) VALUES (1,'Los Angeles','California'),(2,'San Diego','California'),(3,'San Jose','California'); CREATE TABLE incomes (id INT PRIMARY KEY,city_id INT,income INT); INSERT INTO incomes (id,city_id,income) VALUES (1,1,50000),(2,1,70000),(3,2,45000),(4,2,60000),(5,3,48000),(6,3,52000); | SELECT c.name, AVG(i.income) FROM cities c JOIN incomes i ON c.id = i.city_id WHERE c.state = 'California' GROUP BY c.name ORDER BY AVG(i.income) DESC; |
What is the count of initiatives for each department that have a budget greater than the average budget for all initiatives in the "initiatives" table? | CREATE TABLE department (id INT,name TEXT);CREATE TABLE initiatives (id INT,department_id INT,budget INT); | SELECT department.name, COUNT(initiatives.id) FROM department JOIN initiatives ON department.id = initiatives.department_id WHERE initiatives.budget > (SELECT AVG(budget) FROM initiatives) GROUP BY department.name; |
Delete faculty members who have been with the university for less than 5 years. | CREATE TABLE faculty (id INT PRIMARY KEY,name VARCHAR(50),department VARCHAR(50),years_of_service INT); | DELETE FROM faculty WHERE years_of_service < 5; |
Determine the average engagement time for virtual tours in each city. | CREATE TABLE virtual_tours (tour_id INT,city TEXT,engagement_time FLOAT); INSERT INTO virtual_tours (tour_id,city,engagement_time) VALUES (1,'Tokyo',15.5),(2,'Tokyo',12.3),(3,'Osaka',18.1); | SELECT city, AVG(engagement_time) FROM virtual_tours GROUP BY city; |
What is the virtual tour engagement rate for the top 2 countries with the highest engagement rates, ordered by engagement rate in descending order? | CREATE TABLE virtual_tours (tour_id INT,hotel_name TEXT,country TEXT,engagement_rate FLOAT); INSERT INTO virtual_tours (tour_id,hotel_name,country,engagement_rate) VALUES (1,'Hotel A','USA',0.06),(2,'Hotel B','Canada',0.08),(3,'Hotel C','Mexico',0.05),(4,'Hotel D','USA',0.07); | SELECT country, engagement_rate FROM (SELECT country, engagement_rate, RANK() OVER (ORDER BY engagement_rate DESC) as rank FROM virtual_tours) as subquery WHERE rank <= 2 ORDER BY engagement_rate DESC; |
Delete all records from the 'species' table where the 'region' column is 'Antarctica' | CREATE TABLE species (id INT PRIMARY KEY,species_name VARCHAR(255),region VARCHAR(255)); INSERT INTO species (id,species_name,region) VALUES (1,'penguin','Antarctica'),(2,'seal','Arctic'); | DELETE FROM species WHERE region = 'Antarctica'; |
List the species in the 'arctic_biodiversity' table and their conservation status from the 'iucn_greenlist' table, if available. | CREATE TABLE arctic_biodiversity (species_id INT,species_name VARCHAR(255),population INT,region VARCHAR(255)); CREATE TABLE iucn_greenlist (species_id INT,conservation_status VARCHAR(255)); | SELECT a.species_name, g.conservation_status FROM arctic_biodiversity a LEFT JOIN iucn_greenlist g ON a.species_id = g.species_id; |
What is the average population of cities with a UNESCO World Heritage designation, ordered by designation date? | CREATE TABLE cities (name VARCHAR(255),population INT,designation_date DATE); INSERT INTO cities (name,population,designation_date) VALUES ('Paris',2141000,'1991-09-16'); INSERT INTO cities (name,population,designation_date) VALUES ('Rio de Janeiro',6727000,'2012-07-01'); | SELECT AVG(population) FROM (SELECT population, ROW_NUMBER() OVER (ORDER BY designation_date) rn FROM cities WHERE name IN (SELECT name FROM heritagesites)) t WHERE rn % 2 = 1; |
What is the average age of patients who received psychodynamic therapy? | CREATE TABLE patients (patient_id INT,age INT,treatment VARCHAR(20)); INSERT INTO patients (patient_id,age,treatment) VALUES (1,32,'psychodynamic therapy'),(2,45,'psychodynamic therapy'),(3,50,'CBT'); | SELECT AVG(age) FROM patients WHERE treatment = 'psychodynamic therapy'; |
What are the names and budgets of all public works projects in California, along with the name of the engineer in charge, sorted by budget in descending order? | CREATE TABLE public_works_projects (project_id INT,name VARCHAR(50),budget DECIMAL(10,2),state VARCHAR(2)); CREATE TABLE project_engineers (engineer_id INT,project_id INT,name VARCHAR(50)); | SELECT pwp.name, pwp.budget, pe.name AS engineer_name FROM public_works_projects pwp INNER JOIN project_engineers pe ON pwp.project_id = pe.project_id WHERE pwp.state = 'CA' ORDER BY pwp.budget DESC; |
Update the number of tourists who visited Egypt in 2022 due to the increase in travel after the pandemic. | CREATE TABLE tourism_stats (country VARCHAR(255),year INT,visitors INT,continent VARCHAR(255)); INSERT INTO tourism_stats (country,year,visitors,continent) VALUES ('Egypt',2022,3000000,'Africa'); | UPDATE tourism_stats SET visitors = 4000000 WHERE country = 'Egypt' AND year = 2022; |
How many access to justice cases were resolved through mediation in New York in 2020? | CREATE TABLE cases (case_id INT,resolution_type VARCHAR(20),resolution_date DATE,city VARCHAR(20)); INSERT INTO cases (case_id,resolution_type,resolution_date,city) VALUES (1,'Mediation','2020-01-01','New York'); INSERT INTO cases (case_id,resolution_type,resolution_date,city) VALUES (2,'Litigation','2019-01-01','Los Angeles'); | SELECT COUNT(*) FROM cases WHERE resolution_type = 'Mediation' AND resolution_date BETWEEN '2020-01-01' AND '2020-12-31' AND city = 'New York'; |
How many legal aid clinics are there in each state in the justice_schemas.legal_aid_clinics table, including the District of Columbia? | CREATE TABLE justice_schemas.legal_aid_clinics (id INT PRIMARY KEY,clinic_name TEXT,state TEXT); | SELECT state, COUNT(*) FROM justice_schemas.legal_aid_clinics GROUP BY state; |
How many legal aid clinics are there in the state of New York, and how many clients have they served in the past year? | CREATE TABLE legal_aid_clinics (clinic_id INT,state VARCHAR(255),clients_served INT); INSERT INTO legal_aid_clinics (clinic_id,state,clients_served) VALUES (1,'New York',500); INSERT INTO legal_aid_clinics (clinic_id,state,clients_served) VALUES (2,'California',700); | SELECT state, COUNT(clinic_id) as num_clinics, SUM(clients_served) as total_clients_served FROM legal_aid_clinics WHERE state = 'New York' AND YEAR(date_served) = YEAR(CURRENT_DATE()) - 1 GROUP BY state; |
Which marine species were observed in the Southern Ocean in the last 30 days? | CREATE TABLE marine_species_observations (species_name TEXT,observation_date DATE,location TEXT); INSERT INTO marine_species_observations VALUES ('Krill','2023-02-10','Southern Ocean'),('Blue Whale','2023-01-25','Southern Ocean'),('Krill','2023-03-01','Southern Ocean'); | SELECT species_name FROM marine_species_observations WHERE observation_date >= DATEADD(day, -30, CURRENT_DATE) AND location = 'Southern Ocean' GROUP BY species_name; |
What is the average weight of locally sourced fruits in the dessert menu? | CREATE TABLE DessertIngredients (ingredient VARCHAR(50),source VARCHAR(20),weight DECIMAL(5,2)); INSERT INTO DessertIngredients (ingredient,source,weight) VALUES ('Strawberries','Local',2.00),('Blueberries','Local',1.50),('Bananas','Local',3.00); | SELECT AVG(weight) FROM DessertIngredients WHERE source = 'Local'; |
What is the minimum production volume in 'Asia' for the year 2017?' | CREATE TABLE mines (id INT,name TEXT,location TEXT,production_volume INT,product TEXT,year INT); INSERT INTO mines (id,name,location,production_volume,product,year) VALUES (1,'Emerald Explorer Mine','Asia',1000,'Emerald',2017); INSERT INTO mines (id,name,location,production_volume,product,year) VALUES (2,'Sapphire Summit Mine','Asia',1500,'Sapphire',2017); | SELECT MIN(production_volume) FROM mines WHERE location = 'Asia' AND year = 2017; |
Delete the environmental impact stats for the 'Turquoise Trail' mine in Inner Mongolia, China from the "environmental_impact" table | CREATE TABLE environmental_impact (mine_id INT,year INT,co2_emissions INT,water_consumption INT,waste_generation INT); | DELETE FROM environmental_impact WHERE mine_id = 10 AND year = 2020; |
What is the number of accidents in mining operations in India and Argentina, and the total number of employees in those operations? | CREATE TABLE mining_operations (id INT,country VARCHAR(20),operation_name VARCHAR(30),accidents INT,total_employees INT); INSERT INTO mining_operations (id,country,operation_name,accidents,total_employees) VALUES (1,'India','Operation P',5,150); INSERT INTO mining_operations (id,country,operation_name,accidents,total_employees) VALUES (2,'India','Operation Q',3,200); INSERT INTO mining_operations (id,country,operation_name,accidents,total_employees) VALUES (3,'Argentina','Operation R',4,120); | SELECT country, SUM(accidents) AS total_accidents, SUM(total_employees) AS total_employees FROM mining_operations WHERE country IN ('India', 'Argentina') GROUP BY country; |
What is the percentage of total revenue from streaming and concert ticket sales for Pop music in 2018? | CREATE TABLE StreamingRevenue (id INT,year INT,genre VARCHAR(50),revenue FLOAT); CREATE TABLE ConcertTicketSales (id INT,year INT,genre VARCHAR(50),revenue FLOAT); | SELECT (SUM(sr.revenue) + SUM(cts.revenue)) / (SELECT SUM(revenue) FROM (SELECT revenue FROM StreamingRevenue WHERE year = 2018 UNION ALL SELECT revenue FROM ConcertTicketSales WHERE year = 2018) t) FROM StreamingRevenue sr JOIN ConcertTicketSales cts ON sr.genre = cts.genre WHERE sr.year = 2018 AND sr.genre = 'Pop'; |
Update the age for audience member with id 1 to 40 | CREATE TABLE audience (id INT,age INT,gender VARCHAR(10)); INSERT INTO audience (id,age,gender) VALUES (1,35,'Female'); | UPDATE audience SET age = 40 WHERE id = 1; |
What is the total number of articles published per day for a specific author? | CREATE TABLE articles (article_id INT,author VARCHAR(50),title VARCHAR(100),category VARCHAR(50),publication_date DATE); | SELECT publication_date, COUNT(article_id) AS articles_per_day FROM articles WHERE author = 'John Doe' GROUP BY publication_date ORDER BY publication_date; |
Find the number of unique donors who made donations in both January and February in the 'Donations' table. | CREATE TABLE Donations (DonationID INT,DonorID INT,DonationDate DATE); | SELECT COUNT(DISTINCT DonorID) AS UniqueDonors FROM Donations WHERE EXTRACT(MONTH FROM DonationDate) IN (1, 2) GROUP BY DonorID HAVING COUNT(DISTINCT EXTRACT(MONTH FROM DonationDate)) = 2; |
What are the deep-sea expeditions that overlap with marine protected areas? | CREATE TABLE Expeditions (id INT PRIMARY KEY,name VARCHAR(50),location VARCHAR(50),start_date DATE,end_date DATE); CREATE TABLE Protected_Areas (id INT PRIMARY KEY,name VARCHAR(50),location VARCHAR(50),size FLOAT,protection_level VARCHAR(50)); | SELECT Expeditions.name FROM Expeditions INNER JOIN Protected_Areas ON Expeditions.location = Protected_Areas.location WHERE Expeditions.start_date <= Protected_Areas.protection_level AND Expeditions.end_date >= Protected_Areas.protection_level; |
What is the average performance score for each game genre? | CREATE TABLE game_genre_performance (game_id INT,game_genre VARCHAR(255),performance_score INT); INSERT INTO game_genre_performance (game_id,game_genre,performance_score) VALUES (1,'RPG',85),(2,'Strategy',90),(3,'RPG',80); | SELECT game_genre, AVG(performance_score) as avg_score FROM game_genre_performance GROUP BY game_genre; |
What is the percentage of users who have reached level 10 in "Cosmic Explorers" for each continent? | CREATE TABLE PlayerProgress (PlayerID INT,GameName VARCHAR(20),Level INT,Completion BOOLEAN,PlayerContinent VARCHAR(30)); INSERT INTO PlayerProgress (PlayerID,GameName,Level,Completion,PlayerContinent) VALUES (1,'Cosmic Explorers',10,true,'North America'),(2,'Cosmic Explorers',10,true,'Europe'),(3,'Cosmic Explorers',10,false,'North America'),(4,'Cosmic Explorers',10,true,'South America'),(5,'Cosmic Explorers',10,false,'Europe'),(6,'Cosmic Explorers',10,true,'Asia'),(7,'Cosmic Explorers',10,false,'Asia'),(8,'Cosmic Explorers',10,true,'Africa'); | SELECT PlayerContinent, COUNT(*) FILTER (WHERE Completion) * 100.0 / SUM(COUNT(*)) OVER (PARTITION BY PlayerContinent) AS pct_completion FROM PlayerProgress WHERE GameName = 'Cosmic Explorers' AND Level = 10 GROUP BY PlayerContinent; |
List all the unique soil types and corresponding satellite image acquisition dates for 'Field2'? | CREATE TABLE Field2 (soil_type VARCHAR(50),image_date DATETIME); INSERT INTO Field2 (soil_type,image_date) VALUES ('Loamy','2021-07-05 14:30:00'),('Sandy','2021-07-06 09:15:00'); | SELECT DISTINCT soil_type, image_date FROM Field2; |
What percentage of renewable energy projects in 2020 were completed by companies based in India? | CREATE TABLE projects_company_location (project_id INT,completion_year INT,company_location VARCHAR(50)); INSERT INTO projects_company_location (project_id,completion_year,company_location) VALUES (1,2020,'India'),(2,2019,'Australia'),(3,2020,'US'),(4,2018,'India'),(5,2020,'Germany'),(6,2017,'Brazil'); | SELECT (COUNT(*) FILTER (WHERE company_location = 'India' AND completion_year = 2020)) * 100.0 / COUNT(*) FROM projects_company_location; |
What are the total sales for each product category in descending order? | CREATE TABLE sales(product_id INT,quarter INT,sales INT); INSERT INTO sales(product_id,quarter,sales) VALUES (1,1,100),(1,2,120),(2,1,75),(2,2,90); CREATE TABLE products(product_id INT,category TEXT); | SELECT category, SUM(sales) AS total_sales FROM sales JOIN products ON sales.product_id = products.product_id GROUP BY category ORDER BY total_sales DESC; |
What is the average price of vegan products in the USA? | CREATE TABLE vendors (vendor_id INT,vendor_name TEXT,country TEXT);CREATE TABLE products (product_id INT,product_name TEXT,price DECIMAL,vegan BOOLEAN,vendor_id INT); INSERT INTO vendors (vendor_id,vendor_name,country) VALUES (1,'VendorA','USA'),(2,'VendorB','Canada'); INSERT INTO products (product_id,product_name,price,vegan,vendor_id) VALUES (1,'ProductA',25.99,true,1),(2,'ProductB',18.49,false,1),(3,'ProductC',22.99,true,2); | SELECT AVG(price) FROM products JOIN vendors ON products.vendor_id = vendors.vendor_id WHERE vegan = true AND country = 'USA'; |
How many countries have launched a spacecraft? | CREATE TABLE Country_Spacecraft (Country VARCHAR(50),Spacecraft_Name VARCHAR(100)); INSERT INTO Country_Spacecraft (Country,Spacecraft_Name) VALUES ('USA','Crew Dragon'),('Russia','Soyuz'); | SELECT COUNT(DISTINCT Country) FROM Country_Spacecraft; |
Find the total number of medical issues reported by female astronauts | CREATE TABLE Medical_Records(astronaut_id INT,year INT,medical_issues INT); CREATE TABLE Astronauts(astronaut_id INT,astronaut_name VARCHAR(30),gender VARCHAR(6)); INSERT INTO Medical_Records(astronaut_id,year,medical_issues) VALUES (1,2016,2),(1,2017,0),(1,2018,3),(2,2016,1),(2,2017,1),(2,2018,2),(3,2016,0),(3,2017,0),(3,2018,1); INSERT INTO Astronauts(astronaut_id,astronaut_name,gender) VALUES (1,'Neil Armstrong','male'),(2,'Buzz Aldrin','male'),(3,'Mary Jackson','female'); | SELECT SUM(Medical_Records.medical_issues) FROM Medical_Records INNER JOIN Astronauts ON Medical_Records.astronaut_id = Astronauts.astronaut_id WHERE Astronauts.gender = 'female'; |
Update the 'battery_range' to 300 for 'ElectricCar' with 'vehicle_id' 1 in the 'Vehicles' table | CREATE TABLE Vehicles (vehicle_id INT,vehicle_type VARCHAR(20),battery_range INT); INSERT INTO Vehicles (vehicle_id,vehicle_type,battery_range) VALUES (1,'ElectricCar',200),(2,'HybridTruck',500),(3,'ElectricTruck',150); | UPDATE Vehicles SET battery_range = 300 WHERE vehicle_id = 1 AND vehicle_type = 'ElectricCar'; |
What is the number of electric trams in service in Istanbul in 2021? | CREATE TABLE electric_trams (tram_id INT,service_date DATE,in_service INT); INSERT INTO electric_trams (tram_id,service_date,in_service) VALUES (1,'2021-01-01',1),(2,'2021-01-02',1),(3,'2021-01-03',0); | SELECT COUNT(*) FROM electric_trams WHERE in_service = 1 AND service_date BETWEEN '2021-01-01' AND '2021-12-31'; |
What is the total number of trips taken on public transportation in Tokyo and Seoul? | CREATE TABLE public_transportation (trip_id INT,city VARCHAR(20),trips INT); INSERT INTO public_transportation (trip_id,city,trips) VALUES (1,'Tokyo',500000),(2,'Tokyo',600000),(3,'Seoul',400000),(4,'Seoul',300000); | SELECT city, SUM(trips) FROM public_transportation GROUP BY city; |
What is the percentage of workplaces with successful collective bargaining in the manufacturing sector? | CREATE TABLE workplaces (id INT,name TEXT,location TEXT,sector TEXT,total_employees INT,union_members INT,successful_cb BOOLEAN,cb_year INT); | SELECT (COUNT(*) * 100.0 / (SELECT COUNT(*) FROM workplaces WHERE sector = 'manufacturing')) AS percentage FROM workplaces WHERE sector = 'manufacturing' AND successful_cb = TRUE; |
What is the average speed of vehicles in 'Auto Show' table grouped by vehicle type? | CREATE TABLE Auto_Show (show_id INT,vehicle_type VARCHAR(20),avg_speed FLOAT); | SELECT vehicle_type, AVG(avg_speed) FROM Auto_Show GROUP BY vehicle_type; |
Delete all records related to vessels that have not complied with emission regulations in the Port of Los Angeles in 2021. | CREATE TABLE vessels (id INT,name TEXT,type TEXT,emission_compliance BOOLEAN); INSERT INTO vessels (id,name,type,emission_compliance) VALUES (1,'Vessel C','Cargo',false); INSERT INTO vessels (id,name,type,emission_compliance) VALUES (2,'Vessel D','Tanker',true); CREATE TABLE port_visits (id INT,vessel_id INT,port_name TEXT,visit_date DATE); INSERT INTO port_visits (id,vessel_id,port_name,visit_date) VALUES (1,1,'Los Angeles','2021-03-15'); INSERT INTO port_visits (id,vessel_id,port_name,visit_date) VALUES (2,2,'Los Angeles','2021-07-22'); | DELETE FROM vessels WHERE id NOT IN (SELECT vessel_id FROM port_visits WHERE port_name = 'Los Angeles' AND visit_date BETWEEN '2021-01-01' AND '2021-12-31' AND id IN (SELECT id FROM vessels WHERE emission_compliance = true)); |
Show vessels that have transported only one type of cargo. | CREATE TABLE Vessel_Cargo (Vessel_ID INT,Cargo_Type VARCHAR(255),Region VARCHAR(255)); INSERT INTO Vessel_Cargo (Vessel_ID,Cargo_Type,Region) VALUES (1,'Grain','Pacific'),(2,'Containers','Atlantic'),(3,'Oil','Pacific'),(4,'Vehicles','Atlantic'),(5,'Coal','Indian'),(6,'Grain','Pacific'),(7,'Oil','Arctic'); | SELECT Vessel_ID FROM (SELECT Vessel_ID, COUNT(DISTINCT Cargo_Type) AS num_cargo_types FROM Vessel_Cargo GROUP BY Vessel_ID) WHERE num_cargo_types = 1; |
What is the average speed of all vessels that have a maximum speed greater than 25 knots? | CREATE TABLE vessels (vessel_id INT,vessel_name VARCHAR(50),max_speed DECIMAL(5,2)); INSERT INTO vessels (vessel_id,vessel_name,max_speed) VALUES (1,'Ocean Wave',30.5),(2,'Marine Star',24.3),(3,'River Queen',15.6); | SELECT AVG(max_speed) FROM vessels WHERE max_speed > 25; |
Find the maximum age of visitors who attended exhibitions in Tokyo? | CREATE TABLE Exhibitions (exhibition_id INT,city VARCHAR(20)); INSERT INTO Exhibitions (exhibition_id,city) VALUES (1,'New York'),(2,'Los Angeles'),(3,'Chicago'),(4,'Paris'),(5,'Tokyo'); CREATE TABLE Visitors (visitor_id INT,exhibition_id INT,age INT); INSERT INTO Visitors (visitor_id,exhibition_id,age) VALUES (1,1,30),(2,1,35),(3,2,25),(4,2,28),(5,3,40),(6,3,45),(8,5,50),(9,5,55); | SELECT MAX(age) FROM Visitors v JOIN Exhibitions e ON v.exhibition_id = e.exhibition_id WHERE e.city = 'Tokyo'; |
How many visitors attended the Art of the Renaissance exhibition in the first week of January 2022? | CREATE TABLE exhibitions (exhibition_id INT,name VARCHAR(255)); INSERT INTO exhibitions (exhibition_id,name) VALUES (1,'Art of the Renaissance'); CREATE TABLE visitors (visitor_id INT,exhibition_id INT,visit_date DATE); INSERT INTO visitors (visitor_id,exhibition_id,visit_date) VALUES (1,1,'2022-01-01'),(2,1,'2022-01-02'),(3,1,'2022-01-03'),(4,1,'2022-01-05'); | SELECT COUNT(visitor_id) as num_visitors FROM visitors WHERE exhibition_id = 1 AND visit_date >= '2022-01-01' AND visit_date <= '2022-01-07'; |
What was the total number of community events attended by visitors in each age group? | CREATE TABLE visitor_attendance (visitor_id INT,age_group VARCHAR(10),event_name VARCHAR(50)); INSERT INTO visitor_attendance (visitor_id,age_group,event_name) VALUES (1,'Adult','Art Festival'),(2,'Child','Art Exhibition'),(3,'Senior','History Day'); | SELECT age_group, COUNT(*) as num_events FROM visitor_attendance GROUP BY age_group; |
Identify the water conservation initiatives in Texas. | CREATE TABLE water_conservation_initiatives(state VARCHAR(20),initiative VARCHAR(50)); INSERT INTO water_conservation_initiatives(state,initiative) VALUES ('Texas','Rainwater harvesting'),('Texas','Greywater recycling'),('Texas','Smart irrigation systems'); | SELECT initiative FROM water_conservation_initiatives WHERE state = 'Texas'; |
What is the average water consumption per residential user in the last month? | CREATE TABLE user_water_consumption (user_id INT,user_category VARCHAR(20),consumption FLOAT,consumption_date DATE); INSERT INTO user_water_consumption (user_id,user_category,consumption,consumption_date) VALUES (1,'residential',150,'2022-03-01'),(2,'commercial',250,'2022-03-01'),(3,'residential',160,'2022-03-02'),(4,'commercial',240,'2022-03-02'); | SELECT AVG(consumption) FROM user_water_consumption WHERE user_category = 'residential' AND consumption_date >= DATEADD(month, -1, GETDATE()); |
What is the average safety score for creative AI applications by region? | CREATE TABLE CreativeAI (app_name TEXT,region TEXT,safety_score FLOAT); INSERT INTO CreativeAI (app_name,region,safety_score) VALUES ('App1','NA',85.0),('App2','NA',92.0),('App3','EU',88.0),('App4','ASIA',90.0); | SELECT region, AVG(safety_score) avg_safety_score FROM CreativeAI GROUP BY region; |
What is the average cost of rural infrastructure projects in the province of Balochistan, Pakistan, by project type and year? | CREATE TABLE projects_pakistan_balochistan (project_id INT,province TEXT,project_type TEXT,year INT,cost FLOAT); INSERT INTO projects_pakistan_balochistan (project_id,province,project_type,year,cost) VALUES (1,'Balochistan','Roads',2018,600000),(2,'Balochistan','Bridges',2019,800000),(3,'Balochistan','Irrigation',2020,700000); | SELECT project_type, year, AVG(cost) as avg_cost FROM projects_pakistan_balochistan WHERE province = 'Balochistan' GROUP BY project_type, year; |
What is the number of women-led agricultural businesses in the 'business_data' table? | CREATE TABLE business_data (business_id INT,business_name VARCHAR(50),gender VARCHAR(10)); INSERT INTO business_data (business_id,business_name,gender) VALUES (1,'Green Acres','female'),(2,'Brown Farms','male'),(3,'Eco Harvest','non-binary'); | SELECT COUNT(business_id) FROM business_data WHERE gender = 'female'; |
What is the total number of satellites launched by SpaceX and ROSCOSMOS? | CREATE TABLE spacex_satellites (satellite_id INT,name VARCHAR(255),launch_date DATE);CREATE TABLE roscosmos_satellites (satellite_id INT,name VARCHAR(255),launch_date DATE); | SELECT COUNT(*) FROM spacex_satellites WHERE name = 'SpaceX';SELECT COUNT(*) FROM roscosmos_satellites WHERE name = 'ROSCOSMOS'; |
What is the total number of animals that have been released into 'protected' habitats, and the average weight of those animals? | CREATE TABLE habitats (habitat_id INT,habitat_name VARCHAR(50),habitat_status VARCHAR(50)); INSERT INTO habitats (habitat_id,habitat_name,habitat_status) VALUES (1,'Habitat A','protected'),(2,'Habitat B','unprotected'); CREATE TABLE animal_habitats (animal_id INT,habitat_id INT,animal_weight FLOAT); INSERT INTO animal_habitats (animal_id,habitat_id,animal_weight) VALUES (101,1,25.5),(102,2,15.2); CREATE TABLE animals (animal_id INT,animal_name VARCHAR(50)); INSERT INTO animals (animal_id,animal_name) VALUES (101,'Dog'),(102,'Cat'); | SELECT COUNT(*), AVG(animal_habitats.animal_weight) FROM animal_habitats INNER JOIN animals ON animal_habitats.animal_id = animals.animal_id INNER JOIN habitats ON animal_habitats.habitat_id = habitats.habitat_id WHERE habitats.habitat_status = 'protected'; |
Insert a new record for a salmon farm in the Arctic Ocean with an ID of 5 and a water temperature of 5.2 degrees Celsius in February. | CREATE TABLE ArcticSalmonFarms (ID INT,Name TEXT,Location TEXT,WaterTemp DECIMAL(5,2)); | INSERT INTO ArcticSalmonFarms (ID, Name, Location, WaterTemp) VALUES (5, 'Farm H', 'Arctic Ocean', 5.2); |
What is the maximum dissolved oxygen level for Salmon farms in the Pacific Ocean? | CREATE TABLE Farm (FarmID int,FarmName varchar(50),Location varchar(50),WaterTemperature numeric,DissolvedOxygenLevel numeric); INSERT INTO Farm (FarmID,FarmName,Location,WaterTemperature,DissolvedOxygenLevel) VALUES (1,'Farm A','Pacific Ocean',15,8.5); INSERT INTO Farm (FarmID,FarmName,Location,WaterTemperature,DissolvedOxygenLevel) VALUES (2,'Farm B','Atlantic Ocean',18,7.8); INSERT INTO Farm (FarmID,FarmName,Location,WaterTemperature,DissolvedOxygenLevel) VALUES (3,'Farm C','Pacific Ocean',14,8.3); INSERT INTO Farm (FarmID,FarmName,Location,WaterTemperature,DissolvedOxygenLevel) VALUES (4,'Farm D','Indian Ocean',20,6.9); | SELECT MAX(DissolvedOxygenLevel) FROM Farm WHERE Location = 'Pacific Ocean' AND FishSpecies = 'Salmon'; |
Insert a new event 'Painting Class' in the 'Art' category with funding of 8000 | CREATE TABLE Events (EventID INT,Category VARCHAR(50),FundingReceived DECIMAL(10,2)); | INSERT INTO Events (EventID, Category, FundingReceived) VALUES (3, 'Art', 8000); |
Hourly revenue for a specific movie? | CREATE TABLE Movie_Revenue (id INT,movie_title VARCHAR(100),revenue_time TIME,revenue DECIMAL(10,2)); | SELECT revenue_time, SUM(revenue) FROM Movie_Revenue WHERE movie_title = 'Spider-Man: No Way Home' GROUP BY revenue_time; |
What is the total revenue generated by music albums released in the year 2019? | CREATE TABLE albums (id INT,title TEXT,release_year INT,revenue INT); INSERT INTO albums (id,title,release_year,revenue) VALUES (1,'Album 1',2018,5000000),(2,'Album 2',2019,7000000),(3,'Album 3',2017,6000000),(4,'Album 4',2019,8000000); | SELECT SUM(albums.revenue) FROM albums WHERE albums.release_year = 2019; |
What is the average square footage of green-certified buildings in the Northeast, ranked by the highest average? | CREATE TABLE Buildings (BuildingID int,Region varchar(20),GreenCertified bit,SquareFootage decimal(10,2)); INSERT INTO Buildings (BuildingID,Region,GreenCertified,SquareFootage) VALUES (1,'Northeast',1,50000.00),(2,'Midwest',0,75000.00),(3,'Northeast',1,60000.00); | SELECT AVG(SquareFootage) as Avg_SqFt, Region FROM Buildings WHERE Region = 'Northeast' AND GreenCertified = 1 GROUP BY Region ORDER BY Avg_SqFt DESC; |
List all clients with a first name starting with 'J' | CREATE TABLE clients (client_id INT,first_name VARCHAR(50),last_name VARCHAR(50)); INSERT INTO clients (client_id,first_name,last_name) VALUES (1,'John','Doe'),(2,'Jane','Smith'); | SELECT * FROM clients WHERE first_name LIKE 'J%'; |
What is the total billing amount for cases handled by attorneys in the 'New York' office? | CREATE TABLE attorneys (attorney_id INT,name TEXT,office TEXT); INSERT INTO attorneys (attorney_id,name,office) VALUES (1,'Smith','New York'),(2,'Johnson','Los Angeles'),(3,'Williams','New York'); CREATE TABLE cases (case_id INT,attorney_id INT,billing_amount INT); INSERT INTO cases (case_id,attorney_id,billing_amount) VALUES (1,1,5000),(2,2,6000),(3,3,3000),(4,3,4000); | SELECT SUM(billing_amount) FROM cases INNER JOIN attorneys ON cases.attorney_id = attorneys.attorney_id WHERE attorneys.office = 'New York'; |
How many climate finance projects were completed in '2020' from the 'finance_projects' table? | CREATE TABLE finance_projects (id INT PRIMARY KEY,name VARCHAR(255),location VARCHAR(255),description TEXT,start_date DATE,end_date DATE,budget FLOAT); INSERT INTO finance_projects (id,name,location,description,start_date,end_date,budget) VALUES (1,'Green Bonds Issuance','London','Financing green infrastructure projects','2017-01-01','2019-12-31',5000000),(2,'Climate Fundraising Event','Paris','Fundraising event for climate change','2020-01-01','2020-12-31',800000); | SELECT COUNT(*) FROM finance_projects WHERE end_date >= '2020-01-01' AND start_date <= '2020-12-31'; |
Rank drugs based on the total number of clinical trials since 2010. | CREATE TABLE clinical_trials (drug_name TEXT,year INTEGER,trial_count INTEGER); | SELECT drug_name, SUM(trial_count) OVER (PARTITION BY drug_name ORDER BY SUM(trial_count) DESC) AS total_trials FROM clinical_trials WHERE year >= 2010 GROUP BY 1 ORDER BY 2; |
What are the total sales figures for 'Humira' in all regions, excluding Japan? | CREATE TABLE drug_sales (drug_name TEXT,region TEXT,revenue FLOAT); INSERT INTO drug_sales (drug_name,region,revenue) VALUES ('Humira','US',4000000),('Humira','Japan',1000000),('Humira','EU',3000000); | SELECT SUM(revenue) FROM drug_sales WHERE drug_name = 'Humira' AND region NOT IN ('Japan'); |
How many startups were founded by women in each country in 2021? | CREATE TABLE startups(id INT,name TEXT,country TEXT,founder_gender TEXT,founding_year INT); INSERT INTO startups(id,name,country,founder_gender,founding_year) VALUES (1,'StartupA','USA','Female',2021),(2,'StartupB','Canada','Male',2020),(3,'StartupC','USA','Female',2021),(4,'StartupD','Mexico','Female',2019),(5,'StartupE','Brazil','Male',2020); | SELECT country, founder_gender, COUNT(*) as num_startups FROM startups WHERE founding_year = 2021 GROUP BY country, founder_gender; |
Add a new crop 'amaranth' to farm 'Nourishing Harvest' with yield 50 in 2023 | CREATE TABLE farms (id INT,name TEXT,location TEXT,size FLOAT); INSERT INTO farms (id,name,location,size) VALUES (1,'Nourishing Harvest','Mexico',120.0); CREATE TABLE crops (id INT,farm_id INT,crop TEXT,yield INT,year INT); | INSERT INTO crops (id, farm_id, crop, yield, year) VALUES (5, (SELECT id FROM farms WHERE name = 'Nourishing Harvest'), 'amaranth', 50, 2023); |
Which support programs were offered in a specific state in the past 6 months? | CREATE TABLE SupportPrograms (ProgramID INT,ProgramName VARCHAR(50),State VARCHAR(50)); INSERT INTO SupportPrograms (ProgramID,ProgramName,State) VALUES (1,'Tutoring','New York'); INSERT INTO SupportPrograms (ProgramID,ProgramName,State) VALUES (2,'Mentoring','California'); | SELECT ProgramName FROM SupportPrograms WHERE State = 'New York' AND Date BETWEEN DATEADD(month, -6, GETDATE()) AND GETDATE(); |
What is the average depth of all marine protected areas, grouped by region? | CREATE TABLE marine_protected_areas (id INT,name VARCHAR(255),depth FLOAT,area_size INT,region VARCHAR(255)); INSERT INTO marine_protected_areas (id,name,depth,area_size,region) VALUES (1,'Galapagos Islands',2000,15000,'South America'); INSERT INTO marine_protected_areas (id,name,depth,area_size,region) VALUES (2,'Great Barrier Reef',100,344400,'Australia'); INSERT INTO marine_protected_areas (id,name,depth,area_size,region) VALUES (3,'Palau Protected Areas',250,193000,'Micronesia'); | SELECT region, AVG(depth) FROM marine_protected_areas GROUP BY region; |
What is the maximum sea surface temperature in the 'Indian' gyre? | CREATE TABLE gyres (name TEXT,max_temp REAL); INSERT INTO gyres (name,max_temp) VALUES ('North Atlantic',21.5),('South Atlantic',20.3),('Indian',28.2),('North Pacific',16.1),('South Pacific',19.9); | SELECT max_temp FROM gyres WHERE name = 'Indian'; |
Identify the number of wildlife species present in each forest type. | CREATE TABLE forestry.wildlife (species VARCHAR(50),forest_type VARCHAR(50)); INSERT INTO forestry.wildlife (species,forest_type) VALUES ('Bear','Temperate Rainforest'),('Deer','Temperate Deciduous Forest'),('Moose','Boreal Forest'); | SELECT forest_type, COUNT(species) FROM forestry.wildlife GROUP BY forest_type; |
List all wildlife species observed in subtropical forests since 2016, along with the number of times each species has been observed. | CREATE TABLE subtropical_wildlife (id INT,species VARCHAR(50),year INT,region VARCHAR(20)); | SELECT species, region, COUNT(*) as total_observations FROM subtropical_wildlife WHERE region = 'Subtropical' AND year >= 2016 GROUP BY species, region; |
Which cruelty-free certified products use ingredients sourced from Canada? | CREATE TABLE products (product_id INT,product_name TEXT,is_cruelty_free BOOLEAN); CREATE TABLE ingredient_sources (ingredient_id INT,product_id INT,source_country TEXT); | SELECT products.product_name FROM products INNER JOIN ingredient_sources ON products.product_id = ingredient_sources.product_id WHERE products.is_cruelty_free = TRUE AND ingredient_sources.source_country = 'Canada'; |
Which ingredients were sourced from Brazil and used in products launched after 2019-01-01? | CREATE TABLE ingredients (ingredient_id INT,ingredient_name TEXT,sourcing_country TEXT); CREATE TABLE products (product_id INT,product_name TEXT,launch_date DATE); CREATE TABLE product_ingredients (product_id INT,ingredient_id INT); | SELECT ingredient_name FROM ingredients JOIN product_ingredients ON ingredients.ingredient_id = product_ingredients.ingredient_id JOIN products ON product_ingredients.product_id = products.product_id WHERE sourcing_country = 'Brazil' AND launch_date > '2019-01-01'; |
Update 'Sonia Gupta''s favorite product to 'Vegan Mascara' in the 'India' table? | CREATE TABLE consumer_preferences (consumer_id INT,country VARCHAR(50),favorite_product VARCHAR(100)); INSERT INTO consumer_preferences (consumer_id,country,favorite_product) VALUES (1,'United States','Nourishing Face Cream'),(2,'India','Hydrating Face Mask'); | UPDATE consumer_preferences SET favorite_product = 'Vegan Mascara' WHERE consumer_id = 2 AND country = 'India'; |
What is the percentage of vegan haircare products in the overall haircare product sales? | CREATE TABLE haircare_sales (product_vegan BOOLEAN,sales_quantity INT); INSERT INTO haircare_sales (product_vegan,sales_quantity) VALUES (TRUE,300),(FALSE,700); | SELECT (SUM(CASE WHEN product_vegan = TRUE THEN sales_quantity ELSE 0 END) / SUM(sales_quantity)) * 100 AS vegan_percentage FROM haircare_sales; |
What is the total number of police officers and firefighters in the city of New York? | CREATE TABLE nyc_police_officers (id INT,officer_name VARCHAR(255),officer_type VARCHAR(255)); INSERT INTO nyc_police_officers (id,officer_name,officer_type) VALUES (1,'James Brown','Detective'); CREATE TABLE nyc_firefighters (id INT,firefighter_name VARCHAR(255),firefighter_type VARCHAR(255)); INSERT INTO nyc_firefighters (id,firefighter_name,firefighter_type) VALUES (1,'Sarah Johnson','Fire Captain'); | SELECT COUNT(*) FROM nyc_police_officers UNION ALL SELECT COUNT(*) FROM nyc_firefighters; |
List countries involved in peacekeeping operations? | CREATE TABLE IF NOT EXISTS peacekeeping_operations (id INT PRIMARY KEY,country VARCHAR(255)); | SELECT DISTINCT country FROM peacekeeping_operations; |
How many customers have a balance greater than $1000 in their investment accounts? | CREATE TABLE investment_accounts (account_id INT,customer_id INT,balance DECIMAL(10,2)); INSERT INTO investment_accounts (account_id,customer_id,balance) VALUES (1,1,1500.00),(2,1,500.00),(3,2,800.00); | SELECT COUNT(DISTINCT customers.customer_id) FROM customers JOIN investment_accounts ON customers.customer_id = investment_accounts.customer_id WHERE investment_accounts.balance > 1000; |
Update the risk level to 'high' for customers living in the North region with an age greater than 50. | CREATE TABLE Customers (CustomerID int,Name varchar(50),Age int,PostalCode varchar(10),Region varchar(50),RiskLevel varchar(10)); INSERT INTO Customers (CustomerID,Name,Age,PostalCode,Region,RiskLevel) VALUES (1,'Jane Smith',55,'D4E5F6','North','medium'); | UPDATE Customers SET RiskLevel = 'high' WHERE Age > 50 AND Region = 'North'; |
Which ports have handled cargo with a weight above a certain threshold? | CREATE TABLE ports (id INT,name VARCHAR(255),location VARCHAR(255),operated_by VARCHAR(255)); CREATE TABLE cargo (id INT,port_id INT,weight INT); INSERT INTO ports (id,name,location,operated_by) VALUES (1,'Port A','New York','Company A'),(2,'Port B','Los Angeles','Company B'); INSERT INTO cargo (id,port_id,weight) VALUES (1,1,5000),(2,1,7000),(3,2,3000); | SELECT ports.name FROM ports INNER JOIN cargo ON ports.id = cargo.port_id WHERE cargo.weight > 5000; |
What is the maximum waste generated by a factory in the 'electronics' department? | CREATE TABLE factories (factory_id INT,department VARCHAR(20),waste_generated_kg INT); INSERT INTO factories VALUES (1,'textiles',500),(2,'metalwork',300),(3,'textiles',700),(4,'electronics',400),(5,'textiles',600),(6,'electronics',800),(7,'textiles',900),(8,'metalwork',1000),(9,'electronics',1100),(10,'metalwork',1200); | SELECT department, MAX(waste_generated_kg) FROM factories WHERE department = 'electronics' GROUP BY department; |
What is the total number of employees working in factories that have a production output above 5000 units and are located in the United States? | CREATE TABLE factories (factory_id INT,name VARCHAR(100),location VARCHAR(100),production_output INT); CREATE TABLE employees (employee_id INT,factory_id INT,name VARCHAR(100),position VARCHAR(100)); INSERT INTO factories (factory_id,name,location,production_output) VALUES (1,'ABC Factory','New York',5500),(2,'XYZ Factory','California',4000),(3,'LMN Factory','Texas',6000); INSERT INTO employees (employee_id,factory_id,name,position) VALUES (1,1,'John Doe','Engineer'),(2,1,'Jane Smith','Manager'),(3,2,'Mike Johnson','Operator'),(4,3,'Sara Brown','Engineer'); | SELECT COUNT(*) FROM factories INNER JOIN employees ON factories.factory_id = employees.factory_id WHERE factories.production_output > 5000 AND factories.location LIKE '%United States%'; |
What is the average number of rural health clinics per state in Africa, and how many states have more than 50 rural health clinics? | CREATE TABLE rural_health_clinics (clinic_id INT,clinic_name VARCHAR(100),state VARCHAR(50),num_staff INT); INSERT INTO rural_health_clinics (clinic_id,clinic_name,state,num_staff) VALUES (1,'Clinic A','Nigeria',40),(2,'Clinic B','Nigeria',50),(3,'Clinic C','Kenya',35),(4,'Clinic D','Kenya',60); | SELECT AVG(num_staff) AS avg_rural_clinics_per_state, COUNT(*) FILTER (WHERE num_staff > 50) AS states_with_more_than_50_clinics FROM ( SELECT state, COUNT(*) AS num_staff FROM rural_health_clinics GROUP BY state ) subquery; |
What was the total amount of social impact investments made by 'Green Capital' in Q1 2021? | CREATE TABLE investments (id INT,investor VARCHAR(255),amount FLOAT,date DATE); INSERT INTO investments (id,investor,amount,date) VALUES (1,'Green Capital',50000,'2021-01-15'); INSERT INTO investments (id,investor,amount,date) VALUES (2,'Green Capital',75000,'2021-01-20'); | SELECT SUM(amount) FROM investments WHERE investor = 'Green Capital' AND date BETWEEN '2021-01-01' AND '2021-03-31'; |
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