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What is the total area of all wildlife habitats in hectares? | CREATE TABLE habitat (id INT,name VARCHAR(255),area_ha INT); INSERT INTO habitat (id,name,area_ha) VALUES (1,'Habitat1',5000),(2,'Habitat2',7000),(3,'Habitat3',6000); | SELECT SUM(area_ha) FROM habitat; |
What is the total number of military personnel in the 'Army' table? | CREATE TABLE Army (id INT,name VARCHAR(50),rank VARCHAR(20),region VARCHAR(20),num_personnel INT); INSERT INTO Army (id,name,rank,region,num_personnel) VALUES (1,'John Doe','Colonel','Europe',500); | SELECT SUM(num_personnel) FROM Army; |
How many cultural heritage sites in Italy have more than 5,000 annual visitors? | CREATE TABLE cultural_heritage (id INT,site VARCHAR(50),country VARCHAR(20),annual_visitors INT); INSERT INTO cultural_heritage (id,site,country,annual_visitors) VALUES (1,'Colosseum','Italy',6000),(2,'Leaning Tower of Pisa','Italy',4000),(3,'Roman Forum','Italy',5500); | SELECT COUNT(*) FROM cultural_heritage WHERE country = 'Italy' GROUP BY country HAVING SUM(annual_visitors) > 5000; |
What is the total number of shared bikes and e-scooters in San Francisco? | CREATE TABLE ride_sharing (id INT,vehicle VARCHAR(20),city VARCHAR(20)); INSERT INTO ride_sharing (id,vehicle,city) VALUES (1,'bike','San Francisco'),(2,'e-scooter','San Francisco'); | SELECT SUM(CASE WHEN vehicle IN ('bike', 'e-scooter') THEN 1 ELSE 0 END) FROM ride_sharing WHERE city = 'San Francisco'; |
List all companies that have a 'recycling' program and their corresponding program start dates. | CREATE TABLE companies (company_id INT,name VARCHAR(30),recycling_program BOOLEAN,recycling_program_start_date DATE); | SELECT companies.name, companies.recycling_program_start_date FROM companies WHERE companies.recycling_program = TRUE; |
Calculate the total sustainable sourcing cost per location. | CREATE TABLE Locations (Location_ID INT,Location_Name TEXT); INSERT INTO Locations (Location_ID,Location_Name) VALUES (1,'Location1'),(2,'Location2'); CREATE TABLE Sustainable_Sourcing (Source_ID INT,Location_ID INT,Cost DECIMAL); INSERT INTO Sustainable_Sourcing (Source_ID,Location_ID,Cost) VALUES (1,1,100.00),(2,1,200.00),(3,2,300.00),(4,2,400.00); | SELECT L.Location_Name, SUM(SS.Cost) as Total_Sustainable_Cost FROM Sustainable_Sourcing SS JOIN Locations L ON SS.Location_ID = L.Location_ID GROUP BY L.Location_Name; |
What is the number of policies and total claim amount for policyholders in 'CO'? | CREATE TABLE Policyholders (PolicyID INT,PolicyholderName TEXT,State TEXT); INSERT INTO Policyholders (PolicyID,PolicyholderName,State) VALUES (1,'John Smith','CO'),(2,'Jane Doe','NY'); CREATE TABLE Claims (ClaimID INT,PolicyID INT,ClaimAmount INT); INSERT INTO Claims (ClaimID,PolicyID,ClaimAmount) VALUES (1,1,5000),(2,1,3000),(3,2,7000); | SELECT COUNT(Policyholders.PolicyID) AS NumPolicies, SUM(Claims.ClaimAmount) AS TotalClaimAmount FROM Policyholders INNER JOIN Claims ON Policyholders.PolicyID = Claims.PolicyID WHERE Policyholders.State = 'CO'; |
List all artworks in the 'Surrealism' genre, along with the name of the artist who created each artwork. | CREATE TABLE Artwork (artwork_id INT,artwork_name VARCHAR(30),genre VARCHAR(20),artist_id INT); CREATE TABLE Artist (artist_id INT,artist_name VARCHAR(30)); | SELECT Artwork.artwork_name, Artist.artist_name FROM Artwork INNER JOIN Artist ON Artwork.artist_id = Artist.artist_id WHERE Artwork.genre = 'Surrealism'; |
Insert new records into the Policyholders, LifeInsurance, and HealthInsurance tables for a new policyholder who lives in California. | CREATE TABLE Policyholders (PolicyholderID INT,Name VARCHAR(50),Address VARCHAR(100),State VARCHAR(2)); CREATE TABLE LifeInsurance (PolicyholderID INT,PolicyType VARCHAR(50)); CREATE TABLE HealthInsurance (PolicyholderID INT,PolicyType VARCHAR(50)); | INSERT INTO Policyholders (PolicyholderID, Name, Address, State) VALUES (5, 'Maria Garcia', '910 Olive Ave', 'CA'); INSERT INTO LifeInsurance (PolicyholderID, PolicyType) VALUES (5, 'Whole Life'); INSERT INTO HealthInsurance (PolicyholderID, PolicyType) VALUES (5, 'PPO'); |
Number of renewable energy projects in Latin America | CREATE TABLE renewable_energy_projects (id INT,project_name VARCHAR(255),country VARCHAR(255),technology VARCHAR(255),start_date DATE,end_date DATE); | SELECT COUNT(*) FROM renewable_energy_projects WHERE country IN ('Brazil', 'Colombia', 'Argentina', 'Chile', 'Peru') AND technology != 'Fossil'; |
How many garments are made of hemp in India? | CREATE TABLE production (id INT,garment_id INT,country VARCHAR(255),material VARCHAR(255)); INSERT INTO production (id,garment_id,country,material) VALUES | SELECT COUNT(*) FROM production WHERE material = 'Hemp' AND country = 'India'; |
Calculate the average number of cases per court in the justice system | CREATE TABLE courts (court_id INT,court_name VARCHAR(255),PRIMARY KEY (court_id)); CREATE TABLE court_cases (court_id INT,case_id INT,PRIMARY KEY (court_id,case_id),FOREIGN KEY (court_id) REFERENCES courts(court_id),FOREIGN KEY (case_id) REFERENCES cases(case_id)); INSERT INTO courts (court_id,court_name) VALUES (1,'Court 1'),(2,'Court 2'),(3,'Court 3'); INSERT INTO court_cases (court_id,case_id) VALUES (1,1),(1,2),(2,3),(3,4); | SELECT AVG(cc.court_id) FROM courts c INNER JOIN court_cases cc ON c.court_id = cc.court_id; |
Vendors with the highest quantity of organic food sold | CREATE TABLE Vendor (VendorID INT,VendorName VARCHAR(50),FarmID INT); INSERT INTO Vendor (VendorID,VendorName,FarmID) VALUES (1,'EcoMarket',1),(2,'NaturalHarvest',2),(3,'GreenBasket',1); CREATE TABLE Sales (VendorID INT,ItemID INT,Quantity INT); INSERT INTO Sales (VendorID,ItemID,Quantity) VALUES (1,1,500),(2,2,700),(3,1,600); | SELECT v.VendorName, SUM(s.Quantity) FROM Vendor v INNER JOIN Sales s ON v.VendorID = s.VendorID INNER JOIN OrganicFarm f ON v.FarmID = f.FarmID GROUP BY v.VendorName ORDER BY SUM(s.Quantity) DESC; |
Update the name of the record with id 7 in the table "marine_protected_areas" to 'Coral Reefs' | CREATE TABLE marine_protected_areas (id INT,name VARCHAR(50),size FLOAT,country VARCHAR(50)); | UPDATE marine_protected_areas SET name = 'Coral Reefs' WHERE id = 7; |
Which biosensors were developed in '2021'? | CREATE TABLE Biosensor (biosensor_id INT,name TEXT,year INT); INSERT INTO Biosensor (biosensor_id,name,year) VALUES (1,'BS1',2019),(2,'BS2',2021),(3,'BS3',2018); | SELECT name FROM Biosensor WHERE year = 2021; |
What is the total donation amount for each organization in the 'Donations' and 'Organizations' tables? | CREATE TABLE Donations (donation_id INT,org_id INT,donation_amount DECIMAL(10,2)); | SELECT O.name, SUM(D.donation_amount) FROM Donations D INNER JOIN Organizations O ON D.org_id = O.org_id GROUP BY O.name; |
What is the maximum number of goals scored by a single player in a game in each of the last five seasons in the Premier League? | CREATE TABLE premier_league_seasons (season_id INT,season_start_date DATE,season_end_date DATE); CREATE TABLE premier_league_games (game_id INT,season_id INT,home_team VARCHAR(100),away_team VARCHAR(100),home_team_goals INT,away_team_goals INT); | SELECT s.season_start_date, MAX(g.home_team_goals) as max_goals FROM premier_league_seasons s JOIN premier_league_games g ON s.season_id = g.season_id WHERE s.season_id >= (SELECT MAX(season_id) - 5) GROUP BY s.season_start_date; |
What are the names and locations of all whale sanctuaries? | CREATE TABLE whale_sanctuaries (name VARCHAR(255),location VARCHAR(255)); INSERT INTO whale_sanctuaries (name,location) VALUES ('SSS','North Atlantic'); | SELECT name, location FROM whale_sanctuaries |
How many patients participated in clinical trial 'Trial-A' for drug 'ABC-456'? | CREATE TABLE clinical_trials (trial_name TEXT,drug_name TEXT,patient_count INT); INSERT INTO clinical_trials (trial_name,drug_name,patient_count) VALUES ('Trial-A','ABC-456',200),('Trial-B','DEF-789',300); | SELECT patient_count FROM clinical_trials WHERE trial_name = 'Trial-A' AND drug_name = 'ABC-456'; |
What is the total number of unions in the 'Africa' region with 'Craft' as their union type? | CREATE TABLE Labor_Unions (id INT,union_type VARCHAR(20),region VARCHAR(20)); INSERT INTO Labor_Unions (id,union_type,region) VALUES (1,'Craft','Africa'),(2,'Professional','Americas'),(3,'Craft','Europe'),(4,'Industrial','Asia'); | SELECT COUNT(*) FROM Labor_Unions WHERE union_type = 'Craft' AND region = 'Africa'; |
What is the maximum number of military satellites owned by each country? | CREATE TABLE countries (id INT,name VARCHAR(255)); CREATE TABLE military_satellites (id INT,country_id INT,number INT); | SELECT c.name, MAX(ms.number) as max_satellites FROM countries c JOIN military_satellites ms ON c.id = ms.country_id GROUP BY c.id; |
Delete all records from the 'stations' table where the 'station_type' is 'Underground' | CREATE TABLE stations (station_id INT,station_name VARCHAR(50),station_type VARCHAR(20)); INSERT INTO stations (station_id,station_name,station_type) VALUES (1,'StationA','Underground'),(2,'StationB','Overground'),(3,'StationC','Underground'); | DELETE FROM stations WHERE station_type = 'Underground'; |
What is the total revenue for the 'Vegan Dishes' category? | CREATE TABLE menus (id INT,name VARCHAR(255),category VARCHAR(255),price DECIMAL(5,2)); INSERT INTO menus (id,name,category,price) VALUES (1,'Veggie Burger','Vegan Dishes',8.99),(2,'Chickpea Curry','Vegan Dishes',10.99),(3,'Tofu Stir Fry','Vegan Dishes',12.49); | SELECT SUM(price) FROM menus WHERE category = 'Vegan Dishes'; |
What is the total revenue for each game in the 'action' genre? | CREATE TABLE games (id INT,name VARCHAR(100),genre VARCHAR(50),revenue FLOAT); INSERT INTO games (id,name,genre,revenue) VALUES (1,'GameA','action',5000000),(2,'GameB','rpg',7000000),(3,'GameC','action',8000000); | SELECT genre, SUM(revenue) FROM games WHERE genre = 'action' GROUP BY genre; |
How many volunteers engaged in each program in Q1 2021? | CREATE TABLE Volunteers (id INT,volunteer VARCHAR(50),program VARCHAR(50),hours FLOAT,volunteer_date DATE); INSERT INTO Volunteers (id,volunteer,program,hours,volunteer_date) VALUES (1,'Alice','Education',10,'2021-01-01'); INSERT INTO Volunteers (id,volunteer,program,hours,volunteer_date) VALUES (2,'Bob','Environment',15,'2021-02-01'); | SELECT program, COUNT(DISTINCT volunteer) as num_volunteers FROM Volunteers WHERE QUARTER(volunteer_date) = 1 AND YEAR(volunteer_date) = 2021 GROUP BY program; |
What is the average productivity of workers per mineral? | CREATE TABLE worker_productivity (worker_id INT,worker_name TEXT,mineral TEXT,productivity DECIMAL); INSERT INTO worker_productivity (worker_id,worker_name,mineral,productivity) VALUES (1,'John','Gold',5.0),(2,'Jane','Gold',5.5),(3,'Bob','Silver',4.8),(4,'Alice','Silver',5.2),(5,'Charlie','Copper',4.5),(6,'David','Copper',4.7); | SELECT mineral, AVG(productivity) FROM worker_productivity GROUP BY mineral; |
What are the labor productivity metrics for mining in India and Russia in 2020? | CREATE TABLE LaborProductivity (Country VARCHAR(255),Year INT,Sector VARCHAR(255),Productivity DECIMAL(5,2)); INSERT INTO LaborProductivity (Country,Year,Sector,Productivity) VALUES ('India',2020,'Mining',40.00),('India',2020,'Mining',45.00),('Russia',2020,'Mining',55.00),('Russia',2020,'Mining',60.00); | SELECT Context.Country, Context.Productivity FROM LaborProductivity as Context WHERE Context.Year = 2020 AND Context.Sector = 'Mining' AND Context.Country IN ('India', 'Russia'); |
What are the names and locations of all dams in Washington state, along with their respective construction companies and the year they were constructed? | CREATE TABLE Dams (DamID INT,Name VARCHAR(255),State VARCHAR(255),Company VARCHAR(255),ConstructionYear INT); INSERT INTO Dams VALUES (1,'Dam A','Washington','DAMCON',1985); INSERT INTO Dams VALUES (2,'Dam B','Oregon','DAMCO',1990); INSERT INTO Dams VALUES (3,'Dam C','Washington','DAMS Inc.',1995); | SELECT Name, State, Company, ConstructionYear FROM Dams WHERE State = 'Washington'; |
Which performing arts event has the highest average attendance? | CREATE TABLE if not exists performing_arts_attendance (id INT,name VARCHAR(255),type VARCHAR(255),attendees INT); INSERT INTO performing_arts_attendance (id,name,type,attendees) VALUES (1,'Symphony','Performing Arts',250),(2,'Opera','Performing Arts',180),(3,'Ballet','Performing Arts',320),(4,'Theater','Performing Arts',150); | SELECT type, AVG(attendees) FROM performing_arts_attendance WHERE type = 'Performing Arts' GROUP BY type ORDER BY AVG(attendees) DESC LIMIT 1; |
What is the average conservation priority of marine species in the Southern Ocean? | CREATE TABLE species (name VARCHAR(255),conservation_priority FLOAT,region VARCHAR(255)); INSERT INTO species (name,conservation_priority,region) VALUES ('Krill',0.6,'Southern Ocean'),('Blue Whale',0.55,'Southern Ocean'),('Orca',0.5,'Southern Ocean'),('Seal',0.45,'Southern Ocean'),('Penguin',0.4,'Southern Ocean'); | SELECT AVG(conservation_priority) FROM species WHERE region = 'Southern Ocean'; |
What was the maximum donation amount from corporate donors in the Central region in 2022? | CREATE TABLE DonorContributions (donor_id INT,donation_amount DECIMAL(10,2),donation_date DATE,region VARCHAR(50),donor_type VARCHAR(50)); INSERT INTO DonorContributions (donor_id,donation_amount,donation_date,region,donor_type) VALUES (25,10000,'2022-01-01','Central','Corporate'),(26,12000,'2022-02-01','Central','Corporate'),(27,8000,'2022-03-01','Central','Individual'); | SELECT MAX(donation_amount) FROM DonorContributions WHERE region = 'Central' AND donation_date BETWEEN '2022-01-01' AND '2022-12-31' AND donor_type = 'Corporate'; |
What was the total budget allocated for environmental services in 2020, 2021, and 2022? | CREATE TABLE EnvBudget (Year INT,Amount INT); INSERT INTO EnvBudget (Year,Amount) VALUES (2020,1200000),(2021,1300000),(2022,1400000); | SELECT Year, SUM(Amount) FROM EnvBudget GROUP BY Year; |
What is the distribution of ESG ratings for companies in the technology sector? | CREATE TABLE companies (id INT,name TEXT,sector TEXT,ESG_rating FLOAT); INSERT INTO companies (id,name,sector,ESG_rating) VALUES (1,'Apple','Technology',8.2),(2,'Microsoft','Technology',8.5),(3,'Google','Technology',8.3),(4,'Amazon','Technology',7.9),(5,'Facebook','Technology',7.7); | SELECT sector, ESG_rating, COUNT(*) AS rating_count FROM companies GROUP BY sector, ESG_rating ORDER BY sector, ESG_rating; |
Locations with more than 1 renewable energy project | CREATE TABLE renewable_energy_projects (id INT,name VARCHAR(255),location VARCHAR(255),capacity FLOAT); INSERT INTO renewable_energy_projects (id,name,location,capacity) VALUES (1,'SolarFarm1','CityA',1000),(2,'WindFarm1','CityB',2000),(3,'SolarFarm2','CityA',1500),(4,'WindFarm2','CityB',2500),(5,'HydroPower1','CityC',3000); | SELECT location, COUNT(*) as num_projects FROM renewable_energy_projects GROUP BY location HAVING COUNT(*) > 1; |
What is the total landfill capacity in the province of Ontario in 2022? | CREATE TABLE landfill_capacity (province VARCHAR(255),year INT,capacity INT); INSERT INTO landfill_capacity (province,year,capacity) VALUES ('Ontario',2022,5000000); | SELECT SUM(capacity) FROM landfill_capacity WHERE province = 'Ontario' AND year = 2022; |
Identify the number of electric vehicles in Los Angeles per day. | CREATE TABLE la_evs (id INT,vehicle_type VARCHAR(20),registration_date DATE); | SELECT DATE(registration_date) AS registration_day, COUNT(*) FROM la_evs WHERE vehicle_type = 'electric' GROUP BY registration_day; |
Show the number of donors, total donation amount, and the average number of hours contributed by volunteers for each organization in the 'organizations' table. | CREATE TABLE donors (donor_id INT,donor_name TEXT,donation_amount DECIMAL,org_id INT); CREATE TABLE volunteers (volunteer_id INT,hours_contributed INT,org_id INT); CREATE TABLE organizations (org_id INT,org_name TEXT); | SELECT organizations.org_name, COUNT(donors.donor_id) as num_donors, SUM(donors.donation_amount) as total_donations, AVG(volunteers.hours_contributed) as avg_hours_contributed FROM donors INNER JOIN organizations ON donors.org_id = organizations.org_id INNER JOIN volunteers ON organizations.org_id = volunteers.org_id GROUP BY organizations.org_name; |
Find the total installed capacity (in MW) of Wind Farms in the region 'West' | CREATE TABLE wind_farms (id INT,name VARCHAR(100),region VARCHAR(10),capacity FLOAT); INSERT INTO wind_farms (id,name,region,capacity) VALUES (1,'Wind Farm A','West',150.5); INSERT INTO wind_farms (id,name,region,capacity) VALUES (2,'Wind Farm B','East',120.3); | SELECT SUM(capacity) FROM wind_farms WHERE region = 'West'; |
How many destinations are marketed by each destination marketing organization? | CREATE TABLE dmo (id INT,name TEXT,region TEXT); CREATE TABLE dmo_markets (id INT,dmo_id INT,destination TEXT); INSERT INTO dmo (id,name,region) VALUES (1,'Tourism Australia','Australia'),(2,'Japan National Tourism Organization','Japan'); INSERT INTO dmo_markets (id,dmo_id,destination) VALUES (1,1,'Sydney'),(2,1,'Melbourne'),(3,2,'Tokyo'),(4,2,'Osaka'); | SELECT dmo.name, COUNT(dmo_markets.destination) FROM dmo INNER JOIN dmo_markets ON dmo.id = dmo_markets.dmo_id GROUP BY dmo.name; |
What is the total biomass of marine life in the Indian Ocean? | CREATE TABLE marine_life (life_id INT,life_name VARCHAR(50),region VARCHAR(50),biomass INT); INSERT INTO marine_life (life_id,life_name,region) VALUES (1,'Shark','Indian Ocean'),(2,'Tuna','Indian Ocean'); | SELECT SUM(biomass) FROM marine_life WHERE region = 'Indian Ocean'; |
Update the viewership count for TV Show 'The Crown' to 12 million | CREATE TABLE tv_shows (id INT,title VARCHAR(100),viewership_count INT); INSERT INTO tv_shows (id,title,viewership_count) VALUES (1,'The Mandalorian',8000000); INSERT INTO tv_shows (id,title,viewership_count) VALUES (2,'The Crown',10000000); | UPDATE tv_shows SET viewership_count = 12000000 WHERE title = 'The Crown'; |
What is the total number of volunteers from underrepresented communities who engaged in 2022? | CREATE TABLE volunteers (volunteer_id INT,volunteer_name VARCHAR(50),volunteer_region VARCHAR(50),volunteer_hours DECIMAL(10,2),volunteer_date DATE); | SELECT COUNT(*) FROM volunteers WHERE YEAR(volunteer_date) = 2022 AND volunteer_region IN ('Indigenous', 'Latinx', 'Black', 'Asian Pacific Islander', 'LGBTQ+'); |
What is the minimum and maximum funding amount for startups founded by women in the AI sector? | CREATE TABLE startups(id INT,name TEXT,industry TEXT,founder_gender TEXT,funding FLOAT); INSERT INTO startups(id,name,industry,founder_gender,funding) VALUES (1,'WomenInAI','AI','Female',1000000); | SELECT MIN(funding), MAX(funding) FROM startups WHERE industry = 'AI' AND founder_gender = 'Female'; |
List all the cybersecurity strategies related to 'Risk Management' in the 'Cybersecurity' schema. | CREATE SCHEMA IF NOT EXISTS Cybersecurity; CREATE TABLE IF NOT EXISTS Cybersecurity.Cyber_Strategies (strategy_id INT,strategy_name VARCHAR(255),description TEXT); INSERT INTO Cybersecurity.Cyber_Strategies (strategy_id,strategy_name,description) VALUES (1,'NIST Cybersecurity Framework','Provides guidelines for managing cybersecurity risks'),(2,'CIS Critical Security Controls','Set of 20 actions to stop the most common cyber attacks'),(3,'ISO 27001/27002','Information security management system standard'); | SELECT * FROM Cybersecurity.Cyber_Strategies WHERE description LIKE '%Risk Management%'; |
How many new garment types have been introduced in the African market in the last 6 months? | CREATE TABLE garment_releases (id INT,garment_type VARCHAR(255),region VARCHAR(255),release_date DATE); INSERT INTO garment_releases (id,garment_type,region,release_date) VALUES (1,'Ankara Dress','Africa','2022-01-01'),(2,'Kente Cloth Pants','Africa','2022-02-01'),(3,'Dashiki Shirt','Africa','2022-03-01'); | SELECT COUNT(*) as num_new_garment_types FROM garment_releases WHERE region = 'Africa' AND release_date >= DATEADD(month, -6, CURRENT_TIMESTAMP); |
Show the number of unique vehicle types in the vehicles table, ordered from highest to lowest | CREATE TABLE vehicles (vehicle_id INT,vehicle_type VARCHAR(50)); INSERT INTO vehicles (vehicle_id,vehicle_type) VALUES (1000,'Bus'),(1001,'Tram'),(1002,'Bus'),(1003,'Tram'),(1004,'Trolleybus'); | SELECT COUNT(DISTINCT vehicle_type) FROM vehicles GROUP BY vehicle_type ORDER BY COUNT(DISTINCT vehicle_type) DESC; |
Count the number of vessels for each fuel type in the fleet | CREATE TABLE Vessels (Id INT,Name VARCHAR(50),FuelType VARCHAR(20)); INSERT INTO Vessels (Id,Name,FuelType) VALUES (1,'Vessel1','Diesel'),(2,'Vessel2','LNG'),(3,'Vessel3','Diesel'),(4,'Vessel4','Hydrogen'); | SELECT FuelType, COUNT(*) FROM Vessels GROUP BY FuelType; |
Delete all records from the 'oil_platforms' table where the water_depth_ft is greater than 4000 | CREATE TABLE oil_platforms (platform_id INT PRIMARY KEY,platform_name VARCHAR(255),water_depth_ft INT,operational_status VARCHAR(50)); | DELETE FROM oil_platforms WHERE water_depth_ft > 4000; |
Calculate the average claim amount for policyholders from Quebec who have a home or life insurance policy, and order the results by the average claim amount in ascending order. | CREATE TABLE Policyholder (PolicyholderID INT,State VARCHAR(255),PolicyType VARCHAR(255),ClaimAmount DECIMAL(10,2)); INSERT INTO Policyholder VALUES (1,'QC','Home',5000),(2,'NY','Home',7000),(3,'NJ','Auto',8000),(4,'CA','Life',6000),(5,'QC','Life',9000); | SELECT PolicyType, AVG(ClaimAmount) as AvgClaimAmount FROM Policyholder WHERE State = 'QC' AND PolicyType IN ('Home', 'Life') GROUP BY PolicyType ORDER BY AvgClaimAmount ASC; |
Number of mental health providers per 100,000 people in rural California? | CREATE TABLE mental_health_providers (id INT,state VARCHAR(20),rural BOOLEAN,population INT,providers INT); INSERT INTO mental_health_providers (id,state,rural,population,providers) VALUES (1,'California',true,1000000,800),(2,'California',false,2000000,1500),(3,'Oregon',true,500000,400); | SELECT (providers * 100000.0 / population) FROM mental_health_providers WHERE state = 'California' AND rural = true; |
How many pallets were shipped from each warehouse in the first quarter of 2022? | CREATE TABLE Warehouses (id INT,name VARCHAR(50)); INSERT INTO Warehouses (id,name) VALUES (1,'Seattle'),(2,'Toronto'),(3,'Mexico City'); CREATE TABLE Shipments (id INT,warehouse_id INT,pallets INT,shipment_date DATE); INSERT INTO Shipments (id,warehouse_id,pallets,shipment_date) VALUES (1,1,50,'2022-01-01'),(2,1,75,'2022-01-15'),(3,2,100,'2022-02-01'); | SELECT Warehouses.name, SUM(Shipments.pallets) AS total_pallets FROM Warehouses INNER JOIN Shipments ON Warehouses.id = Shipments.warehouse_id WHERE Shipments.shipment_date >= '2022-01-01' AND Shipments.shipment_date < '2022-04-01' GROUP BY Warehouses.name; |
What is the total number of animals rescued by each organization in the last 3 years? | CREATE TABLE animal_rescue_data (organization VARCHAR(255),year INT,animals_rescued INT); | SELECT organization, SUM(animals_rescued) FROM animal_rescue_data WHERE year BETWEEN 2020 AND 2022 GROUP BY organization; |
Identify top 2 most expensive gene sequencing costs in Germany. | CREATE TABLE gene_sequencing_costs (id INT,lab_name TEXT,country TEXT,cost FLOAT); INSERT INTO gene_sequencing_costs (id,lab_name,country,cost) VALUES (1,'Lab1','Germany',55000.0),(2,'Lab2','Germany',60000.0),(3,'Lab3','France',45000.0); | SELECT lab_name, cost FROM (SELECT lab_name, cost, RANK() OVER (ORDER BY cost DESC) as rank FROM gene_sequencing_costs WHERE country = 'Germany') sub WHERE rank <= 2; |
What is the median time to resolve cases using restorative justice methods? | CREATE TABLE Cases (ID INT,CaseNumber INT,DateOpened DATE,DateClosed DATE,Resolution VARCHAR(255)); INSERT INTO Cases (ID,CaseNumber,DateOpened,DateClosed,Resolution) VALUES (1,12345,'2022-01-01','2022-03-15','Restorative Justice'),(2,67890,'2022-02-15','2022-04-30','Trial'),(3,111213,'2022-03-28',NULL,'Mediation'); | SELECT AVG(DATEDIFF(DateClosed, DateOpened)) as MedianTimeToResolve FROM Cases WHERE Resolution = 'Restorative Justice' AND DateClosed IS NOT NULL; |
Show the number of records in the Inventory table where the warehouse_id is 101 | CREATE TABLE Inventory (item_id INT,item_name VARCHAR(50),quantity INT,warehouse_id INT); | SELECT COUNT(*) FROM Inventory WHERE warehouse_id = 101; |
What is the average temperature change in the Arctic Circle for each year, including the total number of measurements taken? | CREATE TABLE weather_data (measurement_id INT,measurement_date DATE,temperature FLOAT,location VARCHAR(50)); | SELECT AVG(temperature) AS avg_temperature_change, YEAR(measurement_date) AS year, COUNT(*) AS total_measurements FROM weather_data WHERE location LIKE '%Arctic Circle%' GROUP BY year; |
Delete defense contracts for 'Brazil' with status 'Expired' | CREATE TABLE defense_contracts (cont_id INT,cont_name VARCHAR(50),proj_id INT,cont_status VARCHAR(50),cont_end_date DATE); INSERT INTO defense_contracts (cont_id,cont_name,proj_id,cont_status,cont_end_date) VALUES (1,'Army Modernization',1,'Expired','2022-01-01'); | DELETE FROM defense_contracts WHERE cont_status = 'Expired' AND region = 'Brazil'; |
Insert a new record into the Turtles table for the Leatherback Turtle, with the ocean being the Atlantic Ocean and a population of 45000. | CREATE TABLE Turtles (Species VARCHAR(255),Ocean VARCHAR(255),Population INT); | INSERT INTO Turtles (Species, Ocean, Population) VALUES ('Leatherback Turtle', 'Atlantic Ocean', 45000); |
What is the total number of visitors who attended the 'Digital Art' exhibition and are from the USA? | CREATE TABLE Visitors (id INT,country VARCHAR(50),exhibition_id INT); CREATE TABLE Exhibitions (id INT,name VARCHAR(50)); INSERT INTO Exhibitions (id,name) VALUES (1,'Digital Art'); ALTER TABLE Visitors ADD FOREIGN KEY (exhibition_id) REFERENCES Exhibitions(id); | SELECT COUNT(*) FROM Visitors WHERE exhibition_id = 1 AND country = 'USA'; |
What is the average digital divide index for rural and urban areas? | CREATE TABLE Digital_Divide (area VARCHAR(50),region VARCHAR(50),index INT); INSERT INTO Digital_Divide (area,region,index) VALUES ('Rural','Africa',70),('Urban','Africa',50),('Rural','Asia',60),('Urban','Asia',40),('Rural','South America',50),('Urban','South America',30),('Rural','Europe',40),('Urban','Europe',20),('Rural','North America',30),('Urban','North America',10); | SELECT area, AVG(index) as avg_index FROM Digital_Divide GROUP BY area; |
What is the maximum popularity score for each category in the food trends table? | CREATE TABLE FoodTrends (product_id INT,product_name VARCHAR(255),category VARCHAR(100),popularity_score INT); INSERT INTO FoodTrends (product_id,product_name,category,popularity_score) VALUES (1,'Quinoa Salad','Organic',85),(2,'Chia Seeds','Vegan',90),(3,'Grass-Fed Beef','Sustainable',75); | SELECT category, MAX(popularity_score) FROM FoodTrends GROUP BY category; |
What is the maximum number of guests that can be accommodated in eco-friendly hotels in India? | CREATE TABLE Hotels (hotel_id INT,hotel_name TEXT,country TEXT,eco_friendly BOOLEAN,max_guests INT); INSERT INTO Hotels (hotel_id,hotel_name,country,eco_friendly,max_guests) VALUES (1,'Eco-Friendly Hotel Delhi','India',true,150); INSERT INTO Hotels (hotel_id,hotel_name,country,eco_friendly,max_guests) VALUES (2,'Green Hotel Mumbai','India',true,120); INSERT INTO Hotels (hotel_id,hotel_name,country,eco_friendly,max_guests) VALUES (3,'Regular Hotel Bangalore','India',false,200); | SELECT MAX(max_guests) FROM Hotels WHERE country = 'India' AND eco_friendly = true; |
What is the total quantity of fruits sold in the Midwest region? | CREATE TABLE Suppliers (SupplierID INT,SupplierName VARCHAR(50),Location VARCHAR(50)); INSERT INTO Suppliers (SupplierID,SupplierName,Location) VALUES (1,'Supplier A','Northeast'),(2,'Supplier B','Midwest'),(3,'Supplier C','Southwest'); CREATE TABLE Products (ProductID INT,ProductName VARCHAR(50),SupplierID INT,Category VARCHAR(50)); INSERT INTO Products (ProductID,ProductName,SupplierID,Category) VALUES (1,'Beef',1,'Meat'),(2,'Chicken',1,'Meat'),(3,'Apples',2,'Fruits'),(4,'Oranges',2,'Fruits'),(5,'Tofu',3,'Vegetables'),(6,'Carrots',3,'Vegetables'); CREATE TABLE Sales (SaleID INT,ProductID INT,Quantity INT); INSERT INTO Sales (SaleID,ProductID,Quantity) VALUES (1,1,10),(2,2,15),(3,3,20),(4,4,25),(5,5,30),(6,6,35); | SELECT SUM(Quantity) FROM Sales JOIN Products ON Sales.ProductID = Products.ProductID JOIN Suppliers ON Products.SupplierID = Suppliers.SupplierID WHERE Category = 'Fruits' AND Suppliers.Location = 'Midwest'; |
What's the average donation amount per donor in H1 2021? | CREATE TABLE donations (id INT,donor_id INT,donation_amount DECIMAL,donation_date DATE); | SELECT AVG(donation_amount) FROM (SELECT donation_amount, donor_id FROM donations WHERE donation_date >= '2021-01-01' AND donation_date < '2021-07-01' GROUP BY donor_id) AS donations_per_donor; |
What is the average financial wellbeing score for low-income households in Southeast Asia? | CREATE TABLE financial_wellbeing (id INT,household_id INT,region VARCHAR(255),score FLOAT); | SELECT AVG(score) FROM financial_wellbeing WHERE household_id <= 30000 AND region = 'Southeast Asia'; |
What is the average number of accommodations provided to students with learning disabilities per month in the past year? | CREATE TABLE accommodations (id INT,student_id INT,type TEXT,cost INT,date DATE); INSERT INTO accommodations (id,student_id,type,cost,date) VALUES (1,1,'extended time',200,'2022-01-01'); INSERT INTO accommodations (id,student_id,type,cost,date) VALUES (2,2,'note taker',500,'2022-02-01'); | SELECT AVG(COUNT(*)) FROM accommodations WHERE student_id IN (SELECT id FROM students WHERE disability = 'learning disability') AND date >= DATE_SUB(NOW(), INTERVAL 1 YEAR) GROUP BY MONTH(date); |
What is the average number of support programs provided to students with hearing impairments per provider? | CREATE TABLE SupportProgramsForHearingImpaired (ProgramID INT,ProviderName VARCHAR(50),DisabilityType VARCHAR(50)); | SELECT ProviderName, AVG(ProgramCount) FROM (SELECT ProviderName, COUNT(ProgramID) as ProgramCount FROM SupportProgramsForHearingImpaired WHERE DisabilityType = 'hearing impairment' GROUP BY ProviderName) as subquery GROUP BY ProviderName; |
What is the total number of workers represented by each union, including workers who are not union members? | CREATE TABLE workers (id INT,name TEXT,union_id INT,union_member BOOLEAN); INSERT INTO workers (id,name,union_id,union_member) VALUES (1,'John Doe',1,true),(2,'Jane Smith',1,false); CREATE TABLE unions (id INT,name TEXT,member_count INT); INSERT INTO unions (id,name,member_count) VALUES (1,'Union A',50); | SELECT u.name, COALESCE(SUM(w.union_member), 0) FROM unions u LEFT JOIN workers w ON u.id = w.union_id GROUP BY u.name; |
Show the top 3 cities with the most green building certifications. | CREATE TABLE city_certifications (city VARCHAR(20),certifications INT); INSERT INTO city_certifications (city,certifications) VALUES ('New York',500),('Los Angeles',300),('Chicago',400); | SELECT city, certifications FROM (SELECT city, certifications, RANK() OVER (ORDER BY certifications DESC) as rank FROM city_certifications) AS subquery WHERE rank <= 3; |
Find the average number of weeks patients with depression are hospitalized in France. | CREATE TABLE patients (patient_id INT,patient_name VARCHAR(50),condition VARCHAR(50),country VARCHAR(50),hospitalization_date DATE,discharge_date DATE); INSERT INTO patients (patient_id,patient_name,condition,country,hospitalization_date,discharge_date) VALUES (1,'Jean Dupont','Depression','France','2021-02-01','2021-02-14'); | SELECT AVG(DATEDIFF(day, patients.hospitalization_date, patients.discharge_date)/7.0) FROM patients WHERE patients.condition = 'Depression' AND patients.country = 'France'; |
Find the number of trees in each forest that are older than 50 years. | CREATE TABLE forests (id INT,name VARCHAR(255)); INSERT INTO forests (id,name) VALUES (1,'Forest A'),(2,'Forest B'); CREATE TABLE trees (id INT,forest_id INT,age INT); INSERT INTO trees (id,forest_id,age) VALUES (1,1,60),(2,1,45),(3,2,55),(4,2,30); | SELECT f.name, COUNT(t.id) FROM forests f JOIN trees t ON f.id = t.forest_id WHERE t.age > 50 GROUP BY f.name; |
Insert records into the table 'community_health_workers' | CREATE TABLE community_health_workers (id INT PRIMARY KEY,name VARCHAR(255),region VARCHAR(255),years_experience INT,cultural_competency_score INT); INSERT INTO community_health_workers (id,name,region,years_experience,cultural_competency_score) VALUES (1,'Ada Williams','Southeast',8,95),(2,'Brian Johnson','Midwest',5,80),(3,'Carla Garcia','West',12,90); INSERT INTO community_health_workers (id,name,region,years_experience,cultural_competency_score) VALUES (4,'Ella Jones','Northeast',6,85),(5,'Farhad Ahmed','South',10,93),(6,'Graciela Gutierrez','Central',11,94); | INSERT INTO community_health_workers (id, name, region, years_experience, cultural_competency_score) VALUES (7, 'Hee Jeong Lee', 'Northwest', 7, 87), (8, 'Ibrahim Hussein', 'East', 9, 96), (9, 'Jasmine Patel', 'Southwest', 8, 91); |
What is the minimum and maximum depth of all marine protected areas in the Atlantic Ocean? | CREATE TABLE marine_protected_areas_atlantic_ocean (area_name VARCHAR(255),min_depth DECIMAL(10,2),max_depth DECIMAL(10,2)); INSERT INTO marine_protected_areas_atlantic_ocean (area_name,min_depth,max_depth) VALUES ('Azores Nature Park',10.25,50.65),('Bermuda Park',50.65,100.20),('Galapagos Marine Reserve',15.00,300.00); | SELECT MIN(min_depth) AS min_depth, MAX(max_depth) AS max_depth FROM marine_protected_areas_atlantic_ocean; |
What is the renewable energy capacity for each city, ordered from the highest to the lowest? | CREATE TABLE CityEnergy (City VARCHAR(50),EnergyCapacity FLOAT,Renewable BOOLEAN); INSERT INTO CityEnergy (City,EnergyCapacity,Renewable) VALUES ('CityA',5000,TRUE),('CityB',3000,FALSE),('CityC',7000,TRUE); | SELECT City, EnergyCapacity FROM CityEnergy WHERE Renewable = TRUE ORDER BY EnergyCapacity DESC; |
How many users have engaged with posts from users in India in the last week? | CREATE TABLE users (id INT,name VARCHAR(50),country VARCHAR(50)); INSERT INTO users (id,name,country) VALUES (1,'John Doe','USA'),(2,'Jane Smith','India'); CREATE TABLE posts (id INT,user_id INT,timestamp DATETIME); INSERT INTO posts (id,user_id,timestamp) VALUES (1,1,'2022-01-01 12:00:00'),(2,1,'2022-01-02 14:00:00'),(3,2,'2022-01-03 10:00:00'),(4,2,'2022-01-04 16:00:00'),(5,2,'2022-01-05 18:00:00'); CREATE TABLE engagements (id INT,post_id INT,user_id INT,timestamp DATETIME); INSERT INTO engagements (id,post_id,user_id,timestamp) VALUES (1,1,2,'2022-01-01 13:00:00'),(2,2,1,'2022-01-02 15:00:00'),(3,3,2,'2022-01-04 11:00:00'),(4,4,1,'2022-01-05 19:00:00'),(5,5,2,'2022-01-06 13:00:00'); | SELECT COUNT(DISTINCT engagements.user_id) FROM engagements INNER JOIN posts ON engagements.post_id = posts.id INNER JOIN users AS post_users ON posts.user_id = post_users.id INNER JOIN users AS engagement_users ON engagements.user_id = engagement_users.id WHERE post_users.country = 'India' AND engagements.timestamp >= DATE_SUB(NOW(), INTERVAL 1 WEEK); |
Identify the regions with highest carbon sequestration in 2020. | CREATE TABLE carbon_sequestration (year INT,region VARCHAR(255),sequestration FLOAT); INSERT INTO carbon_sequestration (year,region,sequestration) VALUES (2020,'Region A',1300.0),(2020,'Region B',1400.0),(2020,'Region C',1200.0); | SELECT region FROM carbon_sequestration WHERE sequestration = (SELECT MAX(sequestration) FROM carbon_sequestration WHERE year = 2020); |
What is the maximum altitude of Chinese satellites? | CREATE TABLE Satellites (satellite_id INT,name VARCHAR(255),country VARCHAR(255),altitude FLOAT,constellation VARCHAR(255)); INSERT INTO Satellites (satellite_id,name,country,altitude,constellation) VALUES (1,'Tianwen-1','China',377.5,'Mars Exploration'),(2,'Beidou-3','China',35786,'Navigation'),(3,'Fengyun-3','China',836,'Weather'); | SELECT MAX(altitude) FROM Satellites WHERE country = 'China'; |
What is the total quantity of unsold size 2XL clothing in the warehouse? | CREATE TABLE Inventory (id INT,product_id INT,size VARCHAR(10),quantity INT); INSERT INTO Inventory (id,product_id,size,quantity) VALUES (1,1,'2XL',25),(2,2,'XS',50); | SELECT SUM(quantity) FROM Inventory WHERE size = '2XL' AND quantity > 0; |
What is the distribution of art collections by period in Amsterdam? | CREATE TABLE Collections_Period (city VARCHAR(20),period VARCHAR(20),pieces INT); INSERT INTO Collections_Period (city,period,pieces) VALUES ('Amsterdam','Renaissance',500),('Amsterdam','Baroque',300),('Amsterdam','Modern',200),('Paris','Renaissance',700); | SELECT period, COUNT(*) FROM Collections_Period WHERE city = 'Amsterdam' GROUP BY period; |
What are the total construction costs and average project timelines for companies that have worked on both government-funded and privately-funded projects in the state of Washington, grouped by sustainability status? | CREATE TABLE Company_Projects_WA (Company TEXT,Project_ID INT,Funding TEXT,Sustainable BOOLEAN,Cost FLOAT,Timeline INT); INSERT INTO Company_Projects_WA (Company,Project_ID,Funding,Sustainable,Cost,Timeline) VALUES ('Miller & Sons',1,'Government',true,1500000,365),('Miller & Sons',2,'Private',true,2000000,420),('Smith Constructors',3,'Government',true,1200000,450),('Smith Constructors',4,'Private',false,1800000,500),('Eco Builders',5,'Government',true,900000,400),('Eco Builders',6,'Private',true,1300000,440),('Green & Co.',7,'Government',true,1000000,380),('Green & Co.',8,'Government',true,1400000,425),('Green & Co.',9,'Private',false,1100000,475); | SELECT cp.Sustainable, cp.Company, AVG(cp.Cost), AVG(cp.Timeline) FROM Company_Projects_WA cp WHERE cp.Funding = 'Government' OR cp.Funding = 'Private' GROUP BY cp.Sustainable, cp.Company; |
Insert new community policing metric for 'Boston' in '2022-01-01'. | CREATE TABLE community_policing_metrics (id INT,city TEXT,metric_date DATE,metric_value INT); INSERT INTO community_policing_metrics (id,city,metric_date,metric_value) VALUES (1,'New York','2021-12-01',20),(2,'Los Angeles','2021-12-02',15),(3,'Chicago','2021-12-03',18); | INSERT INTO community_policing_metrics (city, metric_date, metric_value) VALUES ('Boston', '2022-01-01', 17); |
How many mobile customers are there in Florida, and how many have devices compatible with both 4G and 5G networks? | CREATE TABLE mobile_customers (customer_id INT,name VARCHAR(50),device_4g BOOLEAN,device_5g BOOLEAN,state VARCHAR(20)); INSERT INTO mobile_customers (customer_id,name,device_4g,device_5g,state) VALUES (1,'Juan Garcia',true,true,'Florida'); | SELECT COUNT(*), SUM(device_4g AND device_5g) FROM mobile_customers WHERE state = 'Florida'; |
What is the total waste generation in the residential sector for the year 2020? | CREATE TABLE waste_generation (id INT,sector VARCHAR(20),year INT,amount INT); INSERT INTO waste_generation (id,sector,year,amount) VALUES (1,'residential',2020,15000); | SELECT SUM(amount) FROM waste_generation WHERE sector = 'residential' AND year = 2020; |
What is the average speed of electric vehicles in 'vehicle_data' table? | CREATE TABLE vehicle_data (id INT,vehicle_type VARCHAR(20),avg_speed FLOAT); | SELECT AVG(avg_speed) FROM vehicle_data WHERE vehicle_type = 'Electric Vehicle'; |
Update the salaries of employees in the IT department with a 3% increase. | CREATE TABLE EmployeeData (EmployeeID INT,Department VARCHAR(50),Salary DECIMAL(10,2)); INSERT INTO EmployeeData VALUES (1,'IT',50000); INSERT INTO EmployeeData VALUES (2,'HR',55000); INSERT INTO EmployeeData VALUES (3,'Finance',60000); | UPDATE EmployeeData SET Salary = Salary * 1.03 WHERE Department = 'IT'; |
What is the maximum donation amount given to a single organization in the healthcare sector? | CREATE TABLE donations (id INT,donor_id INT,organization_id INT,donation_amount DECIMAL(10,2),sector VARCHAR(255)); INSERT INTO donations (id,donor_id,organization_id,donation_amount,sector) VALUES (1,1,1,1000.00,'healthcare'),(2,2,2,500.00,'education'),(3,1,1,2000.00,'healthcare'); | SELECT MAX(donation_amount) FROM donations WHERE sector = 'healthcare' GROUP BY organization_id; |
What is the average publication rate of graduate students in the Music department who identify as disabled? | CREATE TABLE students (id INT,name VARCHAR(100),department VARCHAR(50),publication_count INT,disability VARCHAR(50)); INSERT INTO students VALUES (1,'Harper Brown','Music',2,'Yes'); | SELECT department, AVG(publication_rate) FROM (SELECT department, disability, AVG(publication_count) AS publication_rate FROM students WHERE department = 'Music' GROUP BY department, disability) AS subquery WHERE disability = 'Yes' GROUP BY department; |
Update the funding amount for the latest investment round of a company in the AI sector. | CREATE TABLE latest_investments (id INT,company_id INT,round_number INT,investment_amount INT); CREATE TABLE companies_funding (id INT,company_id INT,funding_amount INT); CREATE TABLE companies (id INT,name TEXT,industry TEXT); | UPDATE companies_funding JOIN latest_investments ON companies_funding.company_id = latest_investments.company_id SET companies_funding.funding_amount = latest_investments.investment_amount WHERE companies_funding.company_id = latest_investments.company_id AND latest_investments.round_number = (SELECT MAX(round_number) FROM latest_investments JOIN companies ON latest_investments.company_id = companies.id WHERE companies.industry = 'AI'); |
Delete a department from the "departments" table | CREATE TABLE departments (id INT,department VARCHAR(50),manager VARCHAR(50)); | DELETE FROM departments WHERE department = 'Marketing'; |
Identify the heritage site in 'Asia' with the highest visitor count. | CREATE TABLE HeritageSites (SiteID INT PRIMARY KEY,SiteName VARCHAR(50),Location VARCHAR(50),VisitorCount INT); INSERT INTO HeritageSites (SiteID,SiteName,Location,VisitorCount) VALUES (1,'Angkor Wat','Cambodia',2500000),(2,'Taj Mahal','India',3000000); | SELECT SiteName, MAX(VisitorCount) FROM HeritageSites WHERE Location LIKE '%Asia%' GROUP BY SiteName; |
How many military equipment maintenance requests were there in Q2 2020? | CREATE TABLE maintenance_requests (request_id INT,date DATE,type VARCHAR(255)); INSERT INTO maintenance_requests (request_id,date,type) VALUES (1,'2020-01-01','equipment'); INSERT INTO maintenance_requests (request_id,date,type) VALUES (2,'2020-01-15','facility'); | SELECT COUNT(*) FROM maintenance_requests WHERE date BETWEEN '2020-04-01' AND '2020-06-30' AND type = 'equipment'; |
What is the maximum pollution level recorded in the Indian Ocean? | CREATE TABLE pollution_data (location VARCHAR(255),pollution_level FLOAT); INSERT INTO pollution_data (location,pollution_level) VALUES ('Indian Ocean',12.5),('Atlantic Ocean',15.6); | SELECT MAX(pollution_level) FROM pollution_data WHERE location = 'Indian Ocean'; |
Insert a new electric vehicle model "Tesla X" into the "vehicles" table with an id of 2. | CREATE TABLE vehicles (id INT,type VARCHAR(50)); INSERT INTO vehicles VALUES (1,'sedan'); | INSERT INTO vehicles (id, type) VALUES (2, 'electric vehicle'); |
What is the number of marine species, grouped by conservation status and region? | CREATE TABLE marine_species_2 (id INT,species VARCHAR(255),conservation_status VARCHAR(255),region VARCHAR(255)); INSERT INTO marine_species_2 (id,species,conservation_status,region) VALUES (1,'Blue Whale','Endangered','Arctic'); INSERT INTO marine_species_2 (id,species,conservation_status,region) VALUES (2,'Green Sea Turtle','Vulnerable','Atlantic'); INSERT INTO marine_species_2 (id,species,conservation_status,region) VALUES (3,'Clownfish','Least Concern','Indian'); | SELECT conservation_status, region, COUNT(*) FROM marine_species_2 GROUP BY conservation_status, region; |
What is the total number of vehicles tested in 'Vehicle Safety Testing' table by manufacturer? | CREATE TABLE Vehicle_Safety_Testing (vehicle_id INT,manufacturer VARCHAR(50),safety_rating VARCHAR(20)); | SELECT manufacturer, COUNT(*) FROM Vehicle_Safety_Testing GROUP BY manufacturer; |
What is the total number of volunteer hours for a specific volunteer? | CREATE TABLE VolunteerHours (VolunteerHourID INT,VolunteerName TEXT,Hours DECIMAL,Program TEXT); INSERT INTO VolunteerHours (VolunteerHourID,VolunteerName,Hours,Program) VALUES (1,'Juan',5.00,'Feeding Program'),(2,'Juan',3.00,'Education Program'),(3,'Maria',4.00,'Feeding Program'),(4,'Pedro',6.00,'Education Program'),(5,'Jose',7.00,'Feeding Program'),(6,'Carlos',2.00,'Education Program'); | SELECT VolunteerName, SUM(Hours) AS TotalVolunteerHours FROM VolunteerHours GROUP BY VolunteerName; |
What is the total number of tickets sold for cultural events in 'New York' and 'London'? | CREATE TABLE events (id INT,name TEXT,location TEXT,tickets_sold INT); INSERT INTO events (id,name,location,tickets_sold) VALUES (1,'Broadway Show','New York',200),(2,'Museum Exhibit','London',150),(3,'Concert','Paris',300); | SELECT SUM(tickets_sold) FROM events WHERE location IN ('New York', 'London'); |
Find the number of unique non-profit organizations that received donations in the impact investing category from donors in the United Kingdom. | CREATE TABLE donations (donation_id INT,donor_id INT,donation_amount FLOAT,donation_category TEXT); INSERT INTO donations (donation_id,donor_id,donation_amount,donation_category) VALUES (1,1,1000.00,'Impact Investing'),(2,2,500.00,'Education'); | SELECT COUNT(DISTINCT donation_recipient_id) FROM (SELECT donation_recipient_id FROM donations WHERE donation_category = 'Impact Investing' AND EXISTS (SELECT 1 FROM donors WHERE donors.donor_id = donations.donor_id AND donors.donor_country = 'United Kingdom')) AS donation_subset; |
What is the total number of fish in each region? | CREATE TABLE Fish_Farms (Farm_ID INT,Farm_Name TEXT,Region TEXT,Number_of_Fish INT); INSERT INTO Fish_Farms (Farm_ID,Farm_Name,Region,Number_of_Fish) VALUES (1,'Farm S','Northern',5000); INSERT INTO Fish_Farms (Farm_ID,Farm_Name,Region,Number_of_Fish) VALUES (2,'Farm T','Southern',6000); INSERT INTO Fish_Farms (Farm_ID,Farm_Name,Region,Number_of_Fish) VALUES (3,'Farm U','Eastern',7000); INSERT INTO Fish_Farms (Farm_ID,Farm_Name,Region,Number_of_Fish) VALUES (4,'Farm V','Western',8000); | SELECT Region, SUM(Number_of_Fish) FROM Fish_Farms GROUP BY Region; |
Identify the number of unique countries represented by the founders of companies in the tech industry. | CREATE TABLE companies (id INT,name TEXT,industry TEXT,founding_date DATE,founder_country TEXT);CREATE TABLE founders (id INT,company_id INT); | SELECT COUNT(DISTINCT founder_country) FROM companies INNER JOIN founders ON companies.id = founders.company_id WHERE companies.industry = 'tech'; |
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