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What is the count of community policing events for each type at each location, and what is the percentage of the total count for each location? | CREATE TABLE community_policing(id INT,location VARCHAR(255),event_type VARCHAR(255),timestamp TIMESTAMP); | SELECT location, event_type, COUNT(*) as event_count, event_count * 100.0 / SUM(COUNT(*)) OVER (PARTITION BY location) as percentage FROM community_policing GROUP BY location, event_type; |
What is the average number of streams per day for 'WAP' by Cardi B and Megan Thee Stallion? | CREATE TABLE SongStreams (id INT,song VARCHAR(50),streams INT,date DATE); INSERT INTO SongStreams (id,song,streams,date) VALUES (1,'WAP',150000,'2022-01-01'),(2,'WAP',160000,'2022-01-02'); | SELECT AVG(streams/2) FROM SongStreams WHERE song = 'WAP'; |
Find the difference in average CO2 emission per capita between 2019 and 2020 for each continent. | CREATE TABLE EmissionsData (Continent VARCHAR(50),Year INT,CO2Emission DECIMAL(5,2),Population INT); INSERT INTO EmissionsData (Continent,Year,CO2Emission,Population) VALUES ('Asia',2020,5.3,4600000000),('Asia',2019,4.6,4580000000),('Africa',2020,2.1,1300000000),('Africa',2019,1.8,1280000000); | SELECT Continent, AVG(CO2Emission/Population) - LAG(AVG(CO2Emission/Population)) OVER (PARTITION BY Continent ORDER BY Year) as CO2PerCapitaDifference FROM EmissionsData GROUP BY Continent, Year; |
Insert a new record for a mine | mines(mine_id,mine_name,location,extraction_type) | INSERT INTO mines (mine_id, mine_name, location, extraction_type) VALUES (5, 'New Mine', 'New Location', 'Surface'); |
What is the average heart rate for each user, partitioned by gender? | CREATE TABLE user_data (id INT,user_name TEXT,country TEXT,gender TEXT,heart_rate INT); INSERT INTO user_data (id,user_name,country,gender,heart_rate) VALUES (1,'John Doe','USA','Male',75),(2,'Jane Smith','USA','Female',80),(3,'Alice Johnson','Canada','Female',85); | SELECT user_id, gender, AVG(heart_rate) as avg_heart_rate FROM user_data GROUP BY user_id, gender; |
What's the total number of shelters and hospitals in each country? | CREATE TABLE Facilities (FacilityID INT,FacilityCountry TEXT,FacilityType TEXT,FacilityCount INT); INSERT INTO Facilities (FacilityID,FacilityCountry,FacilityType,FacilityCount) VALUES (1,'Haiti','Shelters',5),(2,'Haiti','Hospitals',3),(3,'Dominican Republic','Shelters',7),(4,'Dominican Republic','Hospitals',4); | SELECT FacilityCountry, SUM(FacilityCount) FROM Facilities WHERE FacilityType IN ('Shelters', 'Hospitals') GROUP BY FacilityCountry; |
What is the difference in average depth between expeditions in the Pacific and Atlantic Oceans? | CREATE TABLE Expeditions(ExpeditionID INT,Location VARCHAR(20),AvgDepth DECIMAL(5,2)); INSERT INTO Expeditions(ExpeditionID,Location,AvgDepth) VALUES (1,'Pacific',3500.50),(2,'Atlantic',4200.30),(3,'Indian',2100.75),(4,'Pacific',5100.90),(5,'Atlantic',2900.40); | SELECT AVG(CASE WHEN Location = 'Pacific' THEN AvgDepth ELSE NULL END) - AVG(CASE WHEN Location = 'Atlantic' THEN AvgDepth ELSE NULL END) FROM Expeditions; |
What was the minimum response time for fire incidents in the Downtown district in 2021? | CREATE TABLE districts (id INT,name TEXT); INSERT INTO districts (id,name) VALUES (1,'Downtown'),(2,'Uptown'),(3,'Midtown'); CREATE TABLE fire_incidents (id INT,district_id INT,response_time INT,incident_date DATE); INSERT INTO fire_incidents (id,district_id,response_time,incident_date) VALUES (1,1,5,'2021-01-01'),(2,1,4,'2021-02-15'),(3,1,6,'2021-03-10'); | SELECT MIN(response_time) FROM fire_incidents WHERE district_id = 1 AND YEAR(incident_date) = 2021; |
List all menu items that contain 'chicken' in their name from the 'Menu' table. | CREATE TABLE Menu (id INT,name VARCHAR(255),price DECIMAL(5,2),vegetarian BOOLEAN); INSERT INTO Menu (id,name,price,vegetarian) VALUES (1,'Chicken Burger',7.99,FALSE),(2,'Veggie Wrap',6.49,TRUE),(3,'Chicken Caesar Salad',9.99,FALSE); | SELECT name FROM Menu WHERE name LIKE '%chicken%'; |
What are the names and types of rovers that landed on Mars before 2010? | CREATE TABLE Mars_Rovers (Rover_ID INT PRIMARY KEY,Name VARCHAR(100),Type VARCHAR(50),Landing_Date DATE,Agency VARCHAR(50)); INSERT INTO Mars_Rovers (Rover_ID,Name,Type,Landing_Date,Agency) VALUES (1,'Sojourner','Micro rover','1997-07-04','NASA'),(2,'Spirit','Mars Exploration Rover','2004-01-04','NASA'),(3,'Opportunity','Mars Exploration Rover','2004-01-25','NASA'); | SELECT Name, Type FROM Mars_Rovers WHERE Landing_Date < '2010-01-01'; |
How many infectious disease cases were reported in each age group? | CREATE TABLE age_groups (age_group_id INT,age_group VARCHAR(20)); CREATE TABLE disease_cases (case_id INT,age_group_id INT,disease_name VARCHAR(50),cases_count INT); | SELECT ag.age_group, SUM(dc.cases_count) AS total_cases FROM age_groups ag JOIN disease_cases dc ON ag.age_group_id = dc.age_group_id GROUP BY ag.age_group; |
What engineering design standards were used in projects located in Argentina? | CREATE TABLE projects_arg (id INT,country VARCHAR(50),standard VARCHAR(50)); INSERT INTO projects_arg (id,country,standard) VALUES (1,'Argentina','IRAM 11605'),(2,'Argentina','IRAM 11606'); | SELECT DISTINCT standard FROM projects_arg WHERE country = 'Argentina'; |
What are the names and descriptions of biosensor technology projects in India and China? | CREATE TABLE biosensor_technology (id INT,project_name VARCHAR(50),description TEXT,location VARCHAR(50)); INSERT INTO biosensor_technology (id,project_name,description,location) VALUES (1,'Project1','Biosensor for glucose detection','India'); INSERT INTO biosensor_technology (id,project_name,description,location) VALUES (2,'Project2','Biosensor for protein detection','China'); INSERT INTO biosensor_technology (id,project_name,description,location) VALUES (3,'Project3','Biosensor for DNA detection','India'); | SELECT project_name, description FROM biosensor_technology WHERE location IN ('India', 'China'); |
What is the total mass of space debris in LEO orbit? | CREATE TABLE Space_Debris (Debris_ID INT,Debris_Name VARCHAR(50),Mass FLOAT,Orbit VARCHAR(50),PRIMARY KEY (Debris_ID)); INSERT INTO Space_Debris (Debris_ID,Debris_Name,Mass,Orbit) VALUES (1,'Envisat',8212,'LEO'),(2,'Tiangong-1',8500,'GEO'),(3,'Fengyun-1C',3500,'GEO'),(4,'Cosmos 2251',900,'LEO'); | SELECT SUM(Mass) FROM Space_Debris WHERE Orbit = 'LEO'; |
What was the total cost of 'Waste Management' projects in 2019, grouped by their status? | CREATE TABLE Projects (id INT,name VARCHAR(50),category VARCHAR(50),cost FLOAT,year_started INT,year_completed INT,status VARCHAR(20)); INSERT INTO Projects (id,name,category,cost,year_started,year_completed,status) VALUES (1,'Dam Reconstruction','Water Supply',500000,2017,2019,'Completed'),(2,'Wastewater Treatment','Waste Management',600000,2018,2020,'Completed'),(3,'Road Pavement','Transportation',700000,2016,2018,'Completed'),(4,'Bridge Construction','Transportation',800000,2018,2019,'Completed'),(5,'Tunnel Construction','Transportation',900000,2019,2021,'In Progress'); | SELECT status, SUM(cost) FROM Projects WHERE category = 'Waste Management' AND year_completed = 2019 GROUP BY status; |
Who are the volunteers for the 'disaster_relief' program and when did they last volunteer? | CREATE TABLE program (id INT,name VARCHAR(255)); CREATE TABLE volunteer (id INT,program_id INT,name VARCHAR(255),last_volunteered DATE); INSERT INTO program (id,name) VALUES (1,'youth_mentoring'),(2,'disaster_relief'); INSERT INTO volunteer (id,program_id,name,last_volunteered) VALUES (1,1,'Alice','2022-01-01'),(2,2,'Bob','2022-02-15'),(3,2,'Charlie','2022-03-05'),(4,2,'David','2022-03-20'),(5,1,'Eve','2022-04-01'); | SELECT * FROM volunteer WHERE program_id = (SELECT id FROM program WHERE name = 'disaster_relief'); |
Delete biosensors with accuracy below 0.95 and no startup funding. | CREATE TABLE biosensors (id INT,name VARCHAR(50),type VARCHAR(50),accuracy FLOAT); CREATE TABLE startup_funding (id INT,biosensor_id INT,funding_amount FLOAT); INSERT INTO biosensors (id,name,type,accuracy) VALUES (1,'BioSen1','Optical',0.96),(2,'BioSen2','Electrochemical',0.94); INSERT INTO startup_funding (id,biosensor_id,funding_amount) VALUES (1,1,200000.0); | DELETE bs FROM biosensors bs LEFT JOIN startup_funding sf ON bs.id = sf.biosensor_id WHERE bs.accuracy < 0.95 AND sf.biosensor_id IS NULL; |
What is the difference in average time spent on the platform, per player, between players who made a purchase in the last month and those who did not, for each platform? | CREATE TABLE PlayerPurchaseTime (PlayerID INT,Platform VARCHAR(10),AvgTime FLOAT,Purchase DATE); INSERT INTO PlayerPurchaseTime (PlayerID,Platform,AvgTime,Purchase) VALUES (1,'PC',150.5,'2022-01-01'); | SELECT a.Platform, AVG(a.AvgTime - b.AvgTime) as AvgTimeDifference FROM PlayerPurchaseTime a, PlayerPurchaseTime b WHERE a.Platform = b.Platform AND a.Purchase >= CURRENT_DATE - INTERVAL 1 MONTH AND b.Purchase < CURRENT_DATE - INTERVAL 1 MONTH GROUP BY a.Platform; |
What is the average distance of Mars' moons from the planet? | CREATE TABLE mars_moons (moon_id INT,name VARCHAR(100),distance_from_mars FLOAT); | SELECT AVG(distance_from_mars) FROM mars_moons; |
What is the total funds allocated for rural healthcare in the "resource_allocation" table for each region? | CREATE TABLE resource_allocation (id INT,year INT,funds_allocated INT,region VARCHAR(50)); | SELECT region, SUM(funds_allocated) FROM resource_allocation GROUP BY region; |
List all socially responsible lending institutions in the African continent | CREATE TABLE african_srl_institutions (id INT PRIMARY KEY,institution_name VARCHAR(100),continent VARCHAR(50)); INSERT INTO african_srl_institutions (id,institution_name,continent) VALUES (1,'Institution A','Africa'),(2,'Institution B','Europe'),(3,'Institution C','Africa'); | SELECT institution_name FROM african_srl_institutions WHERE continent = 'Africa'; |
How many drought impacts have been recorded in Beijing and Tokyo? | CREATE TABLE DroughtImpact (Location VARCHAR(100),Impact INT,Date DATE); INSERT INTO DroughtImpact (Location,Impact,Date) VALUES ('Beijing',3,'2022-01-01'),('Tokyo',2,'2022-01-02'); | SELECT Location, COUNT(*) FROM DroughtImpact GROUP BY Location; |
List all factories that use renewable energy sources | CREATE TABLE factories (id INT,name VARCHAR(50),location VARCHAR(50),energy_source VARCHAR(50)); INSERT INTO factories (id,name,location,energy_source) VALUES (1,'Factory A','New York','solar'),(2,'Factory B','California','wind'),(3,'Factory C','Texas','fossil_fuels'); | SELECT name FROM factories WHERE energy_source IN ('solar', 'wind'); |
What is the number of financially capable customers by region, ordered by region and number of customers? | CREATE TABLE financially_capable_customers (customer_id INT,customer_name TEXT,region TEXT,financially_capable BOOLEAN); INSERT INTO financially_capable_customers VALUES (1,'John Doe','North',TRUE),(2,'Jane Smith','North',TRUE),(3,'Ahmed Ali','South',FALSE),(4,'Aisha Khan','East',TRUE); | SELECT region, COUNT(*) as num_customers, ROW_NUMBER() OVER (ORDER BY COUNT(*) DESC, region) as rank FROM financially_capable_customers WHERE financially_capable = TRUE GROUP BY region ORDER BY num_customers DESC, region; |
Retrieve all sites from the Cultural_Heritage table that were established after 1600. | CREATE TABLE Cultural_Heritage (Site VARCHAR(50),Year_Established INT,Historical_Significance TEXT); INSERT INTO Cultural_Heritage (Site,Year_Established,Historical_Significance) VALUES ('Machu Picchu',1450,'An Incan citadel set high in the Andes Mountains,above the Sacred Valley. It is renowned for its sophisticated dry-stone walls that fuse huge blocks without the use of mortar.'),('Angkor Wat',1113,'A temple complex in Cambodia and one of the largest religious monuments in the world.'),('Petra',312,'An archaeological city in southern Jordan,known for its rock-cut architecture and water conduit system.'),('Taj Mahal',1632,'A white marble mausoleum located in Agra,India,built by Mughal Emperor Shah Jahan in memory of his wife Mumtaz Mahal.'); | SELECT Site FROM Cultural_Heritage WHERE Year_Established > 1600; |
How many female biotech entrepreneurs in Brazil have successfully raised series A funding? | CREATE TABLE entrepreneurs (id INT,name TEXT,gender TEXT,industry TEXT,funding_round TEXT,country TEXT); INSERT INTO entrepreneurs (id,name,gender,industry,funding_round,country) VALUES (1,'Ana','Female','Biotech','Series A','Brazil'); | SELECT COUNT(*) FROM entrepreneurs WHERE gender = 'Female' AND industry = 'Biotech' AND country = 'Brazil' AND funding_round = 'Series A'; |
What is the average rating of skincare products supplied by the USA? | CREATE TABLE CosmeticsProducts (ProductID INT,ProductName VARCHAR(50),Category VARCHAR(50)); INSERT INTO CosmeticsProducts (ProductID,ProductName,Category) VALUES (1,'Product A','Skin Care'),(2,'Product B','Skin Care'),(3,'Product C','Makeup'); | SELECT AVG(pr.Rating) as AverageRating FROM ProductReviews pr JOIN Inventory i ON pr.ProductID = i.ProductID JOIN Suppliers s ON i.ProductID = s.ProductID JOIN CosmeticsProducts p ON i.ProductID = p.ProductID WHERE p.Category = 'Skin Care' AND s.Country = 'USA'; |
What is the total amount of funding received by programs located in the 'Asia Pacific' region, in the 'Visual Arts' category? | CREATE TABLE Programs (program_id INT,program_category VARCHAR(50),program_location VARCHAR(50)); INSERT INTO Programs (program_id,program_category,program_location) VALUES (1,'Visual Arts','Asia Pacific'),(2,'Dance','North America'),(3,'Visual Arts','Europe'); CREATE TABLE Funding (funding_id INT,program_id INT,funding_amount INT); INSERT INTO Funding (funding_id,program_id,funding_amount) VALUES (1,1,10000),(2,1,15000),(3,2,20000),(4,3,25000); | SELECT p.program_category, p.program_location, SUM(f.funding_amount) AS total_funding FROM Programs p JOIN Funding f ON p.program_id = f.program_id WHERE p.program_category = 'Visual Arts' AND p.program_location = 'Asia Pacific' GROUP BY p.program_category, p.program_location; |
Find the names and production quantities of the top 3 producing wells in the 'SouthEastAsia' region. | CREATE TABLE WellProduction (well_id INT,well_name TEXT,region TEXT,production_qty REAL); INSERT INTO WellProduction (well_id,well_name,region,production_qty) VALUES (1,'Delta','SouthEastAsia',2000),(2,'Echo','SouthEastAsia',2200),(3,'Foxtrot','SouthEastAsia',2500); | SELECT well_name, production_qty FROM WellProduction WHERE region = 'SouthEastAsia' ORDER BY production_qty DESC LIMIT 3 |
What is the total quantity of Fair Trade textiles sold in Ghana? | CREATE TABLE sales (sale_id int,product_id int,vendor_id int,quantity int,sale_date date); CREATE TABLE products (product_id int,product_name varchar(255),is_fair_trade boolean,product_category varchar(50),country varchar(50)); INSERT INTO sales (sale_id,product_id,vendor_id,quantity,sale_date) VALUES (1,1,101,20,'2022-02-01'); INSERT INTO products (product_id,product_name,is_fair_trade,product_category,country) VALUES (1,'Fair Trade Batik Textile',true,'Textiles','Ghana'); | SELECT SUM(quantity) AS total_quantity FROM sales JOIN products ON sales.product_id = products.product_id WHERE is_fair_trade = true AND product_category = 'Textiles' AND country = 'Ghana'; |
What is the total number of community health workers who identify as Native American or Alaska Native? | CREATE TABLE community_health_workers (worker_id INT,ethnicity VARCHAR(255)); INSERT INTO community_health_workers (worker_id,ethnicity) VALUES (1,'Hispanic'),(2,'African American'),(3,'Asian'),(4,'Caucasian'),(5,'Native American'),(6,'Alaska Native'); | SELECT COUNT(*) as total FROM community_health_workers WHERE ethnicity IN ('Native American', 'Alaska Native'); |
What is the total fare collected from passengers with disabilities for train route 201? | CREATE TABLE routes (route_id INT,route_name TEXT); INSERT INTO routes (route_id,route_name) VALUES (101,'Bus Route 101'),(201,'Train Route 201'); CREATE TABLE fare_collection (collection_id INT,passenger_type TEXT,route_id INT,fare DECIMAL); INSERT INTO fare_collection (collection_id,passenger_type,route_id) VALUES (1,'Ambulatory',101),(2,'Wheelchair',101),(3,'Able-bodied',101),(4,'Ambulatory',201),(5,'Wheelchair',201),(6,'Able-bodied',201); | SELECT SUM(fare) FROM fare_collection JOIN routes ON fare_collection.route_id = routes.route_id WHERE passenger_type = 'Wheelchair' AND routes.route_name = 'Train Route 201'; |
What is the total sale price of artworks by female artists from the United States? | CREATE TABLE Artists (ArtistID INT PRIMARY KEY,Name VARCHAR(255),Gender VARCHAR(255),Nationality VARCHAR(255)); CREATE TABLE Artworks (ArtworkID INT PRIMARY KEY,Title VARCHAR(255),ArtistID INT,Year INT,SalePrice DECIMAL(10,2)); CREATE TABLE Sales (SaleID INT PRIMARY KEY,SaleDate DATE); | SELECT SUM(Artworks.SalePrice) AS TotalSalePrice FROM Artists INNER JOIN Artworks ON Artists.ArtistID = Artworks.ArtistID INNER JOIN Sales ON Artworks.ArtworkID = Sales.ArtworkID WHERE Artists.Gender = 'Female' AND Artists.Nationality = 'American'; |
How many electric scooter charging stations are there in Sao Paulo, Brazil? | CREATE TABLE electric_scooter_charging_stations (station_id INT,station_name TEXT,city TEXT,charging_stations INT); | SELECT SUM(charging_stations) FROM electric_scooter_charging_stations WHERE city = 'Sao Paulo'; |
What is the maximum number of satellites launched by a country in a year? | CREATE TABLE country_satellite_launches (country_id INT,launch_year INT,number_of_satellites INT); CREATE TABLE countries (id INT,name VARCHAR(50)); | SELECT c.name, MAX(cs.number_of_satellites) FROM countries c JOIN country_satellite_launches cs ON c.id = cs.country_id GROUP BY c.name; |
For the sustainable_tech table, return the product_name, manufacturing_location, and carbon_footprint for the rows with the 10th, 50th, and 90th percentile carbon_footprint values, in ascending order. | CREATE TABLE sustainable_tech (product_name VARCHAR(255),manufacturing_location VARCHAR(255),carbon_footprint FLOAT); | SELECT product_name, manufacturing_location, carbon_footprint FROM (SELECT product_name, manufacturing_location, carbon_footprint, NTILE(10) OVER (ORDER BY carbon_footprint) as percentile FROM sustainable_tech) tmp WHERE percentile IN (1, 5, 9) ORDER BY carbon_footprint ASC; |
How many sustainable tourism activities are available in New York? | CREATE TABLE TourismActivities (id INT,name TEXT,location TEXT,sustainable BOOLEAN); INSERT INTO TourismActivities (id,name,location,sustainable) VALUES (1,'Central Park Bike Tour','New York',true),(2,'New York City Bus Tour','New York',false); | SELECT COUNT(*) FROM TourismActivities WHERE location = 'New York' AND sustainable = true; |
How many trams are there in the 'east' region with fare greater than 2? | CREATE TABLE tram_data (region VARCHAR(10),fare DECIMAL(5,2)) ; INSERT INTO tram_data (region,fare) VALUES ('north',1.50),('south',2.25),('east',2.75),('west',1.75); | SELECT COUNT(*) FROM tram_data WHERE region = 'east' AND fare > 2; |
What is the total number of volunteers for each program and their average donation amount? | CREATE TABLE programs (id INT,name VARCHAR(255)); INSERT INTO programs (id,name) VALUES (1,'Education'),(2,'Health'),(3,'Environment'); CREATE TABLE volunteers (id INT,name VARCHAR(255),program_id INT,total_donations DECIMAL(10,2)); | SELECT p.name, COUNT(*) as total_volunteers, AVG(v.total_donations) as avg_donation_amount FROM programs p JOIN volunteers v ON p.id = v.program_id GROUP BY p.id; |
Identify the chemical with the highest emission levels in Oregon. | CREATE TABLE chemical (chemical_id INT,name TEXT); INSERT INTO chemical (chemical_id,name) VALUES (1,'ChemicalA'),(2,'ChemicalB'),(3,'ChemicalC'); CREATE TABLE emission_log (log_id INT,chemical_id INT,emission_amount INT,emission_date DATE); INSERT INTO emission_log (log_id,chemical_id,emission_amount,emission_date) VALUES (1,1,50,'2022-01-01'),(2,1,45,'2022-01-02'),(3,2,60,'2022-01-01'),(4,2,65,'2022-01-02'),(5,3,70,'2022-01-01'),(6,3,75,'2022-01-02'); | SELECT chemical.name, MAX(emission_log.emission_amount) FROM chemical JOIN emission_log ON chemical.chemical_id = emission_log.chemical_id WHERE chemical.name IN (SELECT name FROM chemical WHERE state = 'Oregon') GROUP BY chemical.name; |
How many green certified buildings are there in each city in Canada? | CREATE TABLE GreenCertified (id INT,city VARCHAR(50),building_count INT); INSERT INTO GreenCertified (id,city,building_count) VALUES (1,'Toronto',150),(2,'Vancouver',120),(3,'Montreal',180),(4,'Calgary',100); | SELECT city, building_count FROM GreenCertified WHERE country = 'Canada' GROUP BY city; |
What is the average cost of treatment for each unique treatment_approach in the 'treatment_costs' schema? | CREATE TABLE treatment_costs (cost_id INT,treatment_approach VARCHAR(255),cost DECIMAL(10,2)); INSERT INTO treatment_costs (cost_id,treatment_approach,cost) VALUES (1,'CBT',150.00),(2,'DBT',200.00),(3,'EMDR',250.00),(4,'Medication',50.00),(5,'Lithium',75.00),(6,'Antipsychotics',100.00); | SELECT treatment_approach, AVG(cost) AS avg_cost FROM treatment_costs GROUP BY treatment_approach; |
List all sculptures with their sale prices in descending order. | CREATE TABLE Artwork (ArtworkID INT,Title VARCHAR(100),Type VARCHAR(50),Price FLOAT); INSERT INTO Artwork VALUES (1,'Guernica','Painting',2000000); INSERT INTO Artwork VALUES (2,'Venus de Milo','Sculpture',1200000); | SELECT Title, Price FROM Artwork WHERE Type = 'Sculpture' ORDER BY Price DESC; |
Count the number of records in the 'mammals_view' view | CREATE TABLE animals (id INT PRIMARY KEY,name VARCHAR(100),species VARCHAR(50),population INT); INSERT INTO animals (id,name,species,population) VALUES (1,'Giraffe','Mammal',30000),(2,'Elephant','Mammal',5000); CREATE VIEW mammals_view AS SELECT * FROM animals WHERE species = 'Mammal'; | SELECT COUNT(*) FROM mammals_view; |
What is the average orbital altitude of satellites launched by each country? | CREATE TABLE satellites (satellite_id INT,country VARCHAR(50),orbital_altitude INT); INSERT INTO satellites (satellite_id,country,orbital_altitude) VALUES (1,'USA',700),(2,'USA',800),(3,'China',600),(4,'Russia',900),(5,'India',1000),(6,'Japan',1100); | SELECT country, AVG(orbital_altitude) as average_altitude FROM satellites GROUP BY country; |
Identify the top 3 countries with the highest average order value. | CREATE TABLE Orders (order_id INT,order_date DATE,order_value FLOAT,country VARCHAR(50)); INSERT INTO Orders (order_id,order_date,order_value,country) VALUES (1,'2021-01-01',150.00,'USA'),(2,'2021-01-02',200.00,'Canada'),(3,'2021-01-03',120.00,'USA'),(4,'2021-01-04',50.00,'Mexico'),(5,'2021-01-05',300.00,'Australia'); | SELECT country, AVG(order_value) AS avg_order_value FROM Orders GROUP BY country ORDER BY avg_order_value DESC LIMIT 3; |
What is the average network latency in the state of Texas for the last month? | CREATE TABLE network_latency (latency_id INT,state VARCHAR(50),latency FLOAT,measurement_date DATE); INSERT INTO network_latency (latency_id,state,latency,measurement_date) VALUES (1,'Texas',20,'2022-01-01'); INSERT INTO network_latency (latency_id,state,latency,measurement_date) VALUES (2,'Texas',25,'2022-01-02'); | SELECT AVG(latency) FROM network_latency WHERE state = 'Texas' AND measurement_date >= DATEADD(month, -1, GETDATE()); |
What is the total duration of Yoga classes attended by members in their 30s? | CREATE TABLE Members (MemberID INT,Age INT,Gender VARCHAR(10),MembershipType VARCHAR(20)); INSERT INTO Members (MemberID,Age,Gender,MembershipType) VALUES (1,35,'Female','Premium'),(2,45,'Male','Basic'),(3,28,'Female','Premium'); CREATE TABLE ClassAttendance (MemberID INT,Class VARCHAR(20),Duration INT,Date DATE); INSERT INTO ClassAttendance (MemberID,Class,Duration,Date) VALUES (1,'Cycling',60,'2022-01-01'),(2,'Yoga',45,'2022-01-02'),(3,'Cycling',60,'2022-01-03'),(4,'Yoga',45,'2022-01-04'),(5,'Pilates',30,'2022-01-05'); | SELECT SUM(Duration) FROM Members JOIN ClassAttendance ON Members.MemberID = ClassAttendance.MemberID WHERE Members.Age BETWEEN 30 AND 39 AND ClassAttendance.Class = 'Yoga'; |
Insert new records of farmed trout in Iceland in 2023 with production quantities of 500, 750, and 1000. | CREATE TABLE Farming(country VARCHAR(255),year INT,species VARCHAR(255),production FLOAT); | INSERT INTO Farming (country, year, species, production) VALUES ('Iceland', 2023, 'Trout', 500), ('Iceland', 2023, 'Trout', 750), ('Iceland', 2023, 'Trout', 1000); |
What is the percentage of properties in each city that have sustainable features? | CREATE TABLE cities (city_id INT,city_name VARCHAR(255));CREATE TABLE properties (property_id INT,city_id INT,has_sustainable_features BOOLEAN); INSERT INTO cities (city_id,city_name) VALUES (1,'CityA'),(2,'CityB'); INSERT INTO properties (property_id,city_id,has_sustainable_features) VALUES (1,1,TRUE),(2,1,FALSE),(3,2,TRUE),(4,2,TRUE); | SELECT city_id, 100.0 * AVG(has_sustainable_features::INT) as percentage_sustainable FROM properties GROUP BY city_id; |
What is the total budget allocated for public safety and environmental protection services in the state of California in 2021? | CREATE TABLE budget_allocation (year INT,state VARCHAR(20),service VARCHAR(20),amount INT); INSERT INTO budget_allocation VALUES (2021,'California','Public Safety',3000000),(2021,'California','Environmental Protection',4000000); | SELECT SUM(amount) FROM budget_allocation WHERE state = 'California' AND (service = 'Public Safety' OR service = 'Environmental Protection') AND year = 2021; |
What percentage of concert ticket sales are from Asia? | CREATE TABLE concert_sales (sale_id INT,sale_country VARCHAR(50),tickets_sold INT); INSERT INTO concert_sales (sale_id,sale_country,tickets_sold) VALUES (1,'Japan',500),(2,'China',800),(3,'Canada',1500); | SELECT (SUM(CASE WHEN sale_country = 'Asia' THEN tickets_sold ELSE 0 END) / SUM(tickets_sold)) * 100 AS percentage FROM concert_sales; |
What is the total number of unique wallet addresses that have interacted with decentralized applications on the Polkadot network, and what is the average number of interactions per address? | CREATE TABLE polkadot_dapps (wallet_address VARCHAR(255),interaction_count INT); | SELECT COUNT(DISTINCT wallet_address) as total_wallets, AVG(interaction_count) as avg_interactions FROM polkadot_dapps; |
What are the names of attorneys who have a 100% success rate? | CREATE TABLE cases (case_id INT,attorney_name VARCHAR(50),case_outcome VARCHAR(10)); INSERT INTO cases (case_id,attorney_name,case_outcome) VALUES (1,'Jane Jones','Won'),(2,'Robert Smith','Lost'),(3,'Jane Jones','Won'); | SELECT attorney_name FROM cases WHERE case_outcome = 'Won' GROUP BY attorney_name HAVING COUNT(*) = (SELECT COUNT(*) FROM cases WHERE attorney_name = cases.attorney_name AND case_outcome = 'Won'); |
What is the maximum number of employees for startups founded by minorities? | CREATE TABLE startup (id INT,name TEXT,founder_race TEXT,num_employees INT); INSERT INTO startup (id,name,founder_race,num_employees) VALUES (1,'MinorityStart','Minority',500); INSERT INTO startup (id,name,founder_race,num_employees) VALUES (2,'TechStart','White',100); | SELECT MAX(num_employees) FROM startup WHERE founder_race = 'Minority'; |
What is the total number of fair trade and organic certified items in the inventory? | CREATE TABLE inventory (id INT,item_name VARCHAR(255),category VARCHAR(255),is_fair_trade BOOLEAN,is_organic BOOLEAN); INSERT INTO inventory (id,item_name,category,is_fair_trade,is_organic) VALUES (1,'T-Shirt','Tops',true,true),(2,'Jeans','Bottoms',true,false),(3,'Hoodie','Tops',false,true); | SELECT COUNT(*) FROM inventory WHERE is_fair_trade = true OR is_organic = true; |
List all clinical trials that have been conducted in 'CountryA' or 'CountryB'. | CREATE TABLE clinical_trials (trial_id INTEGER,country TEXT); INSERT INTO clinical_trials (trial_id,country) VALUES (1,'CountryA'),(2,'CountryB'),(3,'CountryC'); | SELECT DISTINCT trial_id FROM clinical_trials WHERE country IN ('CountryA', 'CountryB'); |
List the names of all female players who have played strategy games. | CREATE TABLE players (player_id int,age int,gender varchar(10),country varchar(20)); INSERT INTO players (player_id,age,gender,country) VALUES (1,25,'Male','USA'),(2,30,'Female','Canada'),(3,22,'Male','Mexico'),(4,35,'Female','USA'); CREATE TABLE game_sessions (session_id int,player_id int,game_name varchar(20),game_type varchar(10),duration int); INSERT INTO game_sessions (session_id,player_id,game_name,game_type,duration) VALUES (1,1,'Racing Game','Non-VR',60),(2,1,'Shooter Game','VR',90),(3,2,'Strategy Game','Non-VR',120),(4,3,'Action Game','Non-VR',180),(5,4,'Strategy Game','Non-VR',150); CREATE TABLE game_catalog (game_name varchar(20),game_type varchar(10)); INSERT INTO game_catalog (game_name,game_type) VALUES ('Racing Game','Non-VR'),('Shooter Game','VR'),('Strategy Game','Non-VR'),('Action Game','Non-VR'); | SELECT DISTINCT players.player_id, players.gender, game_sessions.game_name FROM players INNER JOIN game_sessions ON players.player_id = game_sessions.player_id INNER JOIN game_catalog ON game_sessions.game_name = game_catalog.game_name WHERE players.gender = 'Female' AND game_catalog.game_type = 'Strategy'; |
What is the total number of women-owned businesses in each province of South Africa? | CREATE TABLE businesses (id INT,owner VARCHAR(10),province VARCHAR(20),women_owned BOOLEAN); INSERT INTO businesses (id,owner,province,women_owned) VALUES (1,'Owner 1','Province 1',true); INSERT INTO businesses (id,owner,province,women_owned) VALUES (2,'Owner 2','Province 2',false); | SELECT province, COUNT(*) FROM businesses WHERE women_owned = true GROUP BY province; |
Which countries have the highest sales revenue for organic hair care products? | CREATE TABLE CountrySales (country VARCHAR(50),product_id INT,revenue DECIMAL(10,2),is_organic BOOLEAN); | SELECT country, SUM(revenue) FROM CountrySales WHERE is_organic = TRUE GROUP BY country ORDER BY SUM(revenue) DESC LIMIT 3; |
What is the total number of research expeditions to the Arctic by organization? | CREATE TABLE ResearchExpeditions(expedition_id INT,organization VARCHAR(255)); | SELECT organization, COUNT(*) FROM ResearchExpeditions GROUP BY organization; |
What is the total budget of all climate mitigation projects in the US? | CREATE TABLE projects (id INT PRIMARY KEY,name VARCHAR(50),location VARCHAR(50),type VARCHAR(20),budget FLOAT); INSERT INTO projects (id,name,location,type,budget) VALUES (1,'Carbon Capture','US','Mitigation',7000000.0); INSERT INTO projects (id,name,location,type,budget) VALUES (2,'Green Roofs','New York','Adaptation',3000000.0); | SELECT SUM(budget) FROM projects WHERE location = 'US' AND type = 'Mitigation'; |
What is the total revenue generated by music festivals in Europe in 2022? | CREATE TABLE Festivals (id INT,name VARCHAR(50),country VARCHAR(50),year INT,revenue INT); INSERT INTO Festivals (id,name,country,year,revenue) VALUES (1,'Glastonbury','UK',2022,5000000),(2,'Tomorrowland','Belgium',2022,7000000),(3,'Roskilde','Denmark',2021,6000000); | SELECT SUM(revenue) FROM Festivals WHERE country IN ('UK', 'Belgium', 'Denmark') AND year = 2022; |
How many games are designed by women in Canada and Germany? | CREATE TABLE GameDesigners (DesignerID INT,DesignerName VARCHAR(50),Gender VARCHAR(10),Country VARCHAR(20),GameID INT); | SELECT COUNT(DISTINCT GameID) FROM GameDesigners WHERE Country IN ('Canada', 'Germany') AND Gender = 'Female'; |
How many energy efficiency policies were implemented in the EU between 2015 and 2020, inclusive? | CREATE TABLE energy_efficiency_policies (policy_name VARCHAR(255),policy_date DATE); | SELECT COUNT(*) FROM energy_efficiency_policies WHERE policy_date BETWEEN '2015-01-01' AND '2020-12-31'; |
What is the average temperature in 'Miami' for January? | CREATE TABLE weather (city VARCHAR(255),temperature FLOAT,date DATE); INSERT INTO weather (city,temperature,date) VALUES ('Miami',75,'2022-01-01'),('Miami',72,'2022-01-02'),('Miami',78,'2022-01-03'); | SELECT AVG(temperature) FROM weather WHERE city = 'Miami' AND date BETWEEN '2022-01-01' AND '2022-01-31'; |
How many unique offenders were there in the 'criminal_database' table without specifying their ethnicity in the 'offender_demographics' table? | CREATE TABLE criminal_database (offender_id INT,offense VARCHAR(255)); CREATE TABLE offender_demographics (offender_id INT,ethnicity VARCHAR(255)); | SELECT COUNT(DISTINCT offender_id) FROM criminal_database WHERE offender_id NOT IN (SELECT offender_id FROM offender_demographics); |
How many vehicles were serviced in each region last month? | CREATE TABLE Regions (RegionID int,RegionName varchar(50)); INSERT INTO Regions VALUES (1,'North'); INSERT INTO Regions VALUES (2,'South'); CREATE TABLE VehicleMaintenance (MaintenanceID int,VehicleID int,MaintenanceDate date,RegionID int); INSERT INTO VehicleMaintenance VALUES (1,1,'2022-02-10',1); INSERT INTO VehicleMaintenance VALUES (2,2,'2022-02-15',1); INSERT INTO VehicleMaintenance VALUES (3,3,'2022-03-01',2); | SELECT Regions.RegionName, COUNT(VehicleMaintenance.VehicleID) as VehiclesServiced FROM Regions INNER JOIN VehicleMaintenance ON Regions.RegionID = VehicleMaintenance.RegionID WHERE VehicleMaintenance.MaintenanceDate BETWEEN DATE_SUB(LAST_DAY(CURDATE()), INTERVAL 2 MONTH) AND LAST_DAY(CURDATE()) GROUP BY Regions.RegionName; |
What is the total value of veteran employment initiatives in Texas since 2018? | CREATE TABLE employment_initiatives (initiative_id INT,state VARCHAR(2),start_year INT,end_year INT,initiative_value DECIMAL(10,2)); INSERT INTO employment_initiatives (initiative_id,state,start_year,end_year,initiative_value) VALUES (1,'Texas',2018,2022,1500000.00),(2,'California',2019,2023,1200000.00); | SELECT SUM(initiative_value) FROM employment_initiatives WHERE state = 'Texas' AND start_year <= 2018 AND end_year >= 2018; |
What is the average energy production of wind farms in Denmark? | CREATE TABLE Wind_Farms (Farm_Name VARCHAR(30),Country VARCHAR(20),Production INT); INSERT INTO Wind_Farms VALUES ('Horns Rev','Denmark',250),('Rødsand','Denmark',300),('Nysted','Denmark',350),('Anholt','Denmark',400); | SELECT AVG(Production) AS Avg_Production FROM Wind_Farms WHERE Country = 'Denmark'; |
What is the average rating for movies belonging to the 'Action' genre? | CREATE TABLE movies (id INT,title VARCHAR(255),genre VARCHAR(50),rating DECIMAL(3,2)); INSERT INTO movies (id,title,genre,rating) VALUES (1,'MovieA','Action',7.2); INSERT INTO movies (id,title,genre,rating) VALUES (2,'MovieB','Comedy',8.5); INSERT INTO movies (id,title,genre,rating) VALUES (3,'MovieC','Action',6.8); | SELECT AVG(rating) FROM movies WHERE genre = 'Action'; |
What is the total size of protected habitats for each type of habitat? | CREATE TABLE habitats (id INT,name TEXT,habitat_type TEXT,size_km2 FLOAT); INSERT INTO habitats (id,name,habitat_type,size_km2) VALUES (1,'Habitat1','Forest',50.3),(2,'Habitat2','Savannah',32.1),(3,'Habitat3','Savannah',87.6),(4,'Habitat4','Wetlands',22.5),(5,'Habitat5','Forest',75.8); | SELECT habitat_type, SUM(size_km2) as total_size FROM habitats GROUP BY habitat_type; |
What is the average price of products made from organic cotton, sold in the European market? | CREATE TABLE products (product_id INT,material VARCHAR(20),price DECIMAL(5,2),market VARCHAR(20)); INSERT INTO products (product_id,material,price,market) VALUES (1,'organic cotton',50.00,'Europe'),(2,'polyester',30.00,'Europe'),(3,'organic cotton',60.00,'Asia'); | SELECT AVG(price) FROM products WHERE material = 'organic cotton' AND market = 'Europe'; |
How many fans attended each event category? | CREATE TABLE Events (event_id INT,category VARCHAR(255),price DECIMAL(5,2)); INSERT INTO Events (event_id,category,price) VALUES (1,'Concert',50.99),(2,'Sports',30.50),(3,'Theater',75.00); CREATE TABLE Fans (fan_id INT,age INT,event_id INT); INSERT INTO Fans (fan_id,age,event_id) VALUES (1,25,1),(2,30,1),(3,18,2),(4,45,3); | SELECT e.category, COUNT(f.fan_id) FROM Events e LEFT JOIN Fans f ON e.event_id = f.event_id GROUP BY e.category; |
List the number of rural healthcare facilities in each state that offer mental health services. | CREATE TABLE facilities (facility_id INT,name VARCHAR(50),state VARCHAR(20),mental_health_services BOOLEAN); | SELECT state, COUNT(*) FROM facilities WHERE mental_health_services = true GROUP BY state; |
What is the total billing amount for cases lost by the top 2 attorneys? | CREATE TABLE attorneys (id INT,name VARCHAR(50),total_billing_amount DECIMAL(10,2)); CREATE TABLE cases (id INT,attorney_id INT,case_outcome VARCHAR(10)); | SELECT SUM(total_billing_amount) FROM (SELECT attorney_id, SUM(billing_amount) AS total_billing_amount FROM cases JOIN attorneys ON cases.attorney_id = attorneys.id WHERE case_outcome = 'lost' GROUP BY attorney_id ORDER BY total_billing_amount DESC LIMIT 2); |
What is the minimum price of Ytterbium produced in South Africa for the last 3 years? | CREATE TABLE ytterbium_prices (year INT,country TEXT,price FLOAT); INSERT INTO ytterbium_prices (year,country,price) VALUES (2019,'South Africa',220.0),(2020,'South Africa',230.0),(2021,'South Africa',240.0); | SELECT MIN(price) FROM ytterbium_prices WHERE country = 'South Africa' AND year >= 2019; |
Identify the graduate students in the College of Engineering who have not been assigned any advisors. | CREATE TABLE students (id INT,name VARCHAR(50),department VARCHAR(50)); CREATE TABLE advisors (id INT,student_id INT); INSERT INTO students VALUES (1,'Aarav','Engineering'),(2,'Bella','Engineering'),(3,'Chris','Engineering'); INSERT INTO advisors VALUES (1,1),(2,2); | SELECT DISTINCT students.id, students.name FROM students LEFT JOIN advisors ON students.id = advisors.student_id WHERE advisors.id IS NULL; |
What is the average mental health score of students in the 'Spring 2022' semester? | CREATE TABLE student_mental_health (student_id INT,mental_health_score INT,semester VARCHAR(20)); | SELECT AVG(mental_health_score) FROM student_mental_health WHERE semester = 'Spring 2022'; |
What is the total weight of plastic packaging used in cosmetics sold in France? | CREATE TABLE cosmetics_sales(product_name TEXT,weight FLOAT,sale_country TEXT); INSERT INTO cosmetics_sales(product_name,weight,sale_country) VALUES ('Mascara',12.5,'France'); | SELECT SUM(weight) FROM cosmetics_sales WHERE sale_country = 'France' AND packaging_material = 'plastic'; |
What is the change in funding for each visual arts program type from 2021 to 2022? | CREATE TABLE visual_arts_funding (id INT,program_type VARCHAR(255),funding_year INT,amount DECIMAL(10,2)); | SELECT program_type, (fy2022.amount - fy2021.amount) AS funding_change FROM visual_arts_funding fy2021, visual_arts_funding fy2022 WHERE fy2021.program_type = fy2022.program_type AND fy2021.funding_year = 2021 AND fy2022.funding_year = 2022 AND fy2021.program_type LIKE '%visual%arts%'; |
List the names and total contributions of organizations that have donated to technology for social good initiatives in the United States and Canada. | CREATE TABLE organizations (organization_id INT,name VARCHAR(50),donations_social_good FLOAT,country VARCHAR(50)); INSERT INTO organizations (organization_id,name,donations_social_good,country) VALUES (1,'OrgA',100000.0,'USA'),(2,'OrgB',150000.0,'Canada'),(3,'OrgC',75000.0,'USA'),(4,'OrgD',200000.0,'Canada'); | SELECT name, SUM(donations_social_good) FROM organizations WHERE country IN ('USA', 'Canada') GROUP BY name; |
Which countries have launched the most space missions in the last 10 years? | CREATE TABLE space_missions (id INT,mission_name VARCHAR(50),launch_date DATE,launch_country VARCHAR(50)); INSERT INTO space_missions (id,mission_name,launch_date,launch_country) VALUES (1,'STS-31','1990-04-24','USA'); INSERT INTO space_missions (id,mission_name,launch_date,launch_country) VALUES (2,'Soyuz TMA-20','2010-12-15','Russia'); | SELECT launch_country, COUNT(*) FROM space_missions WHERE YEAR(launch_date) >= YEAR(CURRENT_DATE) - 10 GROUP BY launch_country ORDER BY COUNT(*) DESC; |
Get the average mass of spacecraft per type. | CREATE TABLE spacecraft_mass (spacecraft_name VARCHAR(50),type VARCHAR(50),mass FLOAT); | SELECT type, AVG(mass) as avg_mass FROM spacecraft_mass GROUP BY type; |
How many autonomous driving research studies were conducted in North America? | CREATE TABLE AutonomousDrivingResearch (StudyID INT,StudyLocation VARCHAR(20)); INSERT INTO AutonomousDrivingResearch (StudyID,StudyLocation) VALUES (1,'North America'),(2,'Europe'); | SELECT COUNT(*) FROM AutonomousDrivingResearch WHERE StudyLocation = 'North America'; |
What is the percentage of repeat visitors for the "Photography Exhibit" program? | CREATE TABLE PhotographyExhibit(id INT,age INT,gender VARCHAR(10),visit_date DATE,is_repeat BOOLEAN); | SELECT 100.0 * COUNT(*) / (SELECT COUNT(*) FROM PhotographyExhibit WHERE is_repeat = FALSE) FROM PhotographyExhibit WHERE is_repeat = TRUE; |
Show the top 3 cities with the most green building certifications in the United States. | CREATE TABLE us_city_certifications (city VARCHAR(20),certifications INT); INSERT INTO us_city_certifications (city,certifications) VALUES ('New York',500),('Los Angeles',300),('Chicago',400),('Houston',200); | SELECT city, certifications FROM (SELECT city, certifications, RANK() OVER (ORDER BY certifications DESC) as rank FROM us_city_certifications WHERE country = 'United States') AS subquery WHERE rank <= 3; |
What is the average data usage difference between the highest and lowest data usage customers in each city? | CREATE TABLE city_customer_data (customer_id INT,city VARCHAR(50),data_usage_gb FLOAT); INSERT INTO city_customer_data (customer_id,city,data_usage_gb) VALUES (1,'Delhi',25.6),(2,'Delhi',30.9),(3,'Mumbai',45.2),(4,'Mumbai',52.1),(5,'Bangalore',15.6),(6,'Bangalore',18.9); | SELECT city, AVG(MAX(data_usage_gb) - MIN(data_usage_gb)) as avg_data_usage_diff FROM city_customer_data GROUP BY city; |
What is the average age of employees who identify as a racial or ethnic minority? | CREATE TABLE employees (id INT,age INT,gender VARCHAR(10),racial_ethnic_minority BOOLEAN); | SELECT AVG(age) FROM employees WHERE racial_ethnic_minority = TRUE; |
What is the minimum age of patients in Australia who have been diagnosed with anxiety disorders? | CREATE TABLE patients (id INT,age INT,gender TEXT,country TEXT); CREATE TABLE diagnoses (id INT,patient_id INT,disorder_name TEXT); INSERT INTO diagnoses (id,patient_id,disorder_name) VALUES (1,101,'Anxiety Disorder'); | SELECT MIN(patients.age) FROM patients JOIN diagnoses ON patients.id = diagnoses.patient_id WHERE diagnoses.disorder_name = 'Anxiety Disorder' AND patients.country = 'Australia'; |
What is the total number of cases heard in each court type in each state? | CREATE TABLE court_types (court_type_id INT,court_type_name VARCHAR(20),court_state VARCHAR(2)); INSERT INTO court_types VALUES (1,'Community','NY'),(2,'Juvenile','CA'),(3,'Traffic','IL'),(4,'Civil','TX'); CREATE TABLE court_cases (case_id INT,case_state VARCHAR(2),court_type_id INT,days_to_resolve INT); INSERT INTO court_cases VALUES (1,'NY',1,30),(2,'CA',2,45),(3,'IL',3,60),(4,'TX',4,15); | SELECT ct.court_type_name, cc.case_state, COUNT(cc.case_id) FROM court_types ct INNER JOIN court_cases cc ON ct.court_type_id = cc.court_type_id GROUP BY ct.court_type_name, cc.case_state; |
What is the average number of green buildings per state in the 'green_buildings' table? | CREATE TABLE green_buildings (state VARCHAR(255),building_type VARCHAR(255)); | SELECT state, AVG(cnt) FROM (SELECT state, COUNT(*) AS cnt FROM green_buildings GROUP BY state) AS state_building_counts; |
What is the revenue trend for dishes that are both vegetarian and gluten-free in the last month? | CREATE TABLE dishes (dish_id INT,dish VARCHAR(50),created_at TIMESTAMP,is_vegetarian BOOLEAN,is_gluten_free BOOLEAN);CREATE TABLE orders (order_id INT,dish_id INT,price DECIMAL(5,2)); | SELECT DATE_TRUNC('day', d.created_at) as day, SUM(o.price) as revenue FROM dishes d JOIN orders o ON d.dish_id = o.dish_id WHERE d.is_vegetarian = TRUE AND d.is_gluten_free = TRUE AND d.created_at >= NOW() - INTERVAL '1 month' GROUP BY day ORDER BY day; |
Count the number of aquaculture sites in Thailand with a water depth greater than 10 meters? | CREATE TABLE thailand_aquaculture_sites (site_id INT,site_name TEXT,water_depth FLOAT,country TEXT); INSERT INTO thailand_aquaculture_sites (site_id,site_name,water_depth,country) VALUES (1,'Site O',12.5,'Thailand'),(2,'Site P',8.2,'Thailand'),(3,'Site Q',15.0,'Thailand'); | SELECT COUNT(*) FROM thailand_aquaculture_sites WHERE water_depth > 10.0; |
Who are the top 3 artists by total revenue from streaming platforms in 2020? | CREATE TABLE artists (artist_id INT,artist_name VARCHAR(30)); INSERT INTO artists (artist_id,artist_name) VALUES (1,'Ariana Grande'),(2,'BTS'),(3,'Drake'),(4,'Ed Sheeran'),(5,'Taylor Swift'); CREATE TABLE streams (stream_id INT,artist_id INT,revenue DECIMAL(10,2),stream_date DATE); INSERT INTO streams (stream_id,artist_id,revenue,stream_date) VALUES (1,1,10.50,'2020-03-15'),(2,1,12.25,'2020-07-27'),(3,2,9.99,'2020-09-01'),(4,3,15.00,'2020-11-29'),(5,1,8.75,'2020-12-31'),(6,2,11.25,'2020-05-14'); | SELECT artists.artist_name, SUM(streams.revenue) AS total_revenue FROM artists INNER JOIN streams ON artists.artist_id = streams.artist_id WHERE streams.stream_date BETWEEN '2020-01-01' AND '2020-12-31' GROUP BY artists.artist_name ORDER BY total_revenue DESC LIMIT 3; |
What are the names and types of local businesses in Paris with more than 10 seats? | CREATE TABLE local_business (id INT PRIMARY KEY,name VARCHAR(255),type VARCHAR(255),location VARCHAR(255),seats INT); INSERT INTO local_business (id,name,type,location,seats) VALUES (1,'Bistrot La Fontaine','French','Paris',15); | SELECT l.name, l.type, l.location FROM local_business l WHERE l.location = 'Paris' AND l.seats > 10; |
What is the maximum number of games played by a team in a single season? | CREATE TABLE team_schedule (team_id INT,played INT); INSERT INTO team_schedule (team_id,played) VALUES (1,25),(2,28),(3,30),(4,26); | SELECT MAX(played) FROM team_schedule; |
What is the total number of eco-friendly tours offered in Spain and Germany? | CREATE TABLE tours_sp_de (id INT,country VARCHAR(50),type VARCHAR(50)); INSERT INTO tours_sp_de (id,country,type) VALUES (1,'Spain','Eco-friendly'),(2,'Spain','Regular'),(3,'Germany','Eco-friendly'); | SELECT SUM(CASE WHEN type = 'Eco-friendly' THEN 1 ELSE 0 END) FROM tours_sp_de WHERE country IN ('Spain', 'Germany'); |
What is the total number of articles published on investigative journalism in the last year? | CREATE TABLE articles (id INT,title VARCHAR(50),topic VARCHAR(50),publish_date DATE); INSERT INTO articles (id,title,topic,publish_date) VALUES (1,'Investigation on Corruption','investigative journalism','2022-02-10'); | SELECT COUNT(*) FROM articles WHERE topic = 'investigative journalism' AND publish_date >= DATE_SUB(CURRENT_DATE, INTERVAL 1 YEAR); |
How many unique passengers have traveled on each route, ordered by the number of passengers? | CREATE TABLE passenger (passenger_id INT,route_id INT,boarding_time TIMESTAMP,alighting_time TIMESTAMP); INSERT INTO passenger (passenger_id,route_id,boarding_time,alighting_time) VALUES (1,1,'2021-01-01 08:10:00','2021-01-01 08:20:00'),(2,1,'2021-01-01 08:30:00','2021-01-01 08:40:00'),(3,2,'2021-01-01 09:00:00','2021-01-01 09:15:00'); | SELECT route_id, COUNT(DISTINCT passenger_id) AS unique_passengers FROM passenger GROUP BY route_id ORDER BY unique_passengers DESC; |
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