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What is the average precipitation in the top 5 driest regions in the past year? | CREATE TABLE precipitation_data (region VARCHAR(255),precipitation INT,date DATE); INSERT INTO precipitation_data (region,precipitation,date) VALUES ('Africa',50,'2022-01-01'),('Asia',75,'2022-01-01'),('Australia',100,'2022-01-01'),('South America',125,'2022-01-01'),('Antarctica',150,'2022-01-01'); | SELECT region, AVG(precipitation) as avg_precipitation FROM (SELECT region, precipitation, RANK() OVER (PARTITION BY NULL ORDER BY precipitation ASC) as rain_rank FROM precipitation_data WHERE date BETWEEN '2022-01-01' AND '2022-12-31' GROUP BY region) subquery WHERE rain_rank <= 5 GROUP BY region; |
What is the minimum age of trees in the mature_forest table? | CREATE TABLE mature_forest (id INT,species VARCHAR(255),age INT); INSERT INTO mature_forest (id,species,age) VALUES (1,'Pine',25),(2,'Oak',30),(3,'Maple',28); | SELECT MIN(age) FROM mature_forest; |
Create a view to show all completed projects | CREATE TABLE climate_mitigation_projects (id INT PRIMARY KEY,name VARCHAR(50),location VARCHAR(50),start_date DATE,end_date DATE,budget FLOAT); | CREATE VIEW completed_projects AS SELECT * FROM climate_mitigation_projects WHERE end_date < CURDATE(); |
Identify the top 3 states with the highest number of hospitals and the corresponding number of beds in those hospitals. | CREATE TABLE hospitals (hospital_id INT,name VARCHAR(50),state VARCHAR(20),num_beds INT); INSERT INTO hospitals (hospital_id,name,state,num_beds) VALUES (1,'Hospital A','New York',500),(2,'Hospital B','Texas',600),(3,'Hospital C','California',700); CREATE TABLE states (state VARCHAR(20),region VARCHAR(20)); INSERT INTO states (state,region) VALUES ('New York','Northeast'),('Texas','South'),('California','West'); | SELECT s.state, h.num_beds FROM hospitals h INNER JOIN states s ON h.state = s.state WHERE h.state IN (SELECT s.state FROM hospitals h INNER JOIN states s ON h.state = s.state GROUP BY s.state ORDER BY COUNT(h.hospital_id) DESC LIMIT 3) ORDER BY num_beds DESC; |
What is the total training cost for underrepresented employees in the last year? | CREATE TABLE Training (TrainingID INT,EmployeeID INT,TrainingType VARCHAR(20),Cost DECIMAL(10,2),TrainingDate DATE); INSERT INTO Training (TrainingID,EmployeeID,TrainingType,Cost,TrainingDate) VALUES (1,1,'Diversity',1500.00,'2021-01-01'),(2,2,'Leadership',2000.00,'2021-02-01'),(3,3,'Diversity',1000.00,'2021-03-01'); | SELECT SUM(Cost) FROM Training JOIN Employees ON Training.EmployeeID = Employees.EmployeeID WHERE Employees.Gender IN ('Female', 'Non-binary') OR Employees.Department = 'Diversity'; |
What is the total number of volunteers and total hours donated by them in '2022'? | CREATE TABLE Volunteers (VolunteerID int,VolunteerName varchar(50),HoursDonated int,VolunteerYear int); INSERT INTO Volunteers (VolunteerID,VolunteerName,HoursDonated,VolunteerYear) VALUES (1,'Grace Blue',30,2022),(2,'Harry Yellow',20,2022),(3,'Ivy Purple',15,2022),(4,'Jack Orange',25,2022); | SELECT COUNT(VolunteerName) as TotalVolunteers, SUM(HoursDonated) as TotalHours FROM Volunteers WHERE VolunteerYear = 2022; |
What is the average salary of construction workers in California, grouped by occupation? | CREATE TABLE Construction_Labor (worker_id INT,occupation VARCHAR(50),state VARCHAR(50),salary FLOAT); INSERT INTO Construction_Labor VALUES (7890,'Electrician','California',60000); | SELECT occupation, AVG(salary) FROM Construction_Labor WHERE state = 'California' GROUP BY occupation; |
How many media outlets in Africa have a media literacy score above 7? | CREATE TABLE media_outlets (id INT,name TEXT,country TEXT,media_literacy_score INT); INSERT INTO media_outlets (id,name,country,media_literacy_score) VALUES (1,'Outlet 1','Nigeria',6); INSERT INTO media_outlets (id,name,country,media_literacy_score) VALUES (2,'Outlet 2','Kenya',7); | SELECT COUNT(*) FROM media_outlets WHERE country = 'Africa' AND media_literacy_score > 7; |
What is the maximum number of flu shots administered in a single day in the European region? | CREATE TABLE flu_shots (flu_shot_id INT,patient_id INT,date DATE,region VARCHAR(20)); INSERT INTO flu_shots (flu_shot_id,patient_id,date,region) VALUES (1,3,'2021-01-01','European'); INSERT INTO flu_shots (flu_shot_id,patient_id,date,region) VALUES (2,4,'2021-02-01','American'); | SELECT MAX(count) FROM (SELECT date, COUNT(*) as count FROM flu_shots GROUP BY date) as subquery |
How many climate communication projects are in 'Europe' and 'North America'? | CREATE TABLE climate_communication (project_id INT,project_name VARCHAR(255),location VARCHAR(255),start_date DATE,end_date DATE); | SELECT COUNT(*) FROM climate_communication WHERE location IN ('Europe', 'North America'); |
How many volunteers have contributed to each program in 2022? | CREATE TABLE programs (id INT,name VARCHAR(255)); INSERT INTO programs (id,name) VALUES (1,'Women Empowerment'),(2,'Refugee Support'),(3,'Disaster Relief'); CREATE TABLE volunteer_hours (id INT,program_id INT,volunteer_id INT,hours INT); INSERT INTO volunteer_hours (id,program_id,volunteer_id,hours) VALUES (1,1,1,25),(2,2,2,30),(3,1,3,20),(4,3,4,40),(5,2,5,35),(6,1,6,22),(7,3,7,45),(8,2,8,33),(9,1,9,27),(10,3,10,50),(11,1,11,20),(12,2,12,25),(13,1,13,30),(14,3,14,35),(15,2,15,30),(16,1,16,25),(17,3,17,40),(18,2,18,35),(19,1,19,30),(20,3,20,45),(21,1,21,20),(22,2,22,25),(23,1,23,30),(24,3,24,35),(25,2,25,30),(26,1,26,25),(27,3,27,40),(28,2,28,35),(29,1,29,30),(30,3,30,45); | SELECT program_id, COUNT(DISTINCT volunteer_id) as num_volunteers FROM volunteer_hours GROUP BY program_id; |
Which organizations have received grants for capacity building in the last year? | CREATE TABLE organizations (id INT,name VARCHAR(50),type VARCHAR(30)); CREATE TABLE grants (id INT,org_id INT,amount INT,date DATE,purpose VARCHAR(30)); INSERT INTO organizations (id,name,type) VALUES (1,'ABC Nonprofit','capacity building'),(2,'DEF Nonprofit','social impact'),(3,'GHI Nonprofit','fundraising'); INSERT INTO grants (id,org_id,amount,date,purpose) VALUES (1,1,10000,'2023-01-01','capacity building'),(2,2,5000,'2022-12-15','program delivery'),(3,3,7500,'2023-02-05','capacity building'); | SELECT organizations.name FROM organizations INNER JOIN grants ON organizations.id = grants.org_id WHERE grants.date >= DATEADD(year, -1, GETDATE()) AND organizations.type = 'capacity building'; |
What is the count of new employees by gender in the last 3 months? | CREATE TABLE employees (id INT,name VARCHAR(255),gender VARCHAR(10),hire_date DATE); INSERT INTO employees (id,name,gender,hire_date) VALUES (1,'Jane Doe','Female','2022-03-15'),(2,'Alice Smith','Female','2022-02-03'),(3,'Bob Johnson','Male','2022-01-01'),(4,'Grace Lee','Female','2022-04-01'); | SELECT gender, COUNT(id) as new_employees FROM employees WHERE hire_date >= DATE_SUB(CURDATE(), INTERVAL 3 MONTH) GROUP BY gender; |
List all the satellite images taken in the past month, along with the average temperature and humidity at the time of capture. | CREATE TABLE satellite_data (id INT,image_id VARCHAR(255),temperature INT,humidity INT,timestamp DATETIME); INSERT INTO satellite_data (id,image_id,temperature,humidity,timestamp) VALUES (1,'IMG001',20,70,'2022-01-01 10:00:00'); | SELECT image_id, AVG(temperature) as avg_temp, AVG(humidity) as avg_humidity FROM satellite_data WHERE timestamp >= DATE_SUB(CURRENT_TIMESTAMP(), INTERVAL 1 MONTH) GROUP BY image_id; |
What was the total amount donated by each gender in H1 2021? | CREATE TABLE Donors (DonorID int,DonorName varchar(50),Gender varchar(50),AmountDonated numeric(10,2)); INSERT INTO Donors (DonorID,DonorName,Gender,AmountDonated) VALUES (1,'John Doe','Male',500.00),(2,'Jane Smith','Female',750.00); | SELECT Gender, SUM(AmountDonated) as TotalDonated FROM Donors WHERE AmountDonated >= 0 AND AmountDonated < 9999.99 GROUP BY Gender; |
List the total quantity of fruits ordered from local suppliers in California? | CREATE TABLE Suppliers (SupplierID INT,SupplierName VARCHAR(50),Location VARCHAR(50)); INSERT INTO Suppliers (SupplierID,SupplierName,Location) VALUES (1,'Fresh CA Produce','California'); CREATE TABLE Products (ProductID INT,ProductName VARCHAR(50),SupplierID INT,Category VARCHAR(50),Price DECIMAL(5,2)); INSERT INTO Products (ProductID,ProductName,SupplierID,Category,Price) VALUES (1,'Fresh Strawberries',1,'Fruits',3.99); CREATE TABLE Orders (OrderID INT,ProductID INT,Quantity INT,OrderDate DATE,SupplierID INT); INSERT INTO Orders (OrderID,ProductID,Quantity,OrderDate,SupplierID) VALUES (1,1,20,'2021-07-01',1); | SELECT SUM(Quantity) FROM Orders JOIN Products ON Orders.ProductID = Products.ProductID JOIN Suppliers ON Products.SupplierID = Suppliers.SupplierID WHERE Suppliers.Location = 'California' AND Products.Category = 'Fruits'; |
What is the average number of graduate students enrolled per program? | CREATE TABLE program (id INT,name TEXT);CREATE TABLE student (id INT,program_id INT,enrollment_status TEXT); | SELECT AVG(s.count) FROM (SELECT program_id, COUNT(*) AS count FROM student s GROUP BY program_id) s; |
What is the total balance for all customers in the Southeast region? | CREATE TABLE customers (id INT,name VARCHAR(50),region VARCHAR(50),balance DECIMAL(10,2)); INSERT INTO customers (id,name,region,balance) VALUES (1,'John Doe','Southeast',5000.00),(2,'Jane Smith','Northeast',7000.00); | SELECT SUM(balance) FROM customers WHERE region = 'Southeast'; |
What are the average dimensions of sculptures in the surrealism category? | CREATE TABLE dimensions (dimension_id INT PRIMARY KEY,work_id INT,height FLOAT,width FLOAT,depth FLOAT,FOREIGN KEY (work_id) REFERENCES works(work_id)); | SELECT AVG(height) AS avg_height, AVG(width) AS avg_width, AVG(depth) AS avg_depth FROM dimensions d JOIN works w ON d.work_id = w.work_id WHERE w.style = 'Surrealism' AND w.category = 'Sculpture'; |
Update the total_incidents column in the workplace_safety_metrics table to 15 for all records with an incident_type of 'Electrical Hazards' and union_id of 006 | CREATE TABLE workplace_safety_metrics (ws_id SERIAL PRIMARY KEY,union_id VARCHAR(5),incident_type TEXT,total_incidents INT,date DATE); | UPDATE workplace_safety_metrics SET total_incidents = 15 WHERE incident_type = 'Electrical Hazards' AND union_id = '006'; |
List all cruelty-free products and their brands with more than 1000 sales | CREATE TABLE sales (product_id INT,brand_id INT,quantity INT); CREATE TABLE products (id INT,name VARCHAR(255),brand_id INT,is_cruelty_free BOOLEAN); | SELECT p.name, b.brand_name FROM products p INNER JOIN (SELECT brand_id, SUM(quantity) as total_sales FROM sales GROUP BY brand_id HAVING total_sales > 1000) s ON p.brand_id = s.brand_id INNER JOIN brands b ON p.brand_id = b.id WHERE p.is_cruelty_free = TRUE; |
What is the average CO2 emission per flight for each airline company? | CREATE TABLE Airline_Companies (Company_Name VARCHAR(50)); INSERT INTO Airline_Companies (Company_Name) VALUES ('AirAsia'),('Lufthansa'),('Delta'); CREATE TABLE Emissions (Company_Name VARCHAR(50),Flight_Number INT,Year INT,CO2_Emissions INT); INSERT INTO Emissions (Company_Name,Flight_Number,Year,CO2_Emissions) VALUES ('AirAsia',101,2020,120),('AirAsia',102,2020,140),('Lufthansa',201,2020,200),('Lufthansa',202,2020,220),('Delta',301,2020,250),('Delta',302,2020,270); | SELECT AC.Company_Name, AVG(E.CO2_Emissions) AS Avg_CO2_Emissions FROM Emissions E JOIN Airline_Companies AC ON E.Company_Name = AC.Company_Name GROUP BY AC.Company_Name; |
Show the total number of satellites launched by each country in the last 10 years from the satellite_deployment table | CREATE TABLE satellite_deployment (id INT PRIMARY KEY,country VARCHAR(100),launch_date DATE,satellite_name VARCHAR(100)); | SELECT country, COUNT(*) FROM satellite_deployment WHERE launch_date >= DATE_SUB(CURRENT_DATE, INTERVAL 10 YEAR) GROUP BY country; |
Find the average 'Cultural Competency' training duration for providers in 'New York' and 'Los Angeles'. | CREATE TABLE ProviderTrainings (ID INT PRIMARY KEY,ProviderID INT,Training VARCHAR(50),Duration INT,Location VARCHAR(50),Date DATE); INSERT INTO ProviderTrainings (ID,ProviderID,Training,Duration,Location,Date) VALUES (1,201,'Cultural Competency',120,'New York','2022-01-01'); INSERT INTO ProviderTrainings (ID,ProviderID,Training,Duration,Location,Date) VALUES (2,202,'Language Access',90,'Los Angeles','2021-02-01'); INSERT INTO ProviderTrainings (ID,ProviderID,Training,Duration,Location,Date) VALUES (3,203,'Cultural Sensitivity',150,'New York','2019-03-01'); | SELECT AVG(Duration) FROM ProviderTrainings WHERE Training = 'Cultural Competency' AND Location IN ('New York', 'Los Angeles'); |
Find the total quantity of each strain sold in Colorado and Oregon. | CREATE TABLE sales (sale_id INT,dispensary_id INT,strain VARCHAR(255),quantity INT);CREATE TABLE dispensaries (dispensary_id INT,name VARCHAR(255),state VARCHAR(255)); | SELECT strain, SUM(quantity) as total_quantity FROM sales JOIN dispensaries ON sales.dispensary_id = dispensaries.dispensary_id WHERE state IN ('Colorado', 'Oregon') GROUP BY strain; |
How many patients have been treated with meditation in the past year? | CREATE TABLE patients (patient_id INT,age INT,gender VARCHAR(20),condition VARCHAR(50),registration_date DATE); INSERT INTO patients (patient_id,age,gender,condition,registration_date) VALUES (1,35,'Female','Depression','2021-05-18'); CREATE TABLE treatments (treatment_id INT,patient_id INT,therapy_type VARCHAR(50),duration INT,treatment_date DATE); INSERT INTO treatments (treatment_id,patient_id,therapy_type,duration,treatment_date) VALUES (1,1,'Meditation',12,'2021-08-23'); | SELECT COUNT(DISTINCT patients.patient_id) FROM patients JOIN treatments ON patients.patient_id = treatments.patient_id WHERE treatments.therapy_type = 'Meditation' AND treatments.treatment_date >= '2020-08-01'; |
What is the maximum number of trips taken by shared scooters in Berlin on a single day? | CREATE TABLE public.trips_by_day (id SERIAL PRIMARY KEY,vehicle_type TEXT,city TEXT,trips_on_day INTEGER); INSERT INTO public.trips_by_day (vehicle_type,city,trips_on_day) VALUES ('shared_scooter','Berlin',1500),('shared_scooter','Berlin',1700),('shared_scooter','London',1200); | SELECT MAX(trips_on_day) FROM public.trips_by_day WHERE vehicle_type = 'shared_scooter' AND city = 'Berlin'; |
How many schools were built in each country? | CREATE TABLE SchoolConstruction (Country VARCHAR(20),NumSchools INT); INSERT INTO SchoolConstruction (Country,NumSchools) VALUES ('Afghanistan',15),('Syria',20),('Iraq',10),('Jordan',12),('Lebanon',18); | SELECT Country, SUM(NumSchools) as TotalSchools FROM SchoolConstruction GROUP BY Country; |
Delete records from the 'infrastructure_development' table where the 'location' is 'South Atlantic' | CREATE TABLE infrastructure_development (project_id INT,location VARCHAR(30),start_date DATE,end_date DATE,cost INT); INSERT INTO infrastructure_development (project_id,location,start_date,end_date,cost) VALUES (3,'South Atlantic','2019-01-01','2022-12-31',600000000); | DELETE FROM infrastructure_development WHERE location = 'South Atlantic'; |
What is the average size of sustainable urbanism projects in the city of Tokyo? | CREATE TABLE SustainableUrbanism (id INT,city VARCHAR(20),size FLOAT); | SELECT AVG(size) FROM SustainableUrbanism WHERE city = 'Tokyo'; |
Delete all records from the "Census" table where the state is 'California'. | CREATE TABLE Census (id INT,state VARCHAR(50),population INT); INSERT INTO Census (id,state,population) VALUES (1,'California',39512223),(2,'Texas',29528404),(3,'Florida',21538187),(4,'New York',19453561),(5,'Pennsylvania',12801989); | DELETE FROM Census WHERE state = 'California'; |
What is the maximum recycling rate for any material in the East region? | CREATE TABLE Recycling_Rates (material VARCHAR(20),region VARCHAR(20),recycling_rate DECIMAL(4,2)); INSERT INTO Recycling_Rates (material,region,recycling_rate) VALUES ('Glass','East',0.60),('Paper','East',0.75),('Plastic','West',0.55),('Metal','North',0.80); | SELECT region, MAX(recycling_rate) FROM Recycling_Rates WHERE region = 'East' GROUP BY region; |
What is the maximum depth ever reached by a submersible in the Atlantic Ocean? | CREATE TABLE submersible_dives (id INT,submersible_name VARCHAR(50),region VARCHAR(20),dive_date DATE,max_depth INT);INSERT INTO submersible_dives (id,submersible_name,region,dive_date,max_depth) VALUES (1,'Trieste','Atlantic','1960-01-23',10972);INSERT INTO submersible_dives (id,submersible_name,region,dive_date,max_depth) VALUES (2,'Mir','Atlantic','2000-08-23',6170); | SELECT MAX(max_depth) FROM submersible_dives WHERE region = 'Atlantic'; |
Find the total number of workplace injuries for each union, and return only the unions with more than 1000 injuries. | CREATE TABLE injuries (id INT PRIMARY KEY,union_id INT,injury_count INT); INSERT INTO injuries (id,union_id,injury_count) VALUES (1,1,1500),(2,2,800),(3,3,1200); | SELECT union_id, SUM(injury_count) AS total_injuries FROM injuries GROUP BY union_id HAVING total_injuries > 1000; |
What is the maximum number of people in space at any given time, according to the Astronaut_Missions table? | CREATE TABLE Astronaut_Missions (ID INT,Astronaut_Name VARCHAR(255),Mission_Name VARCHAR(255),In_Space BOOLEAN); INSERT INTO Astronaut_Missions (ID,Astronaut_Name,Mission_Name,In_Space) VALUES (1,'Neil Armstrong','Apollo 11',TRUE),(2,'Buzz Aldrin','Apollo 11',TRUE); | SELECT MAX(Num_In_Space) FROM (SELECT COUNT(*) as Num_In_Space FROM Astronaut_Missions WHERE In_Space = TRUE GROUP BY Mission_Name) AS Subquery; |
What is the average energy consumption of buildings in each location that have energy consumption above the average energy consumption of all buildings in the 'GreenBuildings' table? | CREATE TABLE GreenBuildings (id INT,name VARCHAR(50),location VARCHAR(50),energyConsumption DECIMAL(5,2)); CREATE TABLE Averages (location VARCHAR(50),avg_consumption DECIMAL(5,2)); INSERT INTO Averages (location,avg_consumption) SELECT location,AVG(energyConsumption) FROM GreenBuildings GROUP BY location; CREATE TABLE AboveAverage (location VARCHAR(50),energyConsumption DECIMAL(5,2)); INSERT INTO AboveAverage (location,energyConsumption) SELECT location,AVG(energyConsumption) as energyConsumption FROM GreenBuildings GROUP BY location HAVING AVG(energyConsumption) > (SELECT AVG(avg_consumption) FROM Averages); | SELECT location, AVG(energyConsumption) as avg_above_average FROM AboveAverage GROUP BY location; |
Find the total sales quantity of hybrid strains in Oregon and Washington, and the percentage of total sales for each state. | CREATE TABLE total_sales (state VARCHAR(20),sales_quantity INT,strain_type VARCHAR(10)); INSERT INTO total_sales (state,sales_quantity,strain_type) VALUES ('Oregon',200,'hybrid'); INSERT INTO total_sales (state,sales_quantity,strain_type) VALUES ('Washington',150,'hybrid'); INSERT INTO total_sales (state,sales_quantity,strain_type) VALUES ('California',300,'indica'); INSERT INTO total_sales (state,sales_quantity,strain_type) VALUES ('California',150,'sativa'); INSERT INTO total_sales (state,sales_quantity,strain_type) VALUES ('California',200,'hybrid'); | SELECT state, sales_quantity, (sales_quantity::FLOAT / SUM(sales_quantity) OVER (PARTITION BY strain_type)) * 100 AS percentage FROM total_sales WHERE strain_type = 'hybrid'; |
What is the maximum salary of workers who are not union members, grouped by their industry? | CREATE TABLE workers (id INT,name TEXT,industry TEXT,union_member BOOLEAN,salary REAL); INSERT INTO workers (id,name,industry,union_member,salary) VALUES (1,'John Doe','construction',true,60000.00),(2,'Jane Smith','retail',false,35000.00); | SELECT industry, MAX(salary) FROM workers WHERE NOT union_member GROUP BY industry; |
What is the average temperature recorded in each Arctic research station in 2020? | CREATE TABLE WeatherData (Station VARCHAR(255),Date DATE,Temperature FLOAT); INSERT INTO WeatherData (Station,Date,Temperature) VALUES ('StationA','2020-01-01',-10.5),('StationB','2020-01-01',-12.3); | SELECT Station, AVG(Temperature) FROM WeatherData WHERE YEAR(Date) = 2020 GROUP BY Station; |
What was the total cost of spacecraft manufactured by 'AeroCorp'? | CREATE TABLE SpacecraftManufacturing(company VARCHAR(20),cost INT); INSERT INTO SpacecraftManufacturing(company,cost) VALUES('AeroCorp',5000000),('GalacticTech',7000000),('SpaceEagle',6000000); | SELECT SUM(cost) FROM SpacecraftManufacturing WHERE company = 'AeroCorp'; |
What is the total number of hours spent playing VR games by players, grouped by their preferred gaming platform and region? | CREATE TABLE players (id INT,platform VARCHAR(20),region VARCHAR(20),total_hours_played INT);CREATE TABLE game_sessions (id INT,player_id INT,session_duration INT,game_type VARCHAR(10)); | SELECT p.platform, p.region, SUM(gs.session_duration) AS total_hours_played FROM players p INNER JOIN game_sessions gs ON p.id = gs.player_id WHERE gs.game_type = 'VR' GROUP BY p.platform, p.region; |
Identify habitats that require preservation efforts | CREATE TABLE critical_habitats (id INT,habitat_id INT,reason VARCHAR(50)); INSERT INTO critical_habitats (id,habitat_id,reason) VALUES (1,1,'Endangered Species'),(2,3,'Biodiversity Hotspot'),(3,4,'Climate Change Impact'); CREATE TABLE habitats (id INT,type VARCHAR(50)); INSERT INTO habitats (id,type) VALUES (1,'Forest'),(2,'Savannah'),(3,'Wetlands'),(4,'Mountain'); | SELECT h.type FROM habitats h INNER JOIN critical_habitats ch ON h.id = ch.habitat_id; |
Update the name of an existing organization | CREATE TABLE organization (org_id INT,org_name TEXT); INSERT INTO organization (org_id,org_name) VALUES (1,'Volunteers Inc'); INSERT INTO organization (org_id,org_name) VALUES (2,'Helping Hands'); | UPDATE organization SET org_name = 'Compassionate Communities' WHERE org_id = 2; |
What is the average gas production in Canada in 2018? | CREATE TABLE gas_production (well_id INT,year INT,oil_production INT,gas_production INT); INSERT INTO gas_production (well_id,year,oil_production,gas_production) VALUES (1,2018,120000,50000); INSERT INTO gas_production (well_id,year,oil_production,gas_production) VALUES (2,2017,130000,60000); INSERT INTO gas_production (well_id,year,oil_production,gas_production) VALUES (3,2018,110000,45000); | SELECT AVG(gas_production) FROM gas_production WHERE year = 2018 AND state = 'Canada'; |
What is the name of the most expensive product? | CREATE TABLE products (id INT,company VARCHAR(255),price DECIMAL(5,2),name VARCHAR(255)); INSERT INTO products (id,company,price,name) VALUES (1,'ABC',50.99,'Cleanser'),(2,'DEF',35.49,'Toner'),(3,'GHI',65.99,'Moisturizer'),(4,'JKL',25.99,'Serum'); | SELECT name FROM products WHERE price = (SELECT MAX(price) FROM products); |
What is the total number of articles published in the Spanish language in 2021? | CREATE TABLE articles (id INT,title VARCHAR(255),language VARCHAR(50),publication_date DATE); INSERT INTO articles (id,title,language,publication_date) VALUES (1,'ArticleE','Spanish','2021-01-01'),(2,'ArticleF','English','2022-12-31'),(3,'ArticleG','French','2022-01-01'),(4,'ArticleH','Spanish','2020-12-31'); | SELECT COUNT(*) FROM articles WHERE language = 'Spanish' AND YEAR(publication_date) = 2021; |
What is the number of mental health parity violation incidents reported by community health workers in New York? | CREATE TABLE mental_health_parity (id INT,worker_id INT,incident_date DATE,violation_count INT); INSERT INTO mental_health_parity (id,worker_id,incident_date,violation_count) VALUES (1,123,'2021-01-01',5),(2,123,'2021-01-15',3); CREATE TABLE community_health_workers (id INT,name VARCHAR(50),region VARCHAR(50)); INSERT INTO community_health_workers (id,name,region) VALUES (123,'John Doe','New York'); | SELECT SUM(violation_count) FROM mental_health_parity INNER JOIN community_health_workers ON mental_health_parity.worker_id = community_health_workers.id WHERE community_health_workers.region = 'New York'; |
What is the number of unique customers who have purchased skincare products in the 'customer_skincare_sales' table? | CREATE TABLE customer_skincare_sales (customer_id INT,product_id INT,sale_price DECIMAL(5,2)); | SELECT COUNT(DISTINCT customer_id) FROM customer_skincare_sales; |
List the regions and their water usage in cubic meters from the 'drought_impact' and 'water_usage' tables | CREATE TABLE drought_impact (region_id INT,drought_status VARCHAR(50),water_usage FLOAT); | SELECT drought_impact.region_id, drought_impact.drought_status, water_usage FROM drought_impact INNER JOIN water_usage ON drought_impact.region_id = water_usage.region_id; |
How many exoplanets have been discovered in the constellation Cygnus? | CREATE TABLE exoplanets (id INT,exoplanet_name VARCHAR(50),constellation VARCHAR(30),discovery_year INT); | SELECT COUNT(*) FROM exoplanets WHERE constellation = 'Cygnus'; |
What is the average mass of space objects in low Earth orbit? | CREATE TABLE space_objects_leo (id INT,name VARCHAR(255),mass FLOAT); INSERT INTO space_objects_leo (id,name,mass) VALUES (1,'Space Object 1',1000.0),(2,'Space Object 2',1500.0),(3,'Space Object 3',500.0); | SELECT AVG(mass) FROM space_objects_leo; |
Delete all records from the "products" table where the "manufacturing_country" is "China" | CREATE TABLE products (id INT PRIMARY KEY,name VARCHAR(100),manufacturing_country VARCHAR(50)); INSERT INTO products (id,name,manufacturing_country) VALUES (1,'productA','China'),(2,'productB','Mexico'); | DELETE FROM products WHERE manufacturing_country = 'China'; |
List the number of wells drilled in the North Sea by each country in 2019 | CREATE TABLE well_drilling (year INT,region VARCHAR(255),country VARCHAR(255),num_wells INT); INSERT INTO well_drilling (year,region,country,num_wells) VALUES (2017,'North Sea','Norway',25),(2017,'North Sea','UK',30),(2017,'North Sea','Denmark',12),(2018,'North Sea','Norway',28),(2018,'North Sea','UK',32),(2018,'North Sea','Denmark',15),(2019,'North Sea','Norway',31),(2019,'North Sea','UK',35),(2019,'North Sea','Denmark',18); | SELECT country, SUM(num_wells) FROM well_drilling WHERE year = 2019 AND region = 'North Sea' GROUP BY country; |
What's the total number of players who play action games on VR platforms? | CREATE TABLE Players (PlayerID INT,Name VARCHAR(100),Age INT,FavoriteGenre VARCHAR(50),VRPossible BOOLEAN); INSERT INTO Players (PlayerID,Name,Age,FavoriteGenre,VRPossible) VALUES (1,'John Doe',25,'Action',true),(2,'Jane Smith',28,'Adventure',true),(3,'James Johnson',30,'Simulation',true),(4,'Emily Davis',24,'Strategy',false); | SELECT COUNT(*) FROM Players WHERE FavoriteGenre = 'Action' AND VRPossible = true; |
Find the yttrium production difference between 2018 and 2019 for each company. | CREATE TABLE YttriumProduction (Company VARCHAR(50),Year INT,Production FLOAT); INSERT INTO YttriumProduction(Company,Year,Production) VALUES ('CompanyA',2018,115.6),('CompanyA',2019,134.8),('CompanyA',2020,146.2),('CompanyB',2018,98.1),('CompanyB',2019,109.5),('CompanyB',2020,120.9); | SELECT Company, Production - LEAD(Production) OVER (PARTITION BY Company ORDER BY Year) as Difference FROM YttriumProduction WHERE Company IN ('CompanyA', 'CompanyB'); |
How many bikes are available at each station on the Green Line? | CREATE TABLE stations (line_name VARCHAR(50),station_name VARCHAR(50),bikes_available INT); INSERT INTO stations (line_name,station_name,bikes_available) VALUES ('Green Line','Station A',10),('Green Line','Station B',8),('Green Line','Station C',12); | SELECT station_name, bikes_available FROM stations WHERE line_name = 'Green Line'; |
Delete all products that have 'Made in China' in 'origin' column | CREATE TABLE product (product_id VARCHAR(10),name VARCHAR(50),price DECIMAL(5,2),supplier_id VARCHAR(10),origin VARCHAR(50),primary key (product_id)); | DELETE FROM product WHERE origin LIKE '%Made in China%'; |
Update the price of samarium oxide to $30.50 in the table 'market_trends' | CREATE TABLE market_trends (id INT,element VARCHAR(10),price DECIMAL(5,2),date DATE); INSERT INTO market_trends (id,element,price,date) VALUES (1,'samarium',28.25,'2022-01-01'),(2,'samarium',29.00,'2022-02-01'),(3,'samarium',30.00,'2022-03-01'); | UPDATE market_trends SET price = 30.50 WHERE element = 'samarium'; |
Which universities have marine research stations in the Pacific Ocean? | CREATE TABLE Research_Station (station_name VARCHAR(50),latitude NUMERIC(8,2),longitude NUMERIC(8,2),ocean_name VARCHAR(50)); INSERT INTO Research_Station (station_name,latitude,longitude,ocean_name) VALUES ('Station A',40.7128,-74.0060,'Pacific'),('Station B',34.0522,-118.2437,'Indian'); CREATE TABLE University (university_name VARCHAR(50),station_name VARCHAR(50)); INSERT INTO University (university_name,station_name) VALUES ('University X','Station A'),('University Y','Station B'); | SELECT University.university_name FROM University INNER JOIN Research_Station ON University.station_name = Research_Station.station_name WHERE Research_Station.ocean_name = 'Pacific'; |
Delete all records from 'Rosetta Stone' excavation. | CREATE TABLE ExcavationSites (SiteID INT PRIMARY KEY,Name VARCHAR(255),Country VARCHAR(255),StartDate DATE,EndDate DATE); INSERT INTO ExcavationSites (SiteID,Name,Country,StartDate,EndDate) VALUES (4,'Rosetta Stone','Egypt','1799-07-15','1799-07-19'); CREATE TABLE Artifacts (ArtifactID INT PRIMARY KEY,Name VARCHAR(255),SiteID INT,DateFound DATE,Description TEXT); INSERT INTO Artifacts (ArtifactID,Name,SiteID,DateFound,Description) VALUES (5,'Rosetta Stone',4,'1799-07-16','Stone slab inscribed with three versions of a decree issued at Memphis'); | DELETE FROM Artifacts WHERE SiteID = 4; DELETE FROM ExcavationSites WHERE SiteID = 4; |
Delete all records of customers from 'Africa' region. | CREATE TABLE customers (id INT,name VARCHAR(100),region VARCHAR(50),assets_value FLOAT); INSERT INTO customers (id,name,region,assets_value) VALUES (1,'Oluwatobi Adebayo','Africa',300000.00); | DELETE FROM customers WHERE region = 'Africa'; |
What is the average temperature trend in France over the past 5 years, based on historical IoT sensor data? | CREATE TABLE weather_data (location VARCHAR(255),date DATE,temperature FLOAT); INSERT INTO weather_data (location,date,temperature) VALUES ('France','2017-01-01',4.2),('France','2017-01-02',4.5),('France','2018-01-01',3.9),('France','2018-01-02',4.1),('France','2019-01-01',3.7),('France','2019-01-02',3.8),('France','2020-01-01',4.0),('France','2020-01-02',4.3); | SELECT AVG(temperature) FROM (SELECT temperature FROM weather_data WHERE location = 'France' AND date BETWEEN '2017-01-01' AND '2021-12-31' GROUP BY YEAR(date)) AS subquery; |
What was the maximum number of attendees at events in the Midwest region in 2021? | CREATE TABLE EventAttendance (event_id INT,region VARCHAR(50),attendees INT,event_date DATE); INSERT INTO EventAttendance (event_id,region,attendees,event_date) VALUES (200,'Midwest',500,'2021-01-01'),(201,'Midwest',600,'2021-02-01'),(202,'West',400,'2021-01-01'); | SELECT MAX(attendees) FROM EventAttendance WHERE region = 'Midwest' AND YEAR(event_date) = 2021; |
Which spacecraft have been used in the most space missions? | CREATE TABLE spacecraft_missions (id INT PRIMARY KEY,spacecraft_name VARCHAR(50),mission_name VARCHAR(50)); | SELECT spacecraft_name, COUNT(*) as num_missions FROM spacecraft_missions GROUP BY spacecraft_name ORDER BY num_missions DESC; |
What is the number of female founders in each industry? | CREATE TABLE founders (founder_id INT,company_id INT,gender VARCHAR(10)); CREATE TABLE companies (company_id INT,industry VARCHAR(255)); INSERT INTO founders (founder_id,company_id,gender) VALUES (1,1,'Female'),(2,2,'Male'),(3,3,'Female'),(4,4,'Female'); INSERT INTO companies (company_id,industry) VALUES (1,'Tech'),(2,'Healthcare'),(3,'Tech'),(4,'Healthcare'); | SELECT industry, COUNT(f.founder_id) as num_female_founders FROM founders f JOIN companies c ON f.company_id = c.company_id WHERE f.gender = 'Female' GROUP BY industry; |
What is the total investment in bioprocess engineering by month in 2021? | CREATE TABLE bioprocess(id INT,investment VARCHAR(50),date DATE,amount DECIMAL(10,2)); INSERT INTO bioprocess VALUES (1,'InvestmentA','2021-04-15',2000000.00),(2,'InvestmentB','2021-06-30',1500000.00),(3,'InvestmentC','2021-02-28',2500000.00); | SELECT EXTRACT(MONTH FROM date), SUM(amount) FROM bioprocess GROUP BY EXTRACT(MONTH FROM date); |
Show the client_name and case_outcome for all cases in the 'civil' table | CREATE TABLE civil (case_id INT,client_name VARCHAR(50),case_type VARCHAR(20),case_outcome VARCHAR(20),case_date DATE); INSERT INTO civil (case_id,client_name,case_type,case_outcome,case_date) VALUES (7,'Alice Davis','traffic','settled','2021-02-22'); | SELECT client_name, case_outcome FROM civil; |
Which vessels have been inspected in the last month? | CREATE TABLE Vessel (vessel_id INT,name VARCHAR(255),type VARCHAR(255),max_speed DECIMAL(5,2)); CREATE TABLE Inspection (inspection_id INT,vessel_id INT,inspection_time TIMESTAMP); INSERT INTO Vessel (vessel_id,name,type,max_speed) VALUES (1,'Test Vessel 1','Cargo',20.5),(2,'Test Vessel 2','Tanker',15.2); INSERT INTO Inspection (inspection_id,vessel_id,inspection_time) VALUES (1,1,'2022-01-01 12:00:00'),(2,2,'2022-01-15 10:00:00'),(3,1,'2022-02-01 09:00:00'); | SELECT v.vessel_id, v.name FROM Vessel v INNER JOIN Inspection i ON v.vessel_id = i.vessel_id WHERE i.inspection_time >= NOW() - INTERVAL '1 month'; |
Update the 'climate_pledges' table by setting 'status' to 'active' for all records where 'country' is 'India' | CREATE TABLE climate_pledges (id INT,country VARCHAR(255),status VARCHAR(255)); | UPDATE climate_pledges SET status = 'active' WHERE country = 'India'; |
Add a new record for a patient from Texas who received group therapy. | CREATE TABLE patients (id INT,name TEXT,state TEXT);CREATE TABLE treatments (id INT,patient_id INT,therapy TEXT); | INSERT INTO patients (id, name, state) VALUES (1, 'Maria Rodriguez', 'Texas');INSERT INTO treatments (id, patient_id, therapy) VALUES (1, 1, 'Group Therapy'); |
How many total donations were made by 'local_communities' in the 'community_support' table? | CREATE TABLE community_support (donation_id INT,community VARCHAR(50),amount DECIMAL(10,2),donation_date DATE); INSERT INTO community_support (donation_id,community,amount,donation_date) VALUES (1,'Hopeful Hearts Local Community',150.00,'2021-01-01'),(2,'United Neighbors (humanitarian aid)',200.00,'2021-02-01'); | SELECT SUM(amount) FROM community_support WHERE community LIKE '%local community%'; |
What is the total number of employees in factories that use renewable energy? | CREATE TABLE RenewableEnergyFactories (id INT,num_employees INT); | select sum(num_employees) from RenewableEnergyFactories; |
Calculate the average temperature for the last 7 days for 'field6'. | CREATE TABLE field6 (date DATE,temperature FLOAT); INSERT INTO field6 (date,temperature) VALUES ('2021-10-20',15.2),('2021-10-21',16.1),('2021-10-22',17.3); | SELECT AVG(temperature) FROM field6 WHERE date >= (CURRENT_DATE - INTERVAL '7 days'); |
What is the average viewership for each artist's music videos? | CREATE TABLE Music_Videos (artist VARCHAR(255),viewership INT); INSERT INTO Music_Videos (artist,viewership) VALUES ('Artist1',10000000),('Artist2',15000000),('Artist3',20000000),('Artist4',12000000),('Artist5',18000000); | SELECT artist, AVG(viewership) FROM Music_Videos GROUP BY artist; |
Compare the number of high and medium severity vulnerabilities found in the last quarter for web and desktop applications. | CREATE TABLE vulnerabilities (id INT,app_type VARCHAR(10),severity VARCHAR(10),timestamp TIMESTAMP); | SELECT app_type, severity, COUNT(*) as total FROM vulnerabilities WHERE severity IN ('high', 'medium') AND timestamp >= NOW() - INTERVAL 3 MONTH GROUP BY app_type, severity; |
What is the total value of defense contracts awarded to companies in the aerospace industry in the last fiscal year? | CREATE TABLE defense_contracts (contract_id INT,contract_date DATE,contract_value DECIMAL(10,2),contractor TEXT,industry TEXT); | SELECT SUM(contract_value) FROM defense_contracts WHERE industry = 'aerospace' AND contract_date >= DATE_SUB(CURRENT_DATE, INTERVAL 1 YEAR) AND contract_date < DATE_SUB(CURRENT_DATE, INTERVAL 1 YEAR - INTERVAL 1 DAY); |
What is the total number of healthcare providers in rural areas of Alaska, serving more than 500 patients? | CREATE TABLE provider (provider_id INT,name VARCHAR(50),location VARCHAR(20),patients_served INT); INSERT INTO provider (provider_id,name,location,patients_served) VALUES (1,'Rural Provider A','Alaska',700); INSERT INTO provider (provider_id,name,location,patients_served) VALUES (2,'Rural Provider B','Alaska',300); INSERT INTO provider (provider_id,name,location,patients_served) VALUES (3,'Urban Provider A','California',800); | SELECT location, COUNT(*) FROM provider WHERE patients_served > 500 AND location = 'Alaska' GROUP BY location; |
What is the total number of primary care physicians and pediatricians in the database? | CREATE TABLE Providers (ID INT,Name TEXT,Specialty TEXT); INSERT INTO Providers (ID,Name,Specialty) VALUES (1,'Dr. A','Primary Care'); INSERT INTO Providers (ID,Name,Specialty) VALUES (2,'Dr. B','Pediatrics'); | SELECT COUNT(*) FROM Providers WHERE Specialty = 'Primary Care' UNION SELECT COUNT(*) FROM Providers WHERE Specialty = 'Pediatrics'; |
What is the name of the manufacturer for the latest unmanned aerial vehicle (UAV) in the 'military_tech' table? | CREATE TABLE military_tech (code INT,name VARCHAR(50),type VARCHAR(50),manufacturer VARCHAR(50),last_updated TIMESTAMP); | SELECT manufacturer FROM military_tech WHERE type = 'UAV' AND last_updated = (SELECT MAX(last_updated) FROM military_tech WHERE type = 'UAV'); |
List the number of sustainable hotels in each country that have more than 150 reviews. | CREATE TABLE sustainable_hotels (id INT,name TEXT,country TEXT,reviews INT); INSERT INTO sustainable_hotels (id,name,country,reviews) VALUES (1,'Eco-Hotel','Germany',180),(2,'Green-Lodge','Germany',120),(3,'Nature-Resort','Italy',200); | SELECT country, COUNT(*) as hotel_count FROM sustainable_hotels WHERE reviews > 150 GROUP BY country; |
What is the average mobile data usage in GB per customer in the Southeast Asia region for the past year? | CREATE TABLE subscribers (id INT,service VARCHAR(10),region VARCHAR(20)); INSERT INTO subscribers (id,service,region) VALUES (1,'mobile','Southeast Asia'),(2,'broadband','Southeast Asia'); CREATE TABLE usage (subscriber_id INT,data_usage FLOAT,year INT); INSERT INTO usage (subscriber_id,data_usage,year) VALUES (1,12.5,2022),(1,13.0,2021),(1,11.5,2020),(2,550,2022),(2,555,2021),(2,550,2020); | SELECT AVG(usage.data_usage/1024/1024/1024) FROM usage JOIN subscribers ON usage.subscriber_id = subscribers.id WHERE subscribers.service = 'mobile' AND subscribers.region = 'Southeast Asia' AND usage.year BETWEEN 2021 AND 2022; |
Which indigenous communities are affected by the decline in caribou populations? | CREATE TABLE caribou_data (id INT,community VARCHAR(255),population INT); INSERT INTO caribou_data (id,community,population) VALUES (1,'Gwich’in',1000),(2,'Inuit',800); CREATE TABLE community_data (id INT,community VARCHAR(255),population INT); INSERT INTO community_data (id,community,population) VALUES (1,'Gwich’in',3000),(2,'Inuit',5000); | SELECT a.community FROM caribou_data a JOIN community_data b ON a.community = b.community WHERE a.population < b.population; |
What is the minimum size (in square kilometers) of a habitat for animals in the 'habitats' table that are not mammals? | CREATE TABLE habitats (id INT,animal_type VARCHAR(50),size_km FLOAT); INSERT INTO habitats (id,animal_type,size_km) VALUES (1,'Mammal',45.1),(2,'Reptile',25.1); | SELECT MIN(size_km) FROM habitats WHERE animal_type != 'Mammal'; |
What was the average donation amount per donor for donations made in 2022? | CREATE TABLE donors (id INT,donor_name VARCHAR(50),donation_amount DECIMAL(10,2),donation_date DATE); INSERT INTO donors (id,donor_name,donation_amount,donation_date) VALUES (4,'Jamie Smith',120.00,'2022-01-05'),(5,'Ali Hassan',180.00,'2022-02-20'),(6,'Park Soo-jin',220.00,'2022-03-12'); | SELECT AVG(donation_amount) as average_donation_amount FROM donors WHERE donation_date BETWEEN '2022-01-01' AND '2022-12-31'; |
What was the total cost of bridge construction projects in 'Texas' in 2018? | CREATE TABLE bridge_construction (id INT,project_name TEXT,location TEXT,cost INT,completion_date DATE); INSERT INTO bridge_construction (id,project_name,location,cost,completion_date) VALUES (1,'Houston Tunnel','Texas',12000000,'2018-08-25'); INSERT INTO bridge_construction (id,project_name,location,cost,completion_date) VALUES (2,'Dallas Overpass','Texas',9000000,'2018-12-11'); | SELECT SUM(cost) FROM bridge_construction WHERE location = 'Texas' AND YEAR(completion_date) = 2018; |
What are the names and ages of volunteers who made donations greater than $200? | CREATE TABLE Volunteers (id INT,name TEXT,age INT); CREATE TABLE Donations (id INT,volunteer_id INT,amount FLOAT); INSERT INTO Volunteers (id,name,age) VALUES (1,'Fatima',35),(2,'Jakub',40); INSERT INTO Donations (id,volunteer_id,amount) VALUES (1,1,300.0),(2,2,150.0); | SELECT Volunteers.name, Volunteers.age FROM Volunteers INNER JOIN Donations ON Volunteers.id = Donations.volunteer_id WHERE Donations.amount > 200.0; |
Calculate the total habitat depth for all marine species. | CREATE TABLE species (id INT,name VARCHAR(50),habitat_type VARCHAR(50),habitat_depth FLOAT); | SELECT SUM(habitat_depth) FROM species; |
Calculate the total quantity of products in all categories | CREATE TABLE products (product_id INT,category VARCHAR(20),quantity INT); INSERT INTO products (product_id,category,quantity) VALUES (1,'apparel',50),(2,'accessories',70),(3,'home_decor',40),(4,'electronics',600),(5,'grocery',60),(6,'toys',30),(7,'furniture',150); | SELECT SUM(quantity) FROM products; |
Count the number of investment strategies for each risk level. | CREATE TABLE investment_strategies (strategy_id INT,ESG_score FLOAT,risk_level INT); INSERT INTO investment_strategies (strategy_id,ESG_score,risk_level) VALUES (101,86.2,3),(102,78.9,5),(103,88.7,2),(104,65.1,1); | SELECT risk_level, COUNT(*) FROM investment_strategies GROUP BY risk_level; |
Who is the oldest artist in the database? | CREATE TABLE Artists (id INT,name TEXT,gender TEXT,birth_date DATE); INSERT INTO Artists VALUES (1,'Leonardo da Vinci','Male','1452-04-15'); INSERT INTO Artists VALUES (2,'Michelangelo','Male','1475-03-06'); INSERT INTO Artists VALUES (3,'Artemisia Gentileschi','Female','1593-07-08'); | SELECT name, MAX(birth_date) as birth_date FROM Artists; |
How many marine species are impacted by ocean acidification? | CREATE TABLE ocean_acidification_impact (species_id INTEGER,species_name VARCHAR(255),impact VARCHAR(50)); | SELECT COUNT(species_id) FROM ocean_acidification_impact WHERE impact IS NOT NULL; |
What is the financial capability score distribution across different age groups? | CREATE TABLE financial_capability (id INT,age_group VARCHAR(50),score FLOAT); INSERT INTO financial_capability (id,age_group,score) VALUES (1,'18-24',6.5),(2,'25-34',7.2),(3,'35-44',8.0),(4,'45-54',8.5),(5,'55-64',7.8),(6,'65+',7.0); | SELECT age_group, AVG(score) as avg_score, STDDEV(score) as std_dev FROM financial_capability GROUP BY age_group; |
Insert new records into the community table | CREATE TABLE community(id INT,name VARCHAR(255),population INT,language VARCHAR(255)); | INSERT INTO community (id, name, population, language) VALUES (1, 'Inuit', 80000, 'Inuktitut'); INSERT INTO community (id, name, population, language) VALUES (2, 'Sami', 80000, 'Northern Sami'); |
What is the total revenue generated by Latin music genres in 2021? | CREATE TABLE Sales (SaleID int,Genre varchar(50),SalesDate date,Revenue decimal(10,2)); INSERT INTO Sales VALUES (1,'Latin Pop','2021-01-01',5000); INSERT INTO Sales VALUES (2,'Reggaeton','2021-02-01',7000); INSERT INTO Sales VALUES (3,'Salsa','2021-03-01',6000); | SELECT SUM(Revenue) as TotalRevenue FROM Sales WHERE Genre like 'Latin%' AND YEAR(SalesDate) = 2021; |
Identify the number of workers per sustainable material used in projects | CREATE TABLE labor_statistics (id INT PRIMARY KEY,project_id INT,workers_count INT,FOREIGN KEY (project_id) REFERENCES project(id)); INSERT INTO labor_statistics (id,project_id,workers_count) VALUES (1,1,50); | SELECT sm.material_name, AVG(l.workers_count) AS avg_workers_count FROM labor_statistics l INNER JOIN project p ON l.project_id = p.id INNER JOIN building_permit bp ON p.id = bp.project_id INNER JOIN sustainable_material sm ON bp.id = sm.permit_id WHERE sm.material_name IN ('Recycled Steel', 'Bamboo Flooring') GROUP BY sm.material_name; |
What is the maximum landfill capacity in the state of California? | CREATE TABLE landfill_capacity (state VARCHAR(2),capacity INT); INSERT INTO landfill_capacity (state,capacity) VALUES ('CA',1500000),('NY',1200000),('NJ',1000000); | SELECT MAX(capacity) FROM landfill_capacity WHERE state = 'CA'; |
Which projects have contracts starting in the first quarter of 2024? | CREATE TABLE contracts (id INT PRIMARY KEY,project_id INT,contract_start_date DATE,contract_end_date DATE); INSERT INTO contracts (id,project_id,contract_start_date,contract_end_date) VALUES (1,1,'2024-01-01','2026-12-31'); | SELECT project_id FROM contracts WHERE contract_start_date BETWEEN '2024-01-01' AND '2024-03-31'; |
List all states that do not have any community health workers. | CREATE TABLE state_health_equity (state VARCHAR(2),num_community_health_workers INT); INSERT INTO state_health_equity (state,num_community_health_workers) VALUES ('NY',10),('CA',5),('TX',0); CREATE VIEW community_health_workers_by_state AS SELECT state,COUNT(*) FROM community_health_workers GROUP BY state; | SELECT state FROM state_health_equity WHERE num_community_health_workers = 0 INTERSECT SELECT state FROM community_health_workers_by_state; |
Delete all records from the 'equipment_inventory' table where the quantity is 0. | CREATE TABLE equipment_inventory (id INT,type VARCHAR(50),quantity INT); INSERT INTO equipment_inventory (id,type,quantity) VALUES (1,'Drilling Machine',15); INSERT INTO equipment_inventory (id,type,quantity) VALUES (2,'Excavator',8); INSERT INTO equipment_inventory (id,type,quantity) VALUES (3,'Bulldozer',5); INSERT INTO equipment_inventory (id,type,quantity) VALUES (4,'Dump Truck',0); | DELETE FROM equipment_inventory WHERE quantity = 0; |
What is the average energy consumption per smart city? | CREATE TABLE smart_cities (city_name TEXT,energy_consumption FLOAT); INSERT INTO smart_cities VALUES ('CityA',500.0),('CityB',700.0),('CityC',300.0); | SELECT AVG(energy_consumption) FROM smart_cities; |
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