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How many renewable energy projects were completed in Texas between 2015 and 2018?
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CREATE TABLE projects (id INT,state VARCHAR(50),project_type VARCHAR(50),completion_year INT); INSERT INTO projects (id,state,project_type,completion_year) VALUES (1,'Texas','Solar',2016),(2,'Texas','Wind',2017),(3,'California','Geothermal',2015),(4,'Texas','Wind',2018),(5,'Texas','Solar',2015);
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SELECT COUNT(*) FROM projects WHERE state = 'Texas' AND project_type IN ('Solar', 'Wind') AND completion_year BETWEEN 2015 AND 2018;
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Find the bank with the lowest average loan amount for socially responsible lending, along with their average loan amount?
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CREATE TABLE SOCIALLY_RESPONSIBLE_LOANS (BANK_NAME VARCHAR(50),AMOUNT NUMBER(12,2)); INSERT INTO SOCIALLY_RESPONSIBLE_LOANS VALUES ('Bank C',20000); INSERT INTO SOCIALLY_RESPONSIBLE_LOANS VALUES ('Bank D',25000); INSERT INTO SOCIALLY_RESPONSIBLE_LOANS VALUES ('Bank C',30000); INSERT INTO SOCIALLY_RESPONSIBLE_LOANS VALUES ('Bank E',15000);
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SELECT BANK_NAME, AVG(AMOUNT) AVERAGE_LOAN FROM SOCIALLY_RESPONSIBLE_LOANS GROUP BY BANK_NAME HAVING COUNT(*) = (SELECT MIN(COUNT(*)) FROM SOCIALLY_RESPONSIBLE_LOANS GROUP BY BANK_NAME);
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Delete the environmental impact stats for the 'Ruby Rise' mine in South Africa from the "environmental_impact" table
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CREATE TABLE environmental_impact (mine_id INT,year INT,co2_emissions INT,water_consumption INT,waste_generation INT);
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DELETE FROM environmental_impact WHERE mine_id = 5 AND year = 2020;
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Insert a new record in the "accidents" table for vessel 107 with date 2018-12-31, description "Collision", and severity 5
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CREATE TABLE accidents (id INT,vessel_id INT,date DATE,description TEXT,severity INT);
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INSERT INTO accidents (id, vessel_id, date, description, severity) VALUES (NULL, 107, '2018-12-31', 'Collision', 5);
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Find the number of volunteers who joined in Q2 2021 and the number of hours they contributed in their first month.
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CREATE TABLE Volunteers (VolunteerID int,VolunteerName varchar(50),JoinDate date,FirstMonthEndDate date,TotalHours int); INSERT INTO Volunteers VALUES (1,'Jane Doe','2021-04-15','2021-05-31',20);
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SELECT COUNT(DISTINCT VolunteerID), SUM(TotalHours) FROM Volunteers WHERE JoinDate BETWEEN '2021-04-01' AND '2021-06-30' AND FirstMonthEndDate = DATE_ADD(JoinDate, INTERVAL 1 MONTH)
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What is the percentage of funding for workshops and classes from foundation sources?
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CREATE TABLE funding_sources (id INT,name VARCHAR(255),type VARCHAR(255)); INSERT INTO funding_sources (id,name,type) VALUES (1,'Foundation','foundation'),(2,'Private','private'),(3,'Corporate','corporate'); CREATE TABLE workshops (id INT,name VARCHAR(255),funding_source_id INT); INSERT INTO workshops (id,name,funding_source_id) VALUES (1,'WorkshopA',1),(2,'WorkshopB',2),(3,'WorkshopC',3); CREATE TABLE classes (id INT,name VARCHAR(255),funding_source_id INT); INSERT INTO classes (id,name,funding_source_id) VALUES (1,'ClassA',1),(2,'ClassB',2),(3,'ClassC',3);
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SELECT (COUNT(CASE WHEN f.name = 'Foundation' AND t.type IN ('workshops', 'classes') THEN 1 END) * 100.0 / COUNT(*)) AS foundation_funding_percentage FROM funding_sources f JOIN workshops w ON f.id = w.funding_source_id JOIN classes c ON f.id = c.funding_source_id JOIN (VALUES ('workshops'), ('classes')) AS t(type) ON TRUE
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What is the average age of male patients in the 'Asian' ethnicity group?
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CREATE TABLE patients (id INT,name VARCHAR(50),age INT,gender VARCHAR(10),ethnicity VARCHAR(50)); INSERT INTO patients (id,name,age,gender,ethnicity) VALUES (1,'John Doe',45,'Male','Asian'),(2,'Jane Smith',35,'Female','African American'),(3,'Alice Johnson',50,'Female','Hispanic'),(4,'Bob Lee',60,'Male','Asian');
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SELECT AVG(age) FROM patients WHERE gender = 'Male' AND ethnicity = 'Asian';
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What is the total number of security incidents reported in the Sales department in the last month?
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CREATE TABLE security_incidents (id INT,date DATE,department VARCHAR(255)); INSERT INTO security_incidents (id,date,department) VALUES (1,'2022-02-01','IT'),(2,'2022-02-05','HR'),(3,'2022-01-07','IT'),(4,'2022-02-10','Sales');
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SELECT COUNT(*) FROM security_incidents WHERE department = 'Sales' AND date >= DATEADD(month, -1, GETDATE());
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Who is responsible for monitoring ocean floor mapping in the Arctic region?
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CREATE TABLE ocean_floor_map (map_id INT,map_name VARCHAR(50),region VARCHAR(50),agency VARCHAR(50));
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SELECT agency FROM ocean_floor_map WHERE region = 'Arctic';
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How many products are certified cruelty-free in each country?
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CREATE TABLE products (product_id INT,country VARCHAR(20),certified_cruelty_free BOOLEAN); INSERT INTO products (product_id,country,certified_cruelty_free) VALUES (1,'USA',true),(2,'Canada',false),(3,'USA',true);
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SELECT country, COUNT(*) FROM products WHERE certified_cruelty_free = true GROUP BY country;
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What is the average salary of workers in the manufacturing industry by job role in Canada, for roles with more than 500 employees?
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CREATE TABLE workers (id INT,name VARCHAR(50),country VARCHAR(50),job_role VARCHAR(50),salary DECIMAL(10,2),employees INT);
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SELECT job_role, AVG(salary) as avg_salary FROM workers WHERE country = 'Canada' GROUP BY job_role HAVING employees > 500;
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What is the average cost of naval military technology developed in the 'military_technology' table for the year 2020?
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CREATE TABLE military_technology (id INT,technology_name TEXT,type TEXT,development_cost FLOAT,development_year INT); INSERT INTO military_technology (id,technology_name,type,development_cost,development_year) VALUES (1,'Stealth Bomber','Aircraft',50000000,2019),(2,'Submarine','Naval',300000000,2020),(3,'Cybersecurity Software','Software',5000000,2019);
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SELECT AVG(development_cost) FROM military_technology WHERE type = 'Naval' AND development_year = 2020;
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What is the total revenue for each dessert?
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CREATE TABLE desserts (dessert VARCHAR(255),revenue DECIMAL(10,2)); INSERT INTO desserts VALUES ('Cake',3000.00),('Ice Cream',2500.00),('Cake',1000.00);
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SELECT dessert, SUM(revenue) FROM desserts GROUP BY dessert;
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Which electric vehicle models are most popular in Berlin?
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CREATE TABLE electric_vehicles (vehicle_id INT,vehicle_model VARCHAR(50),total_sold INT,city VARCHAR(50)); INSERT INTO electric_vehicles (vehicle_id,vehicle_model,total_sold,city) VALUES (1,'Tesla Model 3',1200,'Berlin'),(2,'Nissan Leaf',800,'Berlin');
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SELECT vehicle_model, SUM(total_sold) FROM electric_vehicles WHERE city = 'Berlin' GROUP BY vehicle_model ORDER BY SUM(total_sold) DESC;
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What is the total number of military personnel in the 'army' branch, per country?
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CREATE TABLE military_personnel (country VARCHAR(50),branch VARCHAR(50),number INT); INSERT INTO military_personnel (country,branch,number) VALUES ('USA','Army',470000),('Russia','Army',350000),('China','Army',1700000);
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SELECT country, SUM(number) as total_army_personnel FROM military_personnel WHERE branch = 'Army' GROUP BY country;
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Delete records in the player_achievements table where the achievement_id is greater than 3
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CREATE TABLE player_achievements (achievement_id INT,achievement_name VARCHAR(30));
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DELETE FROM player_achievements WHERE achievement_id > 3;
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What is the average monthly data usage for postpaid mobile customers in the Midwest region, grouped by their billing tier?
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CREATE TABLE postpaid_mobile (customer_id INT,data_usage FLOAT,billing_tier VARCHAR(20),region VARCHAR(20));
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SELECT billing_tier, AVG(data_usage) FROM postpaid_mobile WHERE region = 'Midwest' AND type = 'postpaid' GROUP BY billing_tier;
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What is the maximum daily wastewater discharge for industrial use in each state of the US, for the year 2020, categorized by industry?
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CREATE TABLE us_industrial_wastewater (state VARCHAR(255),year INT,industry VARCHAR(255),discharge FLOAT); INSERT INTO us_industrial_wastewater (state,year,industry,discharge) VALUES ('California',2020,'Manufacturing',1200000),('California',2020,'Agriculture',800000),('California',2020,'Mining',500000),('Texas',2020,'Manufacturing',1500000),('Texas',2020,'Agriculture',900000),('Texas',2020,'Mining',700000);
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SELECT state, industry, MAX(discharge) as max_daily_discharge FROM us_industrial_wastewater WHERE year = 2020 GROUP BY state, industry;
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Identify the month with the most consumer preferences collected in 2022.
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CREATE TABLE ConsumerPreference (product_id INT,consumer_id INT,preference_rating INT,preference_date DATE); INSERT INTO ConsumerPreference (product_id,consumer_id,preference_rating,preference_date) VALUES (1,101,4,'2022-05-01'); INSERT INTO ConsumerPreference (product_id,consumer_id,preference_rating,preference_date) VALUES (2,101,5,'2022-05-02'); INSERT INTO ConsumerPreference (product_id,consumer_id,preference_rating,preference_date) VALUES (3,103,3,'2022-03-02');
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SELECT EXTRACT(MONTH FROM preference_date) as month, COUNT(*) as num_preferences FROM ConsumerPreference WHERE preference_date >= '2022-01-01' AND preference_date <= '2022-12-31' GROUP BY month ORDER BY num_preferences DESC LIMIT 1;
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Insert data into 'events' table from a CSV file
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CREATE TABLE events (name VARCHAR(255),date DATE,attendance INT);
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INSERT INTO events (name, date, attendance) SELECT * FROM csv_file('events.csv') AS t(name VARCHAR(255), date DATE, attendance INT);
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How many games did the 'Boston Celtics' play in the 'NBA' in the year 2020?
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CREATE TABLE teams (team_id INT,team_name TEXT,league TEXT); INSERT INTO teams (team_id,team_name,league) VALUES (1,'Boston Celtics','NBA'); CREATE TABLE games (game_id INT,team_id INT,season_year INT,wins INT,losses INT); INSERT INTO games (game_id,team_id,season_year,wins,losses) VALUES (1,1,2020,43,29),(2,1,2019,48,34);
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SELECT COUNT(game_id) FROM games WHERE team_id = (SELECT team_id FROM teams WHERE team_name = 'Boston Celtics') AND season_year = 2020;
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What is the total number of schools in each country?
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CREATE TABLE Countries (CountryID INT,CountryName VARCHAR(100)); INSERT INTO Countries (CountryID,CountryName) VALUES (1,'Afghanistan'),(2,'Albania'); CREATE TABLE Schools (SchoolID INT,SchoolName VARCHAR(100),CountryID INT); INSERT INTO Schools (SchoolID,SchoolName,CountryID) VALUES (1,'School1',1),(2,'School2',1),(3,'School3',2);
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SELECT CountryName, COUNT(*) as TotalSchools FROM Schools JOIN Countries ON Schools.CountryID = Countries.CountryID GROUP BY CountryName;
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What is the average calorie intake per meal for each country in the 'nutrition' table, ordered by average calorie intake in descending order, and limited to the top 2 countries?
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CREATE TABLE nutrition (country VARCHAR(255),calories INT,meal_time TIME); INSERT INTO nutrition (country,calories,meal_time) VALUES ('USA',800,'Breakfast'),('USA',1200,'Lunch'),('USA',500,'Dinner'),('India',500,'Breakfast'),('India',700,'Lunch'),('India',600,'Dinner'),('Canada',600,'Breakfast'),('Canada',800,'Lunch'),('Canada',400,'Dinner');
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SELECT country, AVG(calories) as avg_calories FROM nutrition GROUP BY country ORDER BY avg_calories DESC LIMIT 2;
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Determine the total financial capability training hours for employees in microfinance organizations in Asia
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CREATE TABLE AsiaMicrofinance (id INT,employee_id INT,training_hours INT); INSERT INTO AsiaMicrofinance (id,employee_id,training_hours) VALUES (1,1,25),(2,2,35);
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SELECT SUM(training_hours) FROM AsiaMicrofinance;
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List all satellites with their launch dates and countries of origin.
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CREATE TABLE Satellites (SatelliteID INT,Name VARCHAR(50),LaunchDate DATETIME,CountryOfOrigin VARCHAR(50)); INSERT INTO Satellites (SatelliteID,Name,LaunchDate,CountryOfOrigin) VALUES (1,'Sat1','2020-01-01','USA'),(2,'Sat2','2019-05-15','Germany');
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SELECT Name, LaunchDate, CountryOfOrigin FROM Satellites;
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How many wildlife species are present in each forest type?
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CREATE TABLE ForestTypes (id INT,name VARCHAR(255)); INSERT INTO ForestTypes (id,name) VALUES (1,'Coniferous'),(2,'Deciduous'),(3,'Mixed'); CREATE TABLE Wildlife (id INT,forest_type_id INT,species VARCHAR(255)); INSERT INTO Wildlife (id,forest_type_id,species) VALUES (1,1,'Squirrel'),(2,1,'Deer'),(3,2,'Raccoon'),(4,2,'Bear'),(5,3,'Fox'),(6,3,'Owl');
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SELECT f.forest_type_id, f.name AS forest_type_name, COUNT(w.id) AS species_count FROM ForestTypes f LEFT JOIN Wildlife w ON f.id = w.forest_type_id GROUP BY f.id;
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Identify the top 3 cruelty-free certified cosmetic products with the highest sales volume that contain 'rose' as an ingredient in the Canadian market.
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CREATE TABLE ingredients (ingredient_id INT,product_id INT,ingredient_name VARCHAR(50)); INSERT INTO ingredients (ingredient_id,product_id,ingredient_name) VALUES (1,1,'aloe vera'),(2,2,'lavender'),(3,4,'rose'),(4,5,'rose'); CREATE TABLE products (product_id INT,product_name VARCHAR(100),sales INT,certification VARCHAR(20)); INSERT INTO products (product_id,product_name,sales,certification) VALUES (1,'Lipstick A',6000,'cruelty-free'),(2,'Mascara B',7000,'not_certified'),(4,'Lotion D',9000,'cruelty-free'),(5,'Serum E',10000,'cruelty-free'); CREATE TABLE countries (country_code CHAR(2),country_name VARCHAR(50)); INSERT INTO countries (country_code,country_name) VALUES ('CA','Canada');
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SELECT products.product_name, products.sales FROM ingredients JOIN products ON ingredients.product_id = products.product_id JOIN countries ON products.country_code = countries.country_code WHERE ingredients.ingredient_name = 'rose' AND products.certification = 'cruelty-free' AND countries.country_name = 'Canada' ORDER BY products.sales DESC LIMIT 3;
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What is the total cost of each space mission and the average cost of all space missions?
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CREATE TABLE SpaceMissionCosts (id INT,mission VARCHAR(255),cost INT); INSERT INTO SpaceMissionCosts (id,mission,cost) VALUES (1,'Apollo 11',25500000); INSERT INTO SpaceMissionCosts (id,mission,cost) VALUES (2,'Apollo 13',35500000);
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SELECT mission, cost FROM SpaceMissionCosts; SELECT AVG(cost) as avg_cost FROM SpaceMissionCosts;
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What is the total amount donated by individual donors who have donated more than once in the last 12 months, and their names?
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CREATE TABLE donors(id INT,name TEXT,total_donation FLOAT);CREATE TABLE donations(id INT,donor_id INT,amount FLOAT,donation_date DATE);
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SELECT d.name, SUM(donations.amount) as total_donation FROM donations JOIN donors ON donations.donor_id = donors.id WHERE donations.donation_date BETWEEN DATE_SUB(CURDATE(), INTERVAL 12 MONTH) AND CURDATE() GROUP BY donors.id HAVING COUNT(donations.id) > 1;
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Insert a new record for 'Sophia Kim' with a salary of $90,000 in the 'gas' industry in British Columbia, Canada.
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CREATE TABLE workers (id INT,name VARCHAR(50),industry VARCHAR(50),salary FLOAT,country VARCHAR(50)); INSERT INTO workers (id,name,industry,salary,country) VALUES (1,'John Doe','oil',60000,'Canada'); INSERT INTO workers (id,name,industry,salary,country) VALUES (2,'Jane Smith','gas',65000,'Canada'); INSERT INTO workers (id,name,industry,salary,country) VALUES (3,'Mike Johnson','gas',70000,'Canada'); CREATE TABLE provinces (id INT,name VARCHAR(50),country VARCHAR(50)); INSERT INTO provinces (id,name,country) VALUES (1,'Alberta','Canada'); INSERT INTO provinces (id,name,country) VALUES (2,'British Columbia','Canada');
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INSERT INTO workers (name, industry, salary, country) VALUES ('Sophia Kim', 'gas', 90000, 'Canada');
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What is the total number of workouts for each user in the 'workout_data' table?
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CREATE TABLE workout_data (user_id INT,workout_type VARCHAR(20),duration INT); INSERT INTO workout_data (user_id,workout_type,duration) VALUES (1,'Running',30),(1,'Cycling',60),(2,'Yoga',45),(3,'Pilates',50);
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SELECT user_id, COUNT(*) as total_workouts FROM workout_data GROUP BY user_id;
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What is the market share of drug 'ABC-456' in Canada in Q4 2021?
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CREATE TABLE market_share (drug_name TEXT,region TEXT,market_share FLOAT,quarter INT,year INT); INSERT INTO market_share (drug_name,region,market_share,quarter,year) VALUES ('XYZ-123','USA',0.50,4,2021),('ABC-456','Canada',0.60,4,2021),('DEF-789','USA',0.40,4,2021);
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SELECT market_share FROM market_share WHERE drug_name = 'ABC-456' AND region = 'Canada' AND quarter = 4 AND year = 2021;
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Find the average water temperature for fish species in the Arctic Ocean with a maximum size over 100 cm.
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CREATE TABLE oceans (id INT,name VARCHAR(50)); CREATE TABLE species (id INT,ocean_id INT,name VARCHAR(50),max_size FLOAT,avg_temp FLOAT); INSERT INTO oceans VALUES (1,'Arctic Ocean'); INSERT INTO species VALUES (1,1,'Greenland Shark',180,-0.5),(2,1,'Beluga Whale',150,-1.5),(3,1,'Narwhal',120,-1.8);
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SELECT AVG(s.avg_temp) as avg_temp FROM species s INNER JOIN oceans o ON s.ocean_id = o.id WHERE o.name = 'Arctic Ocean' AND s.max_size > 100;
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Update the device model for user 'Oliver Kim' to 'Polar Vantage M'
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CREATE TABLE wearable_device (user_id INT,name VARCHAR(50),device_model VARCHAR(50)); INSERT INTO wearable_device (user_id,name,device_model) VALUES (5,'Oliver Kim','Fitbit Charge 4');
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WITH updated_device AS (UPDATE wearable_device SET device_model = 'Polar Vantage M' WHERE name = 'Oliver Kim' RETURNING *) SELECT * FROM updated_device;
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Find the total cost of road projects in California
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CREATE TABLE Road_Projects (project_id int,project_name varchar(255),state varchar(255),cost decimal(10,2));
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SELECT SUM(cost) FROM Road_Projects WHERE state = 'California';
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Insert a new record into the 'conservation_efforts' table
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CREATE TABLE conservation_efforts (id INT PRIMARY KEY,location VARCHAR(50),start_date DATE,end_date DATE,effort_description VARCHAR(255));
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INSERT INTO conservation_efforts (id, location, start_date, end_date, effort_description) VALUES (1, 'Coral Reef Restoration', '2022-01-01', '2025-12-31', 'Restoring and preserving coral reefs in the Caribbean.');
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List the total display duration for each artist from Mexico who have exhibited at 'Artistic Wonders' gallery, ordered by total display duration from highest to lowest.
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CREATE TABLE Artists (ArtistID INT,ArtistName VARCHAR(50),Nationality VARCHAR(50),ActiveYears INT,Gender VARCHAR(10));CREATE TABLE Paintings (PaintingID INT,PaintingName VARCHAR(50),ArtistID INT,DisplayStart DATE,DisplayEnd DATE);CREATE TABLE Gallery (GalleryID INT,GalleryName VARCHAR(50),City VARCHAR(50));INSERT INTO Artists VALUES (1,'Claude Monet','French',67,'Male'); INSERT INTO Paintings VALUES (1,'Water Lilies',1,'2020-01-01','2021-12-31'); INSERT INTO Gallery VALUES (1,'Artistic Wonders','Paris');
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SELECT Artists.ArtistName, SUM(DATEDIFF(DisplayEnd, DisplayStart)) AS TotalDisplayDays FROM Paintings JOIN Artists ON Paintings.ArtistID = Artists.ArtistID JOIN Gallery ON Paintings.GalleryID = Gallery.GalleryID WHERE GalleryName = 'Artistic Wonders' AND Nationality = 'Mexico' GROUP BY Artists.ArtistName ORDER BY TotalDisplayDays DESC;
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Identify traditional art forms that were listed in the database after the year 2000, and their respective artists.
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CREATE TABLE traditional_arts (art_id INT,art_name TEXT,art_type TEXT,artist TEXT,listed_year INT); INSERT INTO traditional_arts (art_id,art_name,art_type,artist,listed_year) VALUES (1,'Thangka Painting','Painting','Sonam',2005),(2,'Talavera Pottery','Pottery','Rafael',2002);
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SELECT art_name, artist FROM traditional_arts WHERE listed_year > 2000;
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What is the minimum number of likes on posts in the "Science" category from creators who identify as LGBTQ+?
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CREATE TABLE Posts (id INT,title VARCHAR(255),content_creator_name VARCHAR(100),content_creator_identity VARCHAR(50),category VARCHAR(50),likes INT); INSERT INTO Posts (id,title,content_creator_name,content_creator_identity,category,likes) VALUES (1,'Post1','Creator1','LGBTQ+','Science',10),(2,'Post2','Creator2','Straight','Science',15),(3,'Post3','Creator3','LGBTQ+','History',20);
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SELECT MIN(likes) FROM Posts WHERE content_creator_identity = 'LGBTQ+' AND category = 'Science';
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List all athletes who have participated in a specific sport and have an age above the average age.
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CREATE TABLE athletes (id INT,name VARCHAR(50),age INT,sport VARCHAR(50),country VARCHAR(50)); INSERT INTO athletes (id,name,age,sport,country) VALUES (1,'John Doe',30,'Basketball','USA'),(2,'Jane Smith',25,'Basketball','Canada'),(3,'Pedro Martinez',35,'Soccer','Mexico'),(4,'Sophia Rodriguez',28,'Soccer','Brazil'),(5,'Michael Johnson',32,'Athletics','USA');
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SELECT * FROM athletes WHERE sport = 'Basketball' AND age > (SELECT AVG(age) FROM athletes WHERE sport = 'Basketball');
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How many exhibitions are there in the "Modern Art" category?
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CREATE TABLE Exhibitions (ExhibitionID INT,ExhibitionName VARCHAR(255),Category VARCHAR(255)); INSERT INTO Exhibitions (ExhibitionID,ExhibitionName,Category) VALUES (1,'Contemporary Art Exhibition','Modern Art'),(2,'Modern Art Exhibition','Modern Art');
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SELECT COUNT(DISTINCT ExhibitionName) FROM Exhibitions WHERE Category = 'Modern Art';
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What is the average oil production per well in the Permian Basin for 2019?
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CREATE TABLE permian_basin_oil_production (well VARCHAR(255),year INT,production FLOAT);
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SELECT AVG(production) FROM permian_basin_oil_production WHERE well LIKE '%Permian Basin%' AND year = 2019;
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Identify users who have a higher heart rate on Monday than on any other day of the week.
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CREATE TABLE HeartRates (user_id INT,workout_date DATE,heart_rate INT); INSERT INTO HeartRates (user_id,workout_date,heart_rate) VALUES (1,'2022-01-01',80),(1,'2022-01-02',90),(2,'2022-01-01',70),(2,'2022-01-02',80);
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SELECT user_id FROM HeartRates WHERE EXTRACT(DAYOFWEEK FROM workout_date) = 2 AND heart_rate > (SELECT MAX(heart_rate) FROM HeartRates WHERE user_id = HeartRates.user_id AND EXTRACT(DAYOFWEEK FROM workout_date) NOT IN (2)) GROUP BY user_id HAVING COUNT(*) > 0;
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What is the average weight of fish in the 'Indian Ocean'?
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CREATE TABLE Farm (id INT,farm_name TEXT,region TEXT,species TEXT,weight FLOAT,age INT); INSERT INTO Farm (id,farm_name,region,species,weight,age) VALUES (1,'OceanPacific','Pacific','Tilapia',500.3,2),(2,'SeaBreeze','Atlantic','Salmon',300.1,1),(3,'OceanPacific','Pacific','Tilapia',600.5,3),(4,'FarmX','Atlantic','Salmon',700.2,4),(5,'SeaBreeze','Atlantic','Tilapia',400,2),(6,'AquaFarm','Indian Ocean','Tuna',900,5);
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SELECT AVG(weight) FROM Farm WHERE region = 'Indian Ocean';
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What is the maximum number of members in a union in France?
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CREATE TABLE UnionMembers (id INT,union_name VARCHAR(50),country VARCHAR(50),member_count INT); INSERT INTO UnionMembers (id,union_name,country,member_count) VALUES (1,'United Steelworkers','USA',200000),(2,'UNITE HERE','USA',300000),(3,'TUC','UK',6000000),(4,'CUPE','Canada',650000),(5,'USW','Canada',120000),(6,'CGT','France',670000),(7,'CFDT','France',630000);
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SELECT MAX(member_count) as max_members FROM UnionMembers WHERE country = 'France';
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Find the total revenue and quantity of ethically sourced products sold in 2021
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CREATE TABLE retail_sales (sale_id INT,product_id INT,quantity INT,revenue FLOAT,is_ethically_sourced BOOLEAN,sale_date DATE);
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SELECT SUM(revenue) as total_revenue, SUM(quantity) as total_quantity FROM retail_sales WHERE is_ethically_sourced = TRUE AND sale_date BETWEEN '2021-01-01' AND '2021-12-31';
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Generate a view to display the top 3 countries with the most user posts in descending order.
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CREATE TABLE users (user_id INT,country VARCHAR(50)); CREATE TABLE posts (post_id INT,user_id INT,content TEXT,post_time TIMESTAMP);
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CREATE VIEW top_posting_countries AS SELECT u.country, COUNT(p.post_id) AS post_count FROM users u JOIN posts p ON u.user_id = p.user_id GROUP BY u.country ORDER BY post_count DESC LIMIT 3;
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What is the minimum age of patients with heart disease in Mexico?
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CREATE TABLE patient_mexico (id INT,age INT,diagnosis TEXT); INSERT INTO patient_mexico (id,age,diagnosis) VALUES (1,50,'Heart Disease');
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SELECT MIN(age) FROM patient_mexico WHERE diagnosis = 'Heart Disease';
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What is the total revenue for all jazz albums sold on the 'streaming' platform?
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CREATE TABLE artists (id INT,name TEXT,genre TEXT); CREATE TABLE albums (id INT,title TEXT,artist_id INT,platform TEXT); CREATE TABLE sales (id INT,album_id INT,quantity INT,revenue DECIMAL); CREATE VIEW jazz_albums AS SELECT a.id,a.title,a.artist_id,a.platform FROM albums a JOIN artists ar ON a.artist_id = ar.id WHERE ar.genre = 'jazz'; CREATE VIEW jazz_sales AS SELECT s.id,sa.album_id,s.quantity,s.revenue FROM sales s JOIN jazz_albums ja ON s.album_id = ja.id;
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SELECT SUM(revenue) FROM jazz_sales WHERE platform = 'streaming';
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What is the average response time of the police department in Los Angeles, and how many calls did they receive?
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CREATE TABLE calls (id INT,city VARCHAR(255),date DATETIME,type VARCHAR(255),description TEXT,response_time INT); INSERT INTO calls (id,city,date,type,description,response_time) VALUES (1,'Los Angeles','2022-01-01 12:00:00','Emergency','Fire',10),(2,'Los Angeles','2022-01-02 13:00:00','Non-emergency','Noise complaint',20);
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SELECT AVG(response_time) FROM calls WHERE city = 'Los Angeles'; SELECT COUNT(*) FROM calls WHERE city = 'Los Angeles';
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Identify the defense contractors with the highest total maintenance request count for a specific time period, in this case, January 2021.
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CREATE TABLE contractor_maintenance(contractor_id INT,request_date DATE,request_type VARCHAR(20)); INSERT INTO contractor_maintenance(contractor_id,request_date,request_type) VALUES (1,'2021-01-01','equipment_inspection'),(1,'2021-01-10','equipment_repair'),(2,'2021-01-05','parts_replacement'),(2,'2021-01-15','equipment_inspection'),(3,'2021-01-20','parts_replacement');
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SELECT contractor_id, COUNT(*) as total_requests FROM contractor_maintenance WHERE request_date BETWEEN '2021-01-01' AND '2021-01-31' GROUP BY contractor_id ORDER BY total_requests DESC LIMIT 1;
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How many deep-sea species were discovered in the Indian Ocean in the last 5 years?
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CREATE TABLE deep_sea_species (id INT,name TEXT,location TEXT,year INT,discovered BOOLEAN); INSERT INTO deep_sea_species (id,name,location,year,discovered) VALUES (1,'Species A','Indian Ocean',2018,TRUE),(2,'Species B','Indian Ocean',2017,TRUE),(3,'Species C','Atlantic Ocean',2020,TRUE);
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SELECT COUNT(*) FROM deep_sea_species WHERE location = 'Indian Ocean' AND discovered = TRUE AND year >= 2016;
|
List the names of artists who created the most number of artworks in the 'Pop Art' movement.
|
CREATE TABLE Artists (id INT,artist_name VARCHAR(50)); CREATE TABLE Artworks (id INT,artist_id INT,movement VARCHAR(20));
|
SELECT artist_name FROM Artists JOIN (SELECT artist_id, COUNT(*) AS num_of_artworks FROM Artworks WHERE movement = 'Pop Art' GROUP BY artist_id ORDER BY num_of_artworks DESC LIMIT 1) AS subquery ON Artists.id = subquery.artist_id;
|
List all satellites launched between 2012-01-01 and 2014-12-31
|
CREATE TABLE satellites (id INT,name TEXT,country TEXT,launch_date DATE); INSERT INTO satellites (id,name,country,launch_date) VALUES (1,'Sentinel-1A','France','2012-04-03'); INSERT INTO satellites (id,name,country,launch_date) VALUES (2,'Sentinel-1B','France','2014-04-22'); INSERT INTO satellites (id,name,country,launch_date) VALUES (3,'USA-202','USA','2011-03-24');
|
SELECT * FROM satellites WHERE launch_date BETWEEN '2012-01-01' AND '2014-12-31';
|
What is the total amount of climate finance provided by Germany between 2010 and 2015?
|
CREATE TABLE climate_finance (country VARCHAR(30),year INT,amount FLOAT); INSERT INTO climate_finance VALUES ('Germany',2010,1200.56),('Germany',2011,1500.23),('Germany',2012,1800.98),('Germany',2013,2000.11),('Germany',2014,2500.30),('Germany',2015,3000.87);
|
SELECT SUM(amount) FROM climate_finance WHERE country = 'Germany' AND year BETWEEN 2010 AND 2015;
|
What is the total waste generated by each factory?
|
CREATE TABLE waste (factory_id INT,date DATE,waste_quantity INT); INSERT INTO waste (factory_id,date,waste_quantity) VALUES (1,'2021-01-01',50),(1,'2021-01-02',60),(2,'2021-01-01',40),(2,'2021-01-02',45);
|
SELECT f.name, SUM(w.waste_quantity) FROM waste w JOIN factories f ON w.factory_id = f.id GROUP BY f.name;
|
What is the total number of plots in the 'plots' table, where the plot is used for agroecology or urban agriculture?
|
CREATE TABLE plots (id INT,type TEXT); INSERT INTO plots (id,type) VALUES (1,'Urban'); INSERT INTO plots (id,type) VALUES (2,'Agroecological');
|
SELECT COUNT(*) FROM plots WHERE type IN ('Agroecological', 'Urban');
|
What is the average wildlife species count per protected area?
|
CREATE TABLE protected_areas (id INT,name VARCHAR(255),area FLOAT); INSERT INTO protected_areas (id,name,area) VALUES (1,'Area A',500.0),(2,'Area B',700.0); CREATE TABLE species_count (id INT,area_id INT,species_count INT); INSERT INTO species_count (id,area_id,species_count) VALUES (1,1,30),(2,1,40),(3,2,50);
|
SELECT AVG(species_count) FROM species_count JOIN protected_areas ON species_count.area_id = protected_areas.id;
|
Update population of 'Mammoth' in animals table by 15%
|
CREATE TABLE animals (id INT PRIMARY KEY,species VARCHAR(50),population INT,region VARCHAR(50)); INSERT INTO animals (id,species,population,region) VALUES (1,'Mammoth',2500,'Arctic');
|
WITH cte AS (UPDATE animals SET population = population * 1.15 WHERE species = 'Mammoth') SELECT * FROM animals;
|
Which animal has the smallest population in the 'community_education' region?
|
CREATE TABLE community_education (id INT,region VARCHAR(50),animal_name VARCHAR(50),population INT); INSERT INTO community_education (id,region,animal_name,population) VALUES (1,'Community Education','Lion',1000),(2,'Community Education','Giraffe',1500);
|
SELECT animal_name, MIN(population) FROM community_education WHERE region = 'Community Education';
|
What is the average salary of employees hired in Q2 of 2022?
|
CREATE TABLE salaries_q2_2022 (id INT,employee_id INT,department VARCHAR(50),salary FLOAT,hire_date DATE); INSERT INTO salaries_q2_2022 (id,employee_id,department,salary,hire_date) VALUES (1,15,'IT',80000.0,'2022-04-03'),(2,16,'IT',85000.0,'2022-06-14'),(3,17,'HR',90000.0,'2022-05-25'),(4,18,'HR',95000.0,'2022-07-30');
|
SELECT AVG(salary) FROM salaries_q2_2022 WHERE EXTRACT(QUARTER FROM hire_date) = 2;
|
Which animals are present in both 'National Park B' and 'Conservation Area C'?
|
CREATE TABLE Habitats (HabitatID INT,HabitatName TEXT,Location TEXT); INSERT INTO Habitats (HabitatID,HabitatName,Location) VALUES (2,'National Park B','Country B'); INSERT INTO Habitats (HabitatID,HabitatName,Location) VALUES (3,'Conservation Area C','Country C'); CREATE TABLE AnimalHabitats (AnimalID INT,HabitatID INT); INSERT INTO AnimalHabitats (AnimalID,HabitatID) VALUES (1,2); INSERT INTO AnimalHabitats (AnimalID,HabitatID) VALUES (1,3);
|
SELECT AnimalID FROM AnimalHabitats WHERE HabitatID = 2 INTERSECT SELECT AnimalID FROM AnimalHabitats WHERE HabitatID = 3;
|
Delete the record for attendee_id 1001
|
CREATE TABLE attendees (attendee_id INT PRIMARY KEY,first_name VARCHAR(50),last_name VARCHAR(50),email VARCHAR(100),phone_number VARCHAR(15),date_of_birth DATE);
|
DELETE FROM attendees WHERE attendee_id = 1001;
|
What is the maximum funding round size in the clean energy sector?
|
CREATE TABLE company (id INT,name TEXT,industry TEXT); INSERT INTO company (id,name,industry) VALUES (1,'CleanEnergy','Clean Energy'); INSERT INTO company (id,name,industry) VALUES (2,'TechBoost','Technology'); CREATE TABLE funding_round (company_id INT,round_size INT); INSERT INTO funding_round (company_id,round_size) VALUES (1,5000000); INSERT INTO funding_round (company_id,round_size) VALUES (2,7000000);
|
SELECT MAX(funding_round.round_size) FROM company INNER JOIN funding_round ON company.id = funding_round.company_id WHERE company.industry = 'Clean Energy';
|
What are the total sales for each game category, and which category has the highest sales, considering only games released after 2015?
|
CREATE TABLE games (game_id INT,game_name VARCHAR(50),release_year INT,category VARCHAR(50),price DECIMAL(5,2),sales INT); INSERT INTO games VALUES (1,'GameA',2014,'Action',59.99,15000); INSERT INTO games VALUES (2,'GameB',2016,'RPG',49.99,20000); INSERT INTO games VALUES (3,'GameC',2015,'Strategy',39.99,12000);
|
SELECT category, SUM(sales) as total_sales FROM games WHERE release_year > 2015 GROUP BY category ORDER BY total_sales DESC;
|
What is the total water usage by each state?
|
CREATE TABLE state_water_usage (state VARCHAR(255),usage INT); INSERT INTO state_water_usage (state,usage) VALUES ('California',10000),('Texas',8000),('Florida',7000);
|
SELECT state, SUM(usage) FROM state_water_usage GROUP BY state;
|
Find the number of packages shipped to California from January 1, 2021 to January 10, 2021
|
CREATE TABLE Warehouse (id INT,location VARCHAR(50),packages INT); INSERT INTO Warehouse (id,location,packages) VALUES (1,'California',500),(2,'Texas',300),(3,'New York',400);
|
SELECT SUM(packages) FROM Warehouse WHERE location = 'California' AND timestamp BETWEEN '2021-01-01' AND '2021-01-10';
|
Number of community health workers by ethnicity in Texas?
|
CREATE TABLE CommunityHealthWorker (ID INT,State VARCHAR(50),Ethnicity VARCHAR(50)); INSERT INTO CommunityHealthWorker (ID,State,Ethnicity) VALUES (1,'Texas','Hispanic'),(2,'Texas','African American'),(3,'Texas','Asian'),(4,'Texas','White');
|
SELECT Ethnicity, COUNT(*) as CHWCount FROM CommunityHealthWorker WHERE State = 'Texas' GROUP BY Ethnicity;
|
What is the average ticket price for cultural events in each city?
|
CREATE TABLE CulturalEvents (id INT,city VARCHAR(50),date DATE,ticket_price DECIMAL(5,2)); INSERT INTO CulturalEvents (id,city,date,ticket_price) VALUES (1,'New York','2022-01-01',50.00),(2,'Los Angeles','2022-01-02',60.00),(3,'New York','2022-01-03',40.00);
|
SELECT city, AVG(ticket_price) FROM CulturalEvents GROUP BY city;
|
Create a table named 'volunteer_events'
|
CREATE TABLE volunteer_events (id INT PRIMARY KEY,name VARCHAR(255),location VARCHAR(255),description TEXT,start_date DATETIME,end_date DATETIME);
|
CREATE TABLE volunteer_events (id INT PRIMARY KEY, name VARCHAR(255), location VARCHAR(255), description TEXT, start_date DATETIME, end_date DATETIME);
|
What is the average number of hours played per day for players who play VR games?
|
CREATE TABLE PlayerHours (PlayerID INT,Game VARCHAR(10),Hours DECIMAL(3,2)); INSERT INTO PlayerHours (PlayerID,Game,Hours) VALUES (1,'VR',3.5);
|
SELECT AVG(Hours) FROM PlayerHours WHERE Game = 'VR';
|
What is the average temperature recorded by the soil moisture sensor in the 'sensor_data_2022' table for vineyards located in California?
|
CREATE TABLE sensor_data_2022 (location VARCHAR(50),sensor_type VARCHAR(50),temperature FLOAT,reading_date DATE); INSERT INTO sensor_data_2022 (location,sensor_type,temperature,reading_date) VALUES ('Vineyard in California','Soil Moisture',23.5,'2022-06-01'); INSERT INTO sensor_data_2022 (location,sensor_type,temperature,reading_date) VALUES ('Vineyard in California','Soil Moisture',24.3,'2022-06-02');
|
SELECT AVG(temperature) FROM sensor_data_2022 WHERE location = 'Vineyard in California' AND sensor_type = 'Soil Moisture';
|
Identify the top 3 cities with the highest number of COVID-19 cases in the state of California.
|
CREATE TABLE public.covid_data (id SERIAL PRIMARY KEY,city TEXT,cases INTEGER); INSERT INTO public.covid_data (city,cases) VALUES ('San Francisco',1000),('Los Angeles',2000),('San Diego',1500),('San Jose',1200),('Sacramento',800);
|
SELECT city, cases FROM public.covid_data ORDER BY cases DESC LIMIT 3;
|
Update the status of all traffic violations that occurred more than 1 year ago in the city of Chicago to 'expired'.
|
CREATE TABLE traffic_violations(id INT,violation_number INT,violation_date DATE,city VARCHAR(50));CREATE TABLE violation_status(id INT,violation_number INT,violation_status VARCHAR(50));
|
UPDATE violation_status SET violation_status = 'expired' WHERE violation_number IN (SELECT tv.violation_number FROM traffic_violations tv WHERE tv.violation_date < NOW() - INTERVAL 1 YEAR AND tv.city = 'Chicago');
|
How many hospitals are there in New York?
|
CREATE TABLE Hospital (HospitalName TEXT,State TEXT); INSERT INTO Hospital VALUES ('Bellevue Hospital','New York'),('Mount Sinai Hospital','New York');
|
SELECT COUNT(*) FROM Hospital WHERE State = 'New York';
|
Get the top 3 donors by total donation amount
|
CREATE TABLE donations (id INT,donor_id INT,amount DECIMAL(10,2)); INSERT INTO donations (id,donor_id,amount) VALUES (1,1,1000.00); INSERT INTO donations (id,donor_id,amount) VALUES (2,1,2000.00); INSERT INTO donations (id,donor_id,amount) VALUES (3,2,3000.00);
|
SELECT donor_id, SUM(amount) as total_donations FROM donations GROUP BY donor_id ORDER BY total_donations DESC LIMIT 3;
|
What is the total amount of funding received by visual arts programs in the last quarter?
|
CREATE TABLE visual_arts_programs (program_id INT,program_name VARCHAR(50)); CREATE TABLE program_funding (program_id INT,source_id INT,amount DECIMAL(5,2)); CREATE TABLE funding_sources (source_id INT,source_name VARCHAR(50)); INSERT INTO visual_arts_programs (program_id,program_name) VALUES (1,'Painting Classes'),(2,'Sculpture Workshops'),(3,'Photography Course'); INSERT INTO funding_sources (source_id,source_name) VALUES (1,'Arts Council'),(2,'Local Grants'),(3,'Private Donors'); INSERT INTO program_funding (program_id,source_id,amount) VALUES (1,1,5000),(1,2,3000),(2,1,7000),(2,3,12000),(3,2,8000),(3,3,10000);
|
SELECT AVG(p.amount) as avg_funding FROM program_funding p INNER JOIN visual_arts_programs v ON p.program_id = v.program_id INNER JOIN funding_sources fs ON p.source_id = fs.source_id WHERE v.program_name IN ('Painting Classes', 'Sculpture Workshops', 'Photography Course') AND p.amount IS NOT NULL AND fs.source_name IN ('Arts Council', 'Local Grants', 'Private Donors') AND p.program_id IS NOT NULL AND v.program_id IS NOT NULL AND fs.source_id IS NOT NULL AND p.program_id = v.program_id AND p.source_id = fs.source_id AND v.program_id = p.program_id AND fs.source_id = p.source_id AND p.amount > 0 AND fs.source_name != '';
|
What are the average speeds of electric vehicles in the NYC taxi fleet?
|
CREATE TABLE taxi (taxi_id INT,vehicle_type VARCHAR(20),avg_speed FLOAT); INSERT INTO taxi (taxi_id,vehicle_type,avg_speed) VALUES (1,'Tesla',25.6),(2,'Nissan Leaf',22.3),(3,'Chevy Bolt',23.7);
|
SELECT avg(avg_speed) FROM taxi WHERE vehicle_type LIKE 'Electric%';
|
How many containers were shipped from the Port of Singapore to South America in the past year, grouped by the month of shipment?
|
CREATE TABLE ports (id INT,name TEXT,location TEXT); INSERT INTO ports (id,name,location) VALUES (1,'Port of Singapore','Singapore'); CREATE TABLE shipments (id INT,container_count INT,departure_port_id INT,arrival_region TEXT,shipment_date DATE); INSERT INTO shipments (id,container_count,departure_port_id,arrival_region,shipment_date) VALUES (1,30,1,'South America','2022-02-03');
|
SELECT departure_port_id, arrival_region, MONTH(shipment_date) AS month, SUM(container_count) FROM shipments WHERE departure_port_id = (SELECT id FROM ports WHERE name = 'Port of Singapore') AND arrival_region = 'South America' AND shipment_date >= DATE_SUB(CURRENT_DATE, INTERVAL 1 YEAR) GROUP BY month;
|
What is the average mental health score of students in each district who have participated in at least 3 professional development courses?
|
CREATE TABLE student_mental_health (student_id INT,district_id INT,mental_health_score INT,date DATE); CREATE TABLE professional_development_courses (course_id INT,student_id INT,course_name VARCHAR(100),date DATE); CREATE TABLE districts (district_id INT,district_name VARCHAR(100));
|
SELECT d.district_name, AVG(smh.mental_health_score) as avg_mental_health_score FROM student_mental_health smh JOIN districts d ON smh.district_id = d.district_id JOIN (SELECT student_id, COUNT(*) as num_courses FROM professional_development_courses GROUP BY student_id HAVING num_courses >= 3) pdc ON smh.student_id = pdc.student_id GROUP BY d.district_name;
|
What is the total amount of funding from private sources for music events?
|
CREATE TABLE funding (id INT,source TEXT,category TEXT,amount INT); INSERT INTO funding VALUES (1,'Private','Music',10000);
|
SELECT SUM(funding.amount) FROM funding WHERE funding.source = 'Private' AND funding.category = 'Music';
|
Delete all records from the 'warehouse' table where the city is 'Cairo'.
|
CREATE TABLE warehouse (id INT PRIMARY KEY,name VARCHAR(50),city VARCHAR(50));
|
DELETE FROM warehouse WHERE city = 'Cairo';
|
How many individuals have completed a restorative justice program in the past year, broken down by the type of program and the number of prior offenses?
|
CREATE TABLE restorative_justice_programs (id INT,program_type TEXT,num_prior_offenses INT,completion_date DATE);
|
SELECT program_type, num_prior_offenses, COUNT(*) FROM restorative_justice_programs WHERE completion_date >= DATE_SUB(CURRENT_DATE, INTERVAL 1 YEAR) GROUP BY program_type, num_prior_offenses;
|
What is the collective bargaining success rate for private sector unions in the last 12 months?
|
CREATE TABLE unions (id INT,union_name VARCHAR(255),sector VARCHAR(255)); INSERT INTO unions (id,union_name,sector) VALUES (1,'United Steelworkers','Private'),(2,'American Federation of State,County and Municipal Employees','Public'); CREATE TABLE negotiations (id INT,union_id INT,success BOOLEAN,negotiation_date DATE); INSERT INTO negotiations (id,union_id,success,negotiation_date) VALUES (1,1,true,'2022-01-01'),(2,1,false,'2021-12-01');
|
SELECT u.union_name, AVG(n.success) as success_rate FROM unions u JOIN negotiations n ON u.id = n.union_id WHERE u.sector = 'Private' AND n.negotiation_date >= DATE(NOW()) - INTERVAL 12 MONTH GROUP BY u.union_name;
|
Identify the dish with the highest price
|
CREATE TABLE dishes (dish_id INT,dish_name VARCHAR(255),price DECIMAL(5,2)); INSERT INTO dishes (dish_id,dish_name,price) VALUES (1,'Margherita Pizza',12.99),(2,'Chicken Alfredo',15.99),(3,'Caesar Salad',9.99);
|
SELECT dish_name, price FROM dishes ORDER BY price DESC LIMIT 1;
|
Create a table named 'player_achievements'
|
CREATE TABLE player_achievements (player_id INT,achievement_name VARCHAR(255),achievement_date DATE);
|
CREATE TABLE player_achievements (player_id INT, achievement_name VARCHAR(255), achievement_date DATE);
|
What is the average portfolio value for customers in each age group (e.g., 18-24, 25-34, 35-44, etc.)?
|
CREATE TABLE customers (customer_id INT,name VARCHAR(50),age INT,gender VARCHAR(10),risk_score INT,portfolio_value DECIMAL(10,2)); INSERT INTO customers (customer_id,name,age,gender,risk_score,portfolio_value) VALUES (1,'John Doe',35,'Male',5,50000.00),(2,'Jane Smith',45,'Female',7,75000.00),(3,'Bob Johnson',28,'Male',3,60000.00),(4,'Alice Williams',32,'Female',6,80000.00);
|
SELECT AVG(portfolio_value) as avg_portfolio_value, FLOOR((age-1)/10)*10 as age_group FROM customers GROUP BY age_group;
|
Create a table named 'farm_locations'
|
CREATE TABLE farm_locations (location_id INT PRIMARY KEY,location_name VARCHAR(255),country VARCHAR(255),ocean VARCHAR(255));
|
CREATE TABLE farm_locations (location_id INT PRIMARY KEY, location_name VARCHAR(255), country VARCHAR(255), ocean VARCHAR(255));
|
What is the total number of education programs and their respective budgets?
|
CREATE TABLE education_programs (program_id INT,program_name VARCHAR(20),budget INT); INSERT INTO education_programs (program_id,program_name,budget) VALUES (1,'Community Outreach',15000); INSERT INTO education_programs (program_id,program_name,budget) VALUES (2,'School Visits',20000);
|
SELECT COUNT(*), SUM(budget) FROM education_programs;
|
Which suppliers provided raw materials for the 'High-Efficiency Solar Panel Production' process in the past month?
|
CREATE TABLE suppliers (supplier_id INT,name TEXT); CREATE TABLE raw_materials (raw_material_id INT,name TEXT,supplier_id INT,delivery_date DATE); CREATE TABLE process_raw_materials (process_id INT,raw_material_id INT);
|
SELECT DISTINCT suppliers.name FROM suppliers INNER JOIN process_raw_materials ON suppliers.supplier_id = (SELECT supplier_id FROM raw_materials WHERE raw_materials.raw_material_id = process_raw_materials.raw_material_id) INNER JOIN raw_materials ON process_raw_materials.raw_material_id = raw_materials.raw_material_id WHERE process_raw_materials.process_id = (SELECT process_id FROM manufacturing_processes WHERE name = 'High-Efficiency Solar Panel Production') AND raw_materials.delivery_date > DATEADD(month, -1, GETDATE());
|
What is the total number of farms owned by women in the 'agriculture_database'?
|
CREATE TABLE farmers (id INT,name VARCHAR(50),gender VARCHAR(10),age INT,farm_size FLOAT); INSERT INTO farmers (id,name,gender,age,farm_size) VALUES (1,'Jane','Female',45,200.5),(2,'Alice','Female',34,150.3),(3,'Bob','Male',50,350.7);
|
SELECT COUNT(*) FROM farmers WHERE gender = 'Female';
|
Count of 'metal' artifacts from 'african_excavations' per site
|
CREATE TABLE african_excavations (id INT,site_name VARCHAR(50),artifact_name VARCHAR(50),weight INT,material VARCHAR(20));
|
SELECT site_name, COUNT(*) FROM african_excavations WHERE material = 'metal' GROUP BY site_name;
|
What is the total number of articles published by each author in a specific month of a specific year?
|
CREATE TABLE articles (article_id INT,author VARCHAR(50),title VARCHAR(100),category VARCHAR(50),word_count INT,publication_date DATE);
|
SELECT author, EXTRACT(MONTH FROM publication_date) AS month, COUNT(article_id) AS articles_in_month FROM articles WHERE EXTRACT(YEAR FROM publication_date) = 2022 AND EXTRACT(MONTH FROM publication_date) = 12 GROUP BY author, month;
|
What is the name of the author who has published the least articles?
|
CREATE TABLE authors_articles (author_id INT,article_id INT); INSERT INTO authors_articles (author_id,article_id) VALUES (1,1),(1,2),(2,3);CREATE TABLE authors (id INT,name VARCHAR(50)); INSERT INTO authors (id,name) VALUES (1,'Alice'),(2,'Bob');
|
SELECT authors.name FROM authors JOIN (SELECT author_id, COUNT(*) as article_count FROM authors_articles GROUP BY author_id ORDER BY article_count ASC LIMIT 1) as article_counts ON authors.id = article_counts.author_id;
|
What was the total waste produced by the 'West Coast' plant in 2020?
|
CREATE TABLE waste (plant varchar(10),year int,waste_amount int); INSERT INTO waste (plant,year,waste_amount) VALUES ('North Plant',2020,150),('North Plant',2019,140),('West Plant',2020,200),('West Plant',2019,180);
|
SELECT SUM(waste_amount) FROM waste WHERE plant = 'West Plant' AND year = 2020;
|
What is the average funding round size for startups founded by Latinx individuals?
|
CREATE TABLE company (id INT,name TEXT,founding_year INT,founder_gender TEXT,founder_ethnicity TEXT); INSERT INTO company (id,name,founding_year,founder_gender,founder_ethnicity) VALUES (1,'TechFuturo',2018,'male','Latinx'); INSERT INTO company (id,name,founding_year,founder_gender,founder_ethnicity) VALUES (2,'EcoVida',2020,'female','Latinx'); CREATE TABLE funding_round (company_id INT,round_amount INT); INSERT INTO funding_round (company_id,round_amount) VALUES (1,3000000); INSERT INTO funding_round (company_id,round_amount) VALUES (2,6000000);
|
SELECT AVG(funding_round.round_amount) FROM company JOIN funding_round ON company.id = funding_round.company_id WHERE company.founder_ethnicity = 'Latinx';
|
Insert a new healthcare facility into the facility table.
|
CREATE TABLE facility (id INT,name VARCHAR(50),type VARCHAR(50),capacity INT);
|
INSERT INTO facility (id, name, type, capacity) VALUES (3, 'New Hope Clinic', 'Community Health Center', 150);
|
How many skincare products contain natural ingredients and were sold in the US?
|
CREATE TABLE skincare (id INT,name VARCHAR(255),natural_ingredients BOOLEAN,country VARCHAR(255),sales INT); INSERT INTO skincare (id,name,natural_ingredients,country,sales) VALUES (1,'Cleanser',true,'USA',100),(2,'Toner',false,'Canada',50),(3,'Moisturizer',true,'USA',200);
|
SELECT COUNT(*) FROM skincare WHERE natural_ingredients = true AND country = 'USA';
|
Find the top 5 busiest subway stations in terms of unique users in the last week.
|
CREATE TABLE station_usage (station_name VARCHAR(255),user_id INT,usage_date DATE); INSERT INTO station_usage (station_name,user_id,usage_date) VALUES ('Times Square',1,'2022-03-29'),('Grand Central',2,'2022-03-28'),('Times Square',3,'2022-03-27'),('Union Station',4,'2022-03-26'),('Union Station',5,'2022-03-25'),('Times Square',6,'2022-03-24'),('Grand Central',7,'2022-03-23');
|
SELECT station_name, COUNT(DISTINCT user_id) AS unique_users FROM station_usage WHERE usage_date >= DATEADD(day, -7, CURRENT_DATE) GROUP BY station_name ORDER BY unique_users DESC LIMIT 5
|
What is the total number of streams for electronic music on TikTok, grouped by week?
|
CREATE TABLE WeeklyStreams (StreamID INT,TrackID INT,PlatformID INT,Date DATE,Streams INT); INSERT INTO WeeklyStreams (StreamID,TrackID,PlatformID,Date,Streams) VALUES (1,1,4,'2022-01-01',100);
|
SELECT EXTRACT(WEEK FROM Date) as Week, EXTRACT(YEAR FROM Date) as Year, SUM(Streams) as TotalStreams FROM WeeklyStreams JOIN Tracks ON WeeklyStreams.TrackID = Tracks.TrackID JOIN StreamingPlatforms ON WeeklyStreams.PlatformID = StreamingPlatforms.PlatformID WHERE Genre = 'Electronic' AND PlatformName = 'TikTok' GROUP BY Week, Year;
|
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