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Find the average donation amount for the 'Feeding America' campaign in '2020'. | CREATE TABLE donations (id INT,donation_date DATE,campaign TEXT,amount INT); INSERT INTO donations (id,donation_date,campaign,amount) VALUES (1,'2021-01-01','Feeding America',50); INSERT INTO donations (id,donation_date,campaign,amount) VALUES (2,'2020-05-15','Feeding America',100); INSERT INTO donations (id,donation_date,campaign,amount) VALUES (3,'2020-12-31','Feeding America',25); | SELECT AVG(amount) FROM donations WHERE campaign = 'Feeding America' AND YEAR(donation_date) = 2020; |
What is the minimum revenue generated from any eco-friendly tour in Mexico? | CREATE TABLE mexico_tours (id INT,type VARCHAR(255),revenue FLOAT); INSERT INTO mexico_tours (id,type,revenue) VALUES (1,'Eco-friendly',600.00),(2,'Eco-friendly',700.00); | SELECT MIN(revenue) FROM mexico_tours WHERE type = 'Eco-friendly'; |
Delete records in the 'player_scores' table where the player's score is below 500 | CREATE TABLE player_scores (player_id INT,game_id INT,score INT,date DATE); | DELETE FROM player_scores WHERE score < 500; |
What is the total funding received for 'Theatre' programs in 2022? | CREATE TABLE funding_sources (funding_source_name VARCHAR(50),program_name VARCHAR(50),funding_amount DECIMAL(10,2),funding_year INT); INSERT INTO funding_sources (funding_source_name,program_name,funding_amount,funding_year) VALUES ('Government Grant','Theatre',25000,2022),('Private Donation','Theatre',50000,2022),('Corporate Sponsorship','Music',30000,2022); | SELECT SUM(funding_amount) FROM funding_sources WHERE program_name = 'Theatre' AND funding_year = 2022; |
What is the number of electric vehicle charging stations per city and per type? | CREATE TABLE charging_stations (station_id INT,city VARCHAR(50),station_type VARCHAR(50),is_ev_charging BOOLEAN); | SELECT city, station_type, COUNT(*) as num_stations FROM charging_stations WHERE is_ev_charging = true GROUP BY city, station_type; |
What is the average adherence rate for drugs in the Southeast region, excluding those with adherence rates below 50%? | CREATE TABLE adherence (id INT PRIMARY KEY,patient_id INT,drug_id INT,region VARCHAR(255),adherence DECIMAL(4,2),adherence_date DATE); | SELECT AVG(a.adherence) as average_adherence FROM adherence a WHERE a.region = 'Southeast' AND a.adherence >= 0.5; |
What is the average age of male patients diagnosed with diabetes? | CREATE TABLE patients (id INT,gender TEXT,age INT,diagnosis TEXT); INSERT INTO patients (id,gender,age,diagnosis) VALUES (1,'Male',65,'Diabetes'); | SELECT AVG(age) FROM patients WHERE gender = 'Male' AND diagnosis = 'Diabetes'; |
List all pipelines that cross international borders | CREATE TABLE pipelines (pipeline_id INT,pipeline_name TEXT,start_location TEXT,end_location TEXT,country_start TEXT,country_end TEXT); INSERT INTO pipelines (pipeline_id,pipeline_name,start_location,end_location,country_start,country_end) VALUES (1,'Pipeline C','Canada','US','Canada','US'),(2,'Pipeline D','Mexico','US','Mexico','US'),(3,'Pipeline E','Norway','Sweden','Norway','Sweden'); | SELECT pipeline_name FROM pipelines WHERE country_start <> country_end; |
Find the average gameplay duration for players in the 'EU_West' region | CREATE TABLE players (player_id INT,region VARCHAR(10)); CREATE TABLE game_sessions (session_id INT,player_id INT,duration FLOAT,PRIMARY KEY (session_id),FOREIGN KEY (player_id) REFERENCES players(player_id)); INSERT INTO players (player_id,region) VALUES (1,'EU_West'),(2,'NA_East'); INSERT INTO game_sessions (session_id,player_id,duration) VALUES (1,1,60.5),(2,1,45.3),(3,2,30.7),(4,2,75.2); | SELECT AVG(duration) FROM game_sessions WHERE player_id IN (SELECT player_id FROM players WHERE region = 'EU_West'); |
How many mobile subscribers are there in Illinois with a data plan that is not unlimited? | CREATE TABLE mobile_subscribers (id INT,name VARCHAR(50),data_plan VARCHAR(20),state VARCHAR(50)); INSERT INTO mobile_subscribers (id,name,data_plan,state) VALUES (11,'Gina Adams','Limited','IL'); INSERT INTO mobile_subscribers (id,name,data_plan,state) VALUES (12,'Henry Brown','Limited','IL'); | SELECT COUNT(*) FROM mobile_subscribers WHERE data_plan != 'Unlimited' AND state = 'IL'; |
What is the number of mental health parity violations for each community health worker in the Los Angeles region? | CREATE TABLE community_health_workers (worker_id INT,name TEXT,region TEXT); INSERT INTO community_health_workers (worker_id,name,region) VALUES (1,'John Doe','Los Angeles'),(2,'Jane Smith','New York'); CREATE TABLE mental_health_parity_violations (id INT,worker_id INT,violation_count INT); INSERT INTO mental_health_parity_violations (id,worker_id,violation_count) VALUES (1,1,5),(2,1,3),(3,2,1); | SELECT c.name, m.violation_count FROM community_health_workers c JOIN mental_health_parity_violations m ON c.worker_id = m.worker_id WHERE c.region = 'Los Angeles' |
Write a SQL query to retrieve the names and addresses of policyholders aged 30 or older | SELECT name,address FROM policyholders WHERE age >= 30; | SELECT name, address FROM policyholders WHERE age >= 30; |
List the names of vessels that have traveled to the port of Dar es Salaam, Tanzania in the last 3 months. | CREATE TABLE vessels (id INT,name TEXT,last_port TEXT,last_port_date DATE); INSERT INTO vessels (id,name,last_port,last_port_date) VALUES (1,'VesselC','Singapore','2021-12-15'); INSERT INTO vessels (id,name,last_port,last_port_date) VALUES (2,'VesselD','Hong Kong','2021-11-30'); INSERT INTO vessels (id,name,last_port,last_port_date) VALUES (3,'VesselE','Dar es Salaam','2022-03-05'); | SELECT DISTINCT name FROM vessels WHERE last_port = 'Dar es Salaam' AND last_port_date >= DATE_SUB(CURDATE(), INTERVAL 3 MONTH); |
What is the total revenue from concert ticket sales for a specific artist? | CREATE TABLE Concerts (id INT,artist_id INT,city VARCHAR(50),revenue DECIMAL(10,2)); | SELECT SUM(revenue) AS total_revenue FROM Concerts WHERE artist_id = 1; |
Show the number of unique species found in each ocean basin in the 'species_distribution' table. | CREATE TABLE species_distribution (species_id INT,ocean_basin VARCHAR(20)); | SELECT ocean_basin, COUNT(DISTINCT species_id) FROM species_distribution GROUP BY ocean_basin; |
Which ports have not handled any cargo with a weight above a certain threshold? | CREATE TABLE ports (id INT,name VARCHAR(255),location VARCHAR(255),operated_by VARCHAR(255)); CREATE TABLE cargo (id INT,port_id INT,weight INT); INSERT INTO ports (id,name,location,operated_by) VALUES (1,'Port A','New York','Company A'),(2,'Port B','Los Angeles','Company B'); INSERT INTO cargo (id,port_id,weight) VALUES (1,1,5000),(2,1,7000),(3,2,3000); | SELECT ports.name FROM ports LEFT JOIN cargo ON ports.id = cargo.port_id WHERE cargo.weight IS NULL OR cargo.weight <= 5000; |
List all artists who have streamed in the USA and held concerts in Canada. | CREATE TABLE music_streaming (artist_id INT,artist_name VARCHAR(100),genre VARCHAR(50),country VARCHAR(50)); CREATE TABLE concert_ticket_sales (concert_id INT,artist_id INT,concert_date DATE,venue VARCHAR(100),country VARCHAR(50)); | SELECT DISTINCT artist_name FROM music_streaming WHERE country = 'USA' INTERSECT SELECT DISTINCT artist_name FROM concert_ticket_sales WHERE country = 'Canada'; |
What is the count of products with ethical labor practices? | CREATE TABLE products (product_id INT,has_ethical_labor BOOLEAN); INSERT INTO products (product_id,has_ethical_labor) VALUES (1,true),(2,false),(3,true),(4,false),(5,true); | SELECT COUNT(*) FROM products WHERE has_ethical_labor = true; |
What are the names and daily transaction counts of the top 3 blockchain networks with the highest daily transaction volumes? | CREATE TABLE blockchains (blockchain_id INT,blockchain_name VARCHAR(50),daily_transactions INT); INSERT INTO blockchains (blockchain_id,blockchain_name,daily_transactions) VALUES (1,'Ethereum',50000); INSERT INTO blockchains (blockchain_id,blockchain_name,daily_transactions) VALUES (2,'Solana',100000); INSERT INTO blockchains (blockchain_id,blockchain_name,daily_transactions) VALUES (3,'Cardano',20000); INSERT INTO blockchains (blockchain_id,blockchain_name,daily_transactions) VALUES (4,'Polkadot',30000); | SELECT blockchain_name, daily_transactions FROM blockchains ORDER BY daily_transactions DESC LIMIT 3; |
What is the maximum number of innings bowled by a bowler from the north_team in cricket_matches? | CREATE TABLE cricket_teams (team_id INT,team_name VARCHAR(50),region VARCHAR(50));CREATE TABLE cricket_players (player_id INT,player_name VARCHAR(50),position VARCHAR(50),team_id INT);CREATE TABLE cricket_matches (match_id INT,home_team_id INT,away_team_id INT,home_team_innings INT,away_team_innings INT,bowler_id INT); | SELECT MAX(home_team_innings + away_team_innings) AS max_innings FROM cricket_matches JOIN cricket_players ON cricket_matches.bowler_id = cricket_players.player_id JOIN cricket_teams ON cricket_players.team_id = cricket_teams.team_id WHERE cricket_teams.region = 'north_team'; |
What is the maximum number of virtual tour participants for the exhibition 'African Art: Ancient to Modern' in the last year? | CREATE TABLE virtual_tour_attendees (id INT,exhibition_name VARCHAR(50),participants INT,tour_date DATE); INSERT INTO virtual_tour_attendees (id,exhibition_name,participants,tour_date) VALUES (1,'African Art: Ancient to Modern',120,'2022-03-01'); INSERT INTO virtual_tour_attendees (id,exhibition_name,participants,tour_date) VALUES (2,'African Art: Ancient to Modern',150,'2023-02-15'); | SELECT MAX(participants) FROM virtual_tour_attendees WHERE exhibition_name = 'African Art: Ancient to Modern' AND tour_date >= DATE_SUB(CURDATE(), INTERVAL 1 YEAR); |
What is the average revenue of restaurants in the "downtown" area? | CREATE TABLE restaurants (id INT,name TEXT,area TEXT,revenue FLOAT); INSERT INTO restaurants (id,name,area,revenue) VALUES (1,'Restaurant A','downtown',50000.00),(2,'Restaurant B','uptown',45000.00),(3,'Restaurant C','downtown',60000.00),(4,'Restaurant D','downtown',75000.00); | SELECT AVG(revenue) FROM restaurants WHERE area = 'downtown'; |
What is the maximum salary in the 'HR' department? | CREATE TABLE Employees (EmployeeID INT,Department VARCHAR(255),Gender VARCHAR(255),Salary DECIMAL(10,2)); INSERT INTO Employees (EmployeeID,Department,Gender,Salary) VALUES (1,'IT','Male',75000.00),(2,'Diversity and Inclusion','Female',68000.00),(3,'HR','Male',65000.00); | SELECT MAX(Salary) FROM Employees WHERE Department = 'HR'; |
List the precision farming crops that are grown in both California and Texas. | CREATE TABLE Crops(state VARCHAR(255),name VARCHAR(255)); INSERT INTO Crops(state,name) VALUES('California','Corn'),('California','Soybean'),('California','Wheat'),('Texas','Cotton'),('Texas','Rice'),('Texas','Corn'); | SELECT name FROM Crops WHERE state = 'California' INTERSECT SELECT name FROM Crops WHERE state = 'Texas'; |
What is the average depth of marine protected areas? | CREATE TABLE marine_protected_areas (area_id INT,name VARCHAR(255),depth FLOAT); | SELECT AVG(depth) FROM marine_protected_areas; |
What is the number of volunteers who have participated in programs in each country? | CREATE TABLE volunteers (id INT,volunteer_name VARCHAR,country VARCHAR,program VARCHAR); INSERT INTO volunteers (id,volunteer_name,country,program) VALUES (1,'Alice','USA','Youth Mentoring'),(2,'Bob','Canada','Women Empowerment'),(3,'Charlie','Mexico','Community Service'); CREATE TABLE programs (id INT,program VARCHAR,community VARCHAR); INSERT INTO programs (id,program,community) VALUES (1,'Youth Mentoring','Underrepresented'),(2,'Women Empowerment','Underrepresented'),(3,'Community Service','Underrepresented'); | SELECT country, COUNT(*) FROM volunteers v INNER JOIN programs p ON v.program = p.program GROUP BY country; |
What is the total number of animals in the 'endangered_species' table, grouped by their 'conservation_status'? | CREATE TABLE endangered_species(id INT,animal_name VARCHAR(50),conservation_status VARCHAR(50)); INSERT INTO endangered_species(id,animal_name,conservation_status) VALUES (1,'Amur Leopard','Critically Endangered'),(2,'Black Rhino','Critically Endangered'),(3,'Bengal Tiger','Endangered'); | SELECT conservation_status, COUNT(animal_name) FROM endangered_species GROUP BY conservation_status; |
How many vehicles are currently in service for each type in the 'seoul' schema? | CREATE TABLE seoul.vehicle_types (id INT,type VARCHAR); CREATE TABLE seoul.vehicles (id INT,type_id INT,is_active BOOLEAN); | SELECT seoul.vehicle_types.type, COUNT(*) FROM seoul.vehicle_types INNER JOIN seoul.vehicles ON seoul.vehicle_types.id = seoul.vehicles.type_id WHERE seoul.vehicles.is_active = TRUE GROUP BY seoul.vehicle_types.type; |
How many military equipment sales were made to Mexico? | CREATE TABLE military_sales(sale_id INT,equipment_name VARCHAR(50),sale_country VARCHAR(50)); INSERT INTO military_sales VALUES (1,'Tank','Canada'),(2,'Helicopter','Canada'),(3,'Airplane','Mexico'); | SELECT COUNT(*) FROM military_sales WHERE sale_country = 'Mexico'; |
Find the number of hospitals and schools in each city. | CREATE TABLE city_facilities (city TEXT,facility_type TEXT,facility_count INTEGER); INSERT INTO city_facilities (city,facility_type,facility_count) VALUES ('CityA','hospitals',2),('CityB','hospitals',1),('CityC','hospitals',1),('CityA','schools',3),('CityB','schools',3),('CityC','schools',2); | SELECT city, facility_type, SUM(facility_count) FROM city_facilities GROUP BY city, facility_type; |
Create a view to display all data related to the 'cotton_farming' sector | CREATE TABLE cotton_farming (country VARCHAR(50),region VARCHAR(50),total_production INT,water_usage INT); CREATE VIEW cotton_farming_view AS SELECT * FROM cotton_farming; | CREATE VIEW cotton_farming_view AS SELECT * FROM cotton_farming; |
Who are the top 5 customers with the highest calorie intake and their total calorie intake? | CREATE TABLE customers (id INT,name VARCHAR(255)); CREATE TABLE meals (id INT,customer_id INT,name VARCHAR(255),calories INT); INSERT INTO customers (id,name) VALUES (1001,'John Doe'),(1002,'Jane Doe'),(1003,'Mary Smith'); INSERT INTO meals (id,customer_id,name,calories) VALUES (1,1001,'Steak',800),(2,1002,'Poutine',700),(3,1001,'Burger',600),(4,1003,'Salad',400); | SELECT c.name, SUM(m.calories) as total_calories FROM customers c INNER JOIN meals m ON c.id = m.customer_id GROUP BY c.name ORDER BY total_calories DESC LIMIT 5; |
How many unique volunteers have participated in each program in 2021? | CREATE TABLE volunteer_programs (id INT,volunteer INT,program TEXT,volunteer_date DATE); INSERT INTO volunteer_programs (id,volunteer,program,volunteer_date) VALUES (1,1,'Education','2021-01-01'),(2,1,'Health','2021-02-01'),(3,2,'Education','2021-01-01'),(4,3,'Arts','2021-03-01'); | SELECT program, COUNT(DISTINCT volunteer) AS num_volunteers FROM volunteer_programs WHERE EXTRACT(YEAR FROM volunteer_date) = 2021 GROUP BY program ORDER BY num_volunteers DESC; |
Add a new employee from the 'Finance' department who joined the 'Diversity and Inclusion' training program in 2022. | CREATE TABLE finance_training (id INT,name VARCHAR(50),department VARCHAR(50),program VARCHAR(50),training_year INT); | INSERT INTO finance_training (id, name, department, program, training_year) VALUES (3, 'Tariq Ahmed', 'Finance', 'Diversity and Inclusion', 2022); |
Find the total size of fish farms in 'oceans' schema where the size is greater than 50. | CREATE SCHEMA oceans; CREATE TABLE fish_farms (id INT,size FLOAT,location VARCHAR(20)); INSERT INTO fish_farms (id,size,location) VALUES (1,55.2,'ocean'),(2,62.5,'ocean'),(3,70.3,'ocean'); | SELECT SUM(size) FROM oceans.fish_farms WHERE size > 50; |
Delete all emergency incidents reported before '2021-01-01' in district 4 neighborhoods | CREATE TABLE districts (id INT,name VARCHAR(255)); INSERT INTO districts (id,name) VALUES (4,'Uptown'); CREATE TABLE neighborhoods (id INT,district_id INT,name VARCHAR(255)); INSERT INTO neighborhoods (id,district_id,name) VALUES (201,4,'Northside'); INSERT INTO neighborhoods (id,district_id,name) VALUES (202,4,'Southside'); CREATE TABLE emergency_incidents (id INT,neighborhood_id INT,reported_date DATE); INSERT INTO emergency_incidents (id,neighborhood_id,reported_date) VALUES (2001,201,'2020-12-31'); INSERT INTO emergency_incidents (id,neighborhood_id,reported_date) VALUES (2002,201,'2021-01-02'); INSERT INTO emergency_incidents (id,neighborhood_id,reported_date) VALUES (2003,202,'2021-01-01'); | DELETE FROM emergency_incidents WHERE reported_date < '2021-01-01' AND neighborhood_id IN (SELECT id FROM neighborhoods WHERE district_id = 4); |
What is the number of hotels that have adopted AI voice assistants, grouped by continent? | CREATE TABLE hotels (hotel_id INT,hotel_name TEXT,country TEXT,ai_voice_assistant BOOLEAN);CREATE TABLE countries (country_id INT,country TEXT,continent TEXT); INSERT INTO hotels VALUES (3,'Hotel D','Canada',true); INSERT INTO countries VALUES (1,'Canada','North America'); | SELECT countries.continent, COUNT(*) FROM hotels INNER JOIN countries ON hotels.country = countries.country WHERE hotels.ai_voice_assistant = true GROUP BY countries.continent; |
Find the total amount of Shariah-compliant financing for each country? | CREATE TABLE shariah_financing(client_id INT,country VARCHAR(25),amount FLOAT);INSERT INTO shariah_financing(client_id,country,amount) VALUES (1,'Malaysia',5000),(2,'UAE',7000),(3,'Indonesia',6000),(4,'Saudi Arabia',8000); | SELECT country, SUM(amount) as total_financing FROM shariah_financing GROUP BY country; |
What is the change in energy efficiency for each smart city compared to the previous year? | CREATE TABLE city_energy_efficiency (city_name TEXT,year INTEGER,efficiency FLOAT); INSERT INTO city_energy_efficiency VALUES ('CityA',2020,0.5),('CityA',2021,0.55),('CityB',2020,0.7),('CityB',2021,0.73); | SELECT a.city_name, a.year, a.efficiency, b.efficiency, a.efficiency - b.efficiency AS difference FROM city_energy_efficiency a INNER JOIN city_energy_efficiency b ON a.city_name = b.city_name AND a.year - 1 = b.year; |
How many clinics in Texas offer the Pfizer or Moderna vaccine? | CREATE TABLE clinic_vaccines (clinic_id INT,vaccine_name VARCHAR(255),state VARCHAR(255)); CREATE TABLE clinics (clinic_id INT,clinic_name VARCHAR(255)); INSERT INTO clinic_vaccines (clinic_id,vaccine_name,state) VALUES (1,'Pfizer','Texas'),(2,'Moderna','Texas'); INSERT INTO clinics (clinic_id,clinic_name) VALUES (1,'Clinic A'),(2,'Clinic B'); | SELECT COUNT(*) FROM clinic_vaccines v INNER JOIN clinics c ON v.clinic_id = c.clinic_id WHERE v.vaccine_name IN ('Pfizer', 'Moderna') AND v.state = 'Texas'; |
What is the name and total budget of the intelligence agency with the highest budget in the 'intelligence_budget' view? | CREATE VIEW intelligence_budget AS SELECT agency_id,agency_name,budget FROM intelligence_agency_data WHERE category = 'budget'; CREATE TABLE intelligence_agency_data (agency_id INT PRIMARY KEY,agency_name VARCHAR(100),category VARCHAR(50),data_value FLOAT); INSERT INTO intelligence_agency_data (agency_id,agency_name,category,data_value) VALUES (1,'CIA','budget',15000000000),(2,'NSA','budget',12000000000); | SELECT agency_name, SUM(data_value) FROM intelligence_budget WHERE category = 'budget' GROUP BY agency_name ORDER BY SUM(data_value) DESC LIMIT 1; |
What is the total revenue generated by K-pop music from digital sales and streaming platforms in Q4 2021? | CREATE TABLE sales (id INT,song_id INT,revenue FLOAT,sale_type VARCHAR(20),sale_date DATE,genre VARCHAR(20)); INSERT INTO sales (id,song_id,revenue,sale_type,sale_date,genre) VALUES (1,1,12.99,'Digital','2021-12-15','K-pop'),(2,2,6.99,'Streaming','2021-10-01','K-pop'); | SELECT SUM(revenue) FROM sales WHERE sale_type IN ('Digital', 'Streaming') AND genre = 'K-pop' AND sale_date >= '2021-10-01' AND sale_date <= '2021-12-31'; |
What is the total income of clients in Malaysia who are over 30 years old? | CREATE TABLE clients (client_id INT,name VARCHAR(100),age INT,country VARCHAR(50),income DECIMAL(10,2)); INSERT INTO clients (client_id,name,age,country,income) VALUES (4,'Ali Baba',32,'Malaysia',50000); | SELECT SUM(income) FROM clients WHERE country = 'Malaysia' AND age > 30; |
Delete records with a heart rate below 60 bpm in the wearables table | CREATE TABLE wearables (member_id INT,device_type VARCHAR(50),heart_rate INT); | DELETE FROM wearables WHERE heart_rate < 60; |
List all countries and the number of satellites they have in orbit. | CREATE TABLE countries (id INT,name VARCHAR(50)); CREATE TABLE satellites (id INT,country_id INT,name VARCHAR(50)); | SELECT c.name, COUNT(s.id) FROM countries c JOIN satellites s ON c.id = s.country_id GROUP BY c.name; |
What is the number of indigenous communities in each Arctic country? | CREATE TABLE IndigenousCommunities (country varchar(50),community_name varchar(50),population int); | SELECT country, COUNT(DISTINCT community_name) AS num_communities FROM IndigenousCommunities GROUP BY country; |
What is the maximum salary of sports columnists from the 'writers' and 'salaries' tables? | CREATE TABLE writers (id INT,name VARCHAR(50),gender VARCHAR(10),department VARCHAR(20)); CREATE TABLE salaries (id INT,writer_id INT,salary INT); | SELECT MAX(s.salary) FROM writers w JOIN salaries s ON w.id = s.writer_id WHERE w.department = 'sports_columnist'; |
What is the distribution of post engagement for each platform? | CREATE TABLE engagement_data (platform VARCHAR(20),engagement NUMERIC(10,2)); | SELECT platform, AVG(engagement) FROM engagement_data GROUP BY platform; |
How many unique artifact types are present in the 'Artifact_Inventory' table? | CREATE TABLE Artifact_Inventory (id INT,artifact_name VARCHAR(50),artifact_type VARCHAR(50)); INSERT INTO Artifact_Inventory (id,artifact_name,artifact_type) VALUES (1,'Artifact 1','Pottery'),(2,'Artifact 2','Stone Tool'),(3,'Artifact 3','Pottery'),(4,'Artifact 4','Bone Tool'); | SELECT COUNT(DISTINCT artifact_type) FROM Artifact_Inventory; |
Get the top 3 countries with the most posts related to AI. | CREATE TABLE users (id INT,name VARCHAR(255),country VARCHAR(255)); CREATE TABLE posts (id INT,user_id INT,content TEXT,created_at TIMESTAMP); | SELECT users.country, COUNT(posts.id) AS posts_count FROM users JOIN posts ON users.id = posts.user_id WHERE posts.content LIKE '%AI%' GROUP BY users.country ORDER BY posts_count DESC LIMIT 3; |
Find the top 3 hotel chains with the highest revenue in the 'Chain_Sales' table. | CREATE TABLE Chain_Sales (chain TEXT,revenue INT); INSERT INTO Chain_Sales (chain,revenue) VALUES ('ABC Hotels',800000),('XYZ Hotels',900000),('LMN Hotels',700000); | SELECT chain, revenue FROM (SELECT chain, revenue, DENSE_RANK() OVER (ORDER BY revenue DESC) as rank FROM Chain_Sales) WHERE rank <= 3; |
Identify the unique authors who have not contributed to any investigative projects. | CREATE TABLE authors (id INT,name VARCHAR(50)); INSERT INTO authors (id,name) VALUES (1,'Alexandre Oliveira'); INSERT INTO authors (id,name) VALUES (2,'Nina Gupta'); INSERT INTO authors (id,name) VALUES (3,'Park Soo-jin'); CREATE TABLE investigative_projects (id INT,title VARCHAR(100),lead_investigator_id INT,author_id INT); INSERT INTO investigative_projects (id,title,lead_investigator_id,author_id) VALUES (1,'Corruption in Local Government',4,1); INSERT INTO investigative_projects (id,title,lead_investigator_id,author_id) VALUES (2,'Impact of Climate Change on Agriculture',5,3); | SELECT name FROM authors WHERE id NOT IN (SELECT author_id FROM investigative_projects); |
What is the total number of construction labor hours worked, by job type, in each state, in the past month, ordered from highest to lowest? | CREATE TABLE LaborHours (State VARCHAR(2),Job VARCHAR(50),HoursWorked DATE); | SELECT State, Job, SUM(HoursWorked) as TotalHours FROM LaborHours WHERE HoursWorked >= DATEADD(MONTH, -1, GETDATE()) GROUP BY State, Job ORDER BY TotalHours DESC; |
How many total volunteers have there been in projects funded by the World Bank? | CREATE TABLE volunteers (id INT,project_id INT,name TEXT); INSERT INTO volunteers (id,project_id,name) VALUES (1,1,'Alice'),(2,1,'Bob'),(3,2,'Charlie'); CREATE TABLE projects (id INT,funder TEXT,total_funding DECIMAL); INSERT INTO projects (id,funder,total_funding) VALUES (1,'European Union',20000.00),(2,'World Bank',30000.00); | SELECT COUNT(*) FROM volunteers INNER JOIN projects ON volunteers.project_id = projects.id WHERE projects.funder = 'World Bank'; |
What is the population rank of Tokyo in Japan? | CREATE TABLE City (CityName VARCHAR(50),Country VARCHAR(50),Population INT); INSERT INTO City (CityName,Country,Population) VALUES ('Tokyo','Japan',9000000),('Yokohama','Japan',3700000),('Osaka','Japan',2700000),('Nagoya','Japan',2300000),('Sapporo','Japan',1900000); | SELECT ROW_NUMBER() OVER (PARTITION BY Country ORDER BY Population DESC) AS PopulationRank, CityName, Population FROM City WHERE Country = 'Japan'; |
What is the average temperature in degree Celsius for each month in 2020 across all weather stations? | CREATE TABLE WeatherStation (id INT,name TEXT,location TEXT,temperature REAL); INSERT INTO WeatherStation (id,name,location,temperature) VALUES (1,'Station1','Location1',20.5),(2,'Station2','Location2',22.3),(3,'Station3','Location3',19.8); | SELECT AVG(temperature) as avg_temperature, EXTRACT(MONTH FROM timestamp) as month FROM WeatherData WHERE EXTRACT(YEAR FROM timestamp) = 2020 GROUP BY month; |
Find the average rating and total number of reviews for artworks by artist 101, and the name and rating of the artwork with the highest rating among artist 101's works. | CREATE TABLE Artworks (artwork_id INT,artist_id INT,artwork_name TEXT,rating INT,num_reviews INT); INSERT INTO Artworks (artwork_id,artist_id,artwork_name,rating,num_reviews) VALUES (1,101,'Painting 1',8,30),(2,101,'Painting 2',9,50),(3,102,'Sculpture 1',7,25); CREATE TABLE ArtistDetails (artist_id INT,artist_name TEXT); INSERT INTO ArtistDetails (artist_id,artist_name) VALUES (101,'John Doe'),(102,'Jane Smith'); | SELECT AVG(a.rating) AS avg_rating, AVG(a.num_reviews) AS avg_reviews, ad.artist_name, (SELECT rating FROM Artworks WHERE artist_id = 101 ORDER BY rating DESC LIMIT 1) AS max_rating FROM Artworks a JOIN ArtistDetails ad ON a.artist_id = ad.artist_id WHERE a.artist_id = 101 |
List all employees who have not been assigned to a department. | CREATE TABLE Employees (id INT,name VARCHAR(255),department VARCHAR(255)); INSERT INTO Employees (id,name,department) VALUES (1,'John Doe','DeptA'),(2,'Jane Smith',NULL); | SELECT name FROM Employees WHERE department IS NULL |
How many articles were published in each category on weekdays (Monday to Friday) and weekends (Saturday and Sunday) from the 'news_articles' table? | CREATE TABLE news_articles (article_id INT,author VARCHAR(50),title VARCHAR(100),publication_date DATE,category VARCHAR(20)); INSERT INTO news_articles (article_id,author,title,publication_date,category) VALUES (1,'John Doe','Article 1','2022-01-01','Politics'),(2,'Jane Smith','Article 2','2022-01-02','Sports'); | SELECT category, CASE WHEN DATEPART(dw, publication_date) IN (1, 7) THEN 'Weekend' ELSE 'Weekday' END as day_type, COUNT(*) as article_count FROM news_articles GROUP BY category, CASE WHEN DATEPART(dw, publication_date) IN (1, 7) THEN 'Weekend' ELSE 'Weekday' END; |
What are the total marketing costs for each TV show genre in Q1 2020? | CREATE TABLE TVShows (show_id INT,title VARCHAR(255),release_date DATE,genre VARCHAR(255),marketing_cost DECIMAL(5,2)); INSERT INTO TVShows (show_id,title,release_date,genre,marketing_cost) VALUES (1,'Show1','2019-10-01','Sci-Fi',500000.00),(2,'Show2','2018-04-15','Comedy',350000.00),(3,'Show3','2020-02-20','Action',750000.00); | SELECT genre, SUM(marketing_cost) FROM TVShows WHERE release_date >= '2020-01-01' AND release_date < '2020-04-01' GROUP BY genre; |
Update the name of all electric boats in Vancouver to reflect the new naming convention. | CREATE TABLE public.boats (id SERIAL PRIMARY KEY,name TEXT,speed FLOAT,city TEXT); INSERT INTO public.boats (name,speed,city) VALUES ('Electric Boat 1',12.5,'Vancouver'),('Electric Boat 2',13.6,'Vancouver'); | UPDATE public.boats SET name = REPLACE(name, 'Electric Boat', 'Vancouver Electric Boat') WHERE city = 'Vancouver'; |
What is the total number of workers represented by labor unions in the service sector? | CREATE TABLE unions (id INT,name TEXT,industry TEXT,workers_represented INT); INSERT INTO unions (id,name,industry,workers_represented) VALUES (1,'Unite Here','Service',300000); | SELECT SUM(workers_represented) FROM unions WHERE industry = 'Service'; |
What is the maximum number of hours played in a week for players who have played "Fortnite" and are from Germany? | CREATE TABLE PlayerActivity (player_id INT,game VARCHAR(100),hours INT,week INT); INSERT INTO PlayerActivity (player_id,game,hours,week) VALUES (1,'Fortnite',15,1),(2,'Fortnite',20,2),(3,'Minecraft',10,1); | SELECT MAX(hours) FROM PlayerActivity pa WHERE pa.game = 'Fortnite' AND pa.week IN (1, 2) AND EXISTS (SELECT 1 FROM Players p WHERE p.player_id = pa.player_id AND p.country = 'Germany'); |
List of countries with the highest environmental impact score in the past year. | CREATE TABLE EnvironmentalImpact(id INT,country VARCHAR(50),year INT,score FLOAT); CREATE TABLE CountryPopulation(id INT,country VARCHAR(50),population INT); | SELECT country, score FROM (SELECT country, score, ROW_NUMBER() OVER (ORDER BY score DESC) as rank FROM EnvironmentalImpact WHERE year = YEAR(CURRENT_DATE) - 1) AS subquery WHERE rank <= 5; |
How many farmers in 'urban_area_1' produce organic crops? | CREATE TABLE urban_area_1 (farmer_id INTEGER,crops_organic BOOLEAN); INSERT INTO urban_area_1 (farmer_id,crops_organic) VALUES (1,true),(2,false),(3,true),(4,true),(5,false); | SELECT COUNT(*) FROM urban_area_1 WHERE crops_organic = true; |
Which artists have works in the Met and MoMA? | CREATE TABLE Artworks (ArtworkID INT,Name VARCHAR(100),Artist VARCHAR(100),Year INT); | SELECT Artworks.Artist FROM Artworks |
Update the risk category of policyholders with a high claim amount to 'High Risk'. | CREATE TABLE Policyholders (ID INT,Name VARCHAR(50),Age INT,Gender VARCHAR(10),City VARCHAR(50),State VARCHAR(20),ZipCode VARCHAR(10),RiskCategory VARCHAR(10)); CREATE TABLE Claims (ID INT,PolicyholderID INT,ClaimAmount DECIMAL(10,2),ClaimDate DATE); | UPDATE Policyholders SET RiskCategory = 'High Risk' WHERE ID IN (SELECT PolicyholderID FROM Claims WHERE ClaimAmount > (SELECT AVG(ClaimAmount) FROM Claims)); |
What is the maximum number of hospital beds in rural hospitals in Alabama? | CREATE TABLE alabama_rural_hospitals (hospital_id INT,hospital_name VARCHAR(255),rural BOOLEAN,num_beds INT); INSERT INTO alabama_rural_hospitals VALUES (1,'Hospital A',true,50),(2,'Hospital B',false,100); | SELECT MAX(num_beds) FROM alabama_rural_hospitals WHERE rural = true; |
What is the average drug approval time for oncology drugs in the US? | CREATE TABLE drug_approval (drug_name TEXT,approval_date DATE,therapy_area TEXT); INSERT INTO drug_approval (drug_name,approval_date,therapy_area) VALUES ('DrugE','2018-01-01','Oncology'),('DrugF','2019-01-01','Oncology'),('DrugG','2020-01-01','Cardiology'); | SELECT AVG(DATEDIFF('2022-01-01', approval_date)) AS avg_approval_time FROM drug_approval WHERE therapy_area = 'Oncology'; |
List all bioprocess engineering diagrams that do not have a process associated with them. | CREATE TABLE diagrams (id INT,name TEXT,process TEXT,engineer TEXT); INSERT INTO diagrams (id,name,process,engineer) VALUES (1,'Diagram X','Fermentation','John Doe'); INSERT INTO diagrams (id,name,process,engineer) VALUES (2,'Diagram Y',NULL,'Jane Smith'); | SELECT * FROM diagrams WHERE process IS NULL; |
How many unique customers have purchased plus size clothing in the last year, by gender? | CREATE TABLE Customers (customer_id INT,gender VARCHAR(10),registration_date DATE); CREATE TABLE Orders (order_id INT,customer_id INT,order_date DATE); CREATE TABLE Order_Items (item_id INT,order_id INT,product_size VARCHAR(10)); INSERT INTO Customers (customer_id,gender,registration_date) VALUES (1,'Female','2020-01-01'); | SELECT gender, COUNT(DISTINCT customer_id) as num_customers FROM Customers JOIN Orders ON Customers.customer_id = Orders.customer_id JOIN Order_Items ON Orders.order_id = Order_Items.order_id WHERE product_size = 'Plus' AND Orders.order_date BETWEEN DATE_SUB(CURRENT_DATE, INTERVAL 1 YEAR) AND CURRENT_DATE GROUP BY gender; |
What is the total number of crimes committed in each borough per month? | CREATE TABLE borough_crimes (borough VARCHAR(255),month VARCHAR(255),count INT); INSERT INTO borough_crimes (borough,month,count) VALUES ('Manhattan','Jan',30),('Manhattan','Feb',40),('Brooklyn','Jan',35),('Brooklyn','Feb',45); | SELECT borough, month, SUM(count) OVER (PARTITION BY borough, month) FROM borough_crimes; |
How many volunteers are needed for each program in the Midwest region? | CREATE TABLE programs (id INT,name VARCHAR(50),location VARCHAR(50)); CREATE TABLE volunteers (id INT,name VARCHAR(50),program_id INT); INSERT INTO programs (id,name,location) VALUES (1,'Education','Michigan'),(2,'Environment','Illinois'); INSERT INTO volunteers (id,name,program_id) VALUES (1,'Alice',1),(2,'Bob',1),(3,'Charlie',2); | SELECT p.name, COUNT(v.id) FROM programs p INNER JOIN volunteers v ON p.id = v.program_id WHERE p.location = 'Michigan' OR p.location = 'Illinois' GROUP BY p.name; |
Find the total profit from Shariah-compliant investments for clients with a high financial capability score? | CREATE TABLE clients (client_id INT,financial_capability_score INT); INSERT INTO clients (client_id,financial_capability_score) VALUES (1,8),(2,5),(3,10),(4,7),(5,3); CREATE TABLE investments (investment_id INT,client_id INT,is_shariah_compliant BOOLEAN,profit DECIMAL(10,2)); INSERT INTO investments (investment_id,client_id,is_shariah_compliant,profit) VALUES (1001,1,true,250),(1002,1,false,300),(1003,2,true,150),(1004,3,true,200),(1005,3,false,50),(1006,4,true,900),(1007,5,true,250); | SELECT SUM(investments.profit) FROM investments INNER JOIN clients ON investments.client_id = clients.client_id WHERE investments.is_shariah_compliant = true AND clients.financial_capability_score > 7; |
What is the total recycling rate in percentage for industrial areas in Beijing for the year 2021? | CREATE TABLE recycling_rates_china(location VARCHAR(50),year INT,recycling_rate DECIMAL(5,2)); INSERT INTO recycling_rates_china(location,year,recycling_rate) VALUES ('Beijing',2021,0.78),('Beijing',2021,0.79),('Beijing',2021,0.80),('Shanghai',2021,0.85),('Shanghai',2021,0.86),('Shanghai',2021,0.87); | SELECT AVG(recycling_rate) FROM recycling_rates_china WHERE location = 'Beijing' AND year = 2021; |
Calculate the maximum temperature difference between consecutive days for 'Field_8' in the 'temperature_data' table. | CREATE TABLE temperature_data (field VARCHAR(255),temperature FLOAT,timestamp TIMESTAMP); | SELECT field, MAX(temperature - LAG(temperature) OVER (PARTITION BY field ORDER BY timestamp)) as max_diff FROM temperature_data WHERE field = 'Field_8'; |
How many autonomous buses are there in New York City? | CREATE TABLE Autonomous_Vehicles (id INT,make VARCHAR(50),model VARCHAR(50),year INT,type VARCHAR(50),city VARCHAR(50)); | SELECT COUNT(*) FROM Autonomous_Vehicles WHERE type = 'bus' AND city = 'New York'; |
Delete all pollution control initiatives before 2022. | CREATE TABLE pollution_initiatives (initiative_id INT,site_id INT,initiative_date DATE,initiative_description TEXT); INSERT INTO pollution_initiatives (initiative_id,site_id,initiative_date,initiative_description) VALUES (1,1,'2022-08-01','Installed new filters'),(2,3,'2022-07-15','Regular cleaning schedule established'); | DELETE FROM pollution_initiatives WHERE initiative_date < '2022-01-01'; |
What is the total cost of space missions by ESA? | CREATE TABLE SpaceMissions (name TEXT,agency TEXT,cost INTEGER);INSERT INTO SpaceMissions (name,agency,cost) VALUES ('Herschel Space Observatory','ESA',1400000000); INSERT INTO SpaceMissions (name,agency,cost) VALUES ('Gaia Mission','ESA',900000000); | SELECT SUM(cost) FROM SpaceMissions WHERE agency = 'ESA'; |
What is the combined capacity of all rural healthcare facilities in Florida? | CREATE TABLE facilities (id INT,name TEXT,location TEXT,capacity INT); INSERT INTO facilities (id,name,location,capacity) VALUES (1,'Rural Family Health Center','Florida',50),(2,'Rural General Hospital','Florida',200),(3,'Rural Community Clinic','Georgia',25); | SELECT SUM(capacity) FROM facilities WHERE location = 'Florida'; |
What is the total tonnes extracted by each mining operation, ordered by the most to least? | CREATE TABLE Operations (OperationID INT,MineName VARCHAR(50),OperationType VARCHAR(50),StartDate DATE,EndDate DATE,TotalTonnes DECIMAL(10,2)); INSERT INTO Operations (OperationID,MineName,OperationType,StartDate,EndDate,TotalTonnes) VALUES (1,'ABC Mine','Coal Mining','2020-01-01','2020-12-31',150000.00); INSERT INTO Operations (OperationID,MineName,OperationType,StartDate,EndDate,TotalTonnes) VALUES (2,'DEF Mine','Gold Mining','2020-01-01','2020-12-31',5000.00); | SELECT OperationID, MineName, OperationType, TotalTonnes, ROW_NUMBER() OVER (ORDER BY TotalTonnes DESC) as 'Rank' FROM Operations; |
Which climate communication projects are not in 'North America'? | CREATE TABLE climate_communication (project_id INTEGER,project_name TEXT,location TEXT); INSERT INTO climate_communication (project_id,project_name,location) VALUES (1,'Project I','North America'),(2,'Project J','Europe'); | SELECT project_name FROM climate_communication WHERE location != 'North America'; |
List all movies and their genres that have been released on streaming services, ordered by the release date in ascending order. | CREATE TABLE movies (movie_id INT,title TEXT,genre TEXT,release_date DATE,platform TEXT); INSERT INTO movies (movie_id,title,genre,release_date,platform) VALUES (1,'Movie 10','Comedy','2018-01-01','Disney+'),(2,'Movie 11','Drama','2019-06-15','Apple TV'),(3,'Movie 12','Action','2020-12-25','HBO Max'); | SELECT movies.title, movies.genre, movies.release_date FROM movies ORDER BY movies.release_date ASC; |
What is the maximum response time for emergency calls in the 'metro' schema? | CREATE SCHEMA if not exists metro; CREATE TABLE if not exists metro.emergency_responses (id INT,response_time TIME); INSERT INTO metro.emergency_responses (id,response_time) VALUES (1,'01:34:00'),(2,'02:15:00'),(3,'01:52:00'); | SELECT MAX(TIME_TO_SEC(response_time)) FROM metro.emergency_responses; |
How many carbon offset programs exist in each state? | CREATE TABLE carbon_offsets (state VARCHAR(50),program_id INT); INSERT INTO carbon_offsets (state,program_id) VALUES ('CA',123),('NY',456),('OR',789); | SELECT state, COUNT(program_id) as num_programs FROM carbon_offsets GROUP BY state; |
What are the names and types of military satellites launched since 2010? | CREATE TABLE Satellites (ID INT,Name VARCHAR(50),LaunchYear INT,SatelliteType VARCHAR(50)); | SELECT Name, SatelliteType FROM Satellites WHERE LaunchYear >= 2010; |
What is the total budget allocated for disability accessibility modifications for each building in the past year, ordered by the building with the highest budget? | CREATE TABLE Disability_Accessibility_Modifications (Building VARCHAR(50),Budget NUMERIC(10,2),Modification_Date DATE); INSERT INTO Disability_Accessibility_Modifications VALUES ('Building A',100000,'2021-01-01'),('Building B',120000,'2021-02-01'),('Building C',90000,'2021-03-01'),('Building A',110000,'2021-04-01'),('Building B',130000,'2021-05-01'); | SELECT Building, SUM(Budget) as Total_Budget FROM Disability_Accessibility_Modifications WHERE Modification_Date >= DATEADD(year, -1, GETDATE()) GROUP BY Building ORDER BY Total_Budget DESC; |
What is the distribution of network infrastructure investments across regions in the year 2021? | CREATE TABLE network_investments (investment_id INT,region VARCHAR(50),amount INT,investment_date DATE); INSERT INTO network_investments (investment_id,region,amount,investment_date) VALUES (1,'North',1000000,'2021-01-01'); | SELECT region, EXTRACT(MONTH FROM investment_date) AS month, SUM(amount) FROM network_investments WHERE EXTRACT(YEAR FROM investment_date) = 2021 GROUP BY region, EXTRACT(MONTH FROM investment_date); |
What was the minimum water temperature in the Atlantic Ocean Monitoring Station in June 2020? | CREATE TABLE atlantic_ocean_monitoring_station (date DATE,temperature FLOAT); | SELECT MIN(temperature) AS min_temperature FROM atlantic_ocean_monitoring_station WHERE date BETWEEN '2020-06-01' AND '2020-06-30'; |
What is the minimum health equity metric score for mental health facilities in rural areas? | CREATE TABLE mental_health_facilities (facility_id INT,location TEXT,score INT); INSERT INTO mental_health_facilities (facility_id,location,score) VALUES (1,'Urban',80),(2,'Rural',75),(3,'Suburban',85); | SELECT MIN(score) FROM mental_health_facilities WHERE location = 'Rural'; |
What is the average time between equipment maintenance for each type of military equipment? | CREATE TABLE Equipment_Maintenance (ID INT,Equipment_Type VARCHAR(255),Maintenance_Date DATE); INSERT INTO Equipment_Maintenance (ID,Equipment_Type,Maintenance_Date) VALUES (1,'Aircraft','2020-01-01'),(2,'Vehicles','2020-02-15'),(3,'Naval','2020-03-01'),(4,'Aircraft','2020-04-10'),(5,'Weaponry','2020-05-01'); | SELECT Equipment_Type, AVG(DATEDIFF(day, LAG(Maintenance_Date) OVER (PARTITION BY Equipment_Type ORDER BY Maintenance_Date), Maintenance_Date)) as Avg_Maintenance_Interval FROM Equipment_Maintenance GROUP BY Equipment_Type; |
What is the minimum donation amount given by a donor from Europe? | CREATE TABLE donors (id INT,name VARCHAR(100),country VARCHAR(50),donation DECIMAL(10,2)); INSERT INTO donors (id,name,country,donation) VALUES (1,'John Doe','USA',50.00),(2,'Jane Smith','USA',100.00),(3,'Alice Johnson','Canada',75.00),(4,'Bob Brown','Africa',25.00),(5,'Charlie Green','Africa',100.00),(6,'Oliver White','England',30.00),(7,'Sophia Black','France',20.00); | SELECT MIN(donation) FROM donors WHERE country = 'England' OR country = 'France'; |
How many users joined Twitter from India in the last year? | CREATE TABLE user_data (user_id INT,join_date DATE,country VARCHAR(50)); INSERT INTO user_data (user_id,join_date,country) VALUES (1,'2021-01-01','India'),(2,'2022-01-02','USA'),(3,'2021-06-03','India'); | SELECT COUNT(*) FROM user_data WHERE country = 'India' AND join_date >= DATEADD(year, -1, GETDATE()); |
Identify the number of dispensaries that have been licensed in Washington State since 2015, but haven't reported any sales by the end of 2021. | CREATE TABLE dispensaries (id INT,name TEXT,state TEXT,license_date DATE,first_sale_date DATE); INSERT INTO dispensaries (id,name,state,license_date,first_sale_date) VALUES (1,'Green Shelter','Washington','2016-01-01','2016-02-01'),(2,'Purple Leaf','Washington','2015-12-31','2015-12-31'),(3,'Bud Haven','Washington','2017-06-15','2017-07-01'); | SELECT COUNT(*) FROM (SELECT * FROM dispensaries WHERE state = 'Washington' AND license_date <= '2015-12-31' AND first_sale_date > '2021-12-31' EXCEPT SELECT * FROM (SELECT DISTINCT * FROM dispensaries)) tmp; |
What was the average age of audience members at theater performances in the UK and Spain? | CREATE TABLE TheaterPerformances (id INT,performance_name VARCHAR(50),audience_member_name VARCHAR(50),country VARCHAR(50),performance_date DATE,age INT); INSERT INTO TheaterPerformances (id,performance_name,audience_member_name,country,performance_date,age) VALUES (1,'Shakespeare Play','John','UK','2022-08-01',35),(2,'Comedy Show','Jane','Spain','2022-08-05',28),(3,'Drama Performance','Mark','UK','2022-08-03',42),(4,'Musical','Natalie','Spain','2022-08-07',31); | SELECT AVG(age) FROM TheaterPerformances WHERE country IN ('UK', 'Spain'); |
What is the average rating of art programs in the Eastern region with a budget over $10,000? | CREATE TABLE programs (id INT,region VARCHAR(50),budget DECIMAL(10,2),rating INT); INSERT INTO programs (id,region,budget,rating) VALUES (1,'Midwest',8000,8),(2,'Northeast',12000,9),(3,'West Coast',7000,7),(4,'Southeast',15000,10),(5,'Eastern',11000,6); | SELECT AVG(rating) FROM programs WHERE region = 'Eastern' AND budget > 10000; |
Which OTA platforms generated the most revenue in Europe in the last year? | CREATE TABLE ota_revenue (revenue_id INT,ota_platform VARCHAR(50),region VARCHAR(20),revenue_date DATE,revenue FLOAT); | SELECT ota_platform, region, SUM(revenue) as total_revenue FROM ota_revenue WHERE region = 'Europe' AND revenue_date >= DATE(NOW()) - INTERVAL 1 YEAR GROUP BY ota_platform ORDER BY total_revenue DESC; |
Delete the 'Nature Nurturers' education program record from the 'education_programs' table | CREATE TABLE education_programs (id INT,name VARCHAR(50),description TEXT,target_audience VARCHAR(50),duration INT); | DELETE FROM education_programs WHERE name = 'Nature Nurturers'; |
List all the unique types of crops grown in 'Africa' in 2019 and the number of times they appear? | CREATE TABLE crops (id INT,crop_name VARCHAR(20),country VARCHAR(20),production INT,year INT); INSERT INTO crops (id,crop_name,country,production,year) VALUES (1,'corn','Africa',20000,2019),(2,'cassava','Africa',30000,2019),(3,'sorghum','Africa',15000,2019); | SELECT DISTINCT crop_name, COUNT(crop_name) as crop_count FROM crops WHERE country = 'Africa' AND year = 2019 GROUP BY crop_name; |
List all decentralized applications in the 'Ethereum' network that were launched after 2022-06-01. | CREATE TABLE ethereum_dapps (id INT,name VARCHAR(255),network VARCHAR(255),launch_date DATE); INSERT INTO ethereum_dapps (id,name,network,launch_date) VALUES (1,'Dapp1','ethereum','2022-07-01'),(2,'Dapp2','ethereum','2022-05-01'); | SELECT * FROM ethereum_dapps WHERE network = 'ethereum' AND launch_date > '2022-06-01'; |
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