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Which food supplier had the most safety violations in 2021?
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CREATE TABLE SupplierSafetyRecords (SupplierName VARCHAR(50),Year INT,SafetyViolations INT); INSERT INTO SupplierSafetyRecords (SupplierName,Year,SafetyViolations) VALUES ('ABC Foods',2021,5),('XYZ Foods',2021,8),('123 Foods',2021,3),('FoodCo',2021,7),('EcoFoods',2021,4);
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SELECT SupplierName, MAX(SafetyViolations) FROM SupplierSafetyRecords WHERE Year = 2021 GROUP BY SupplierName;
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Display the PlayerName and VRAdopted date for players who adopted VR technology in 2021
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CREATE TABLE Players (PlayerID INT,PlayerName VARCHAR(50),Country VARCHAR(50)); INSERT INTO Players (PlayerID,PlayerName,Country) VALUES (1,'John Smith','Canada'); INSERT INTO Players (PlayerID,PlayerName,Country) VALUES (2,'Jane Doe','USA'); CREATE TABLE VRAdoption (PlayerID INT,VRAdopted DATE); INSERT INTO VRAdoption (PlayerID,VRAdopted) VALUES (1,'2021-08-01'); INSERT INTO VRAdoption (PlayerID,VRAdopted) VALUES (2,'2020-08-01');
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SELECT p.PlayerName, va.VRAdopted FROM Players p INNER JOIN VRAdoption va ON p.PlayerID = va.PlayerID WHERE YEAR(va.VRAdopted) = 2021;
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Insert new temperature data for farm_id 345
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CREATE TABLE temperature_data (id INT,farm_id INT,temperature FLOAT,measurement_date DATE);
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INSERT INTO temperature_data (id, farm_id, temperature, measurement_date) VALUES (6, 345, 22.2, '2022-06-02');
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Create a table named 'diplomacy_events'
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CREATE TABLE diplomacy_events (event_id INT,name VARCHAR(255),country VARCHAR(255),date DATE,description TEXT);
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CREATE TABLE diplomacy_events (event_id INT, name VARCHAR(255), country VARCHAR(255), date DATE, description TEXT);
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Alter 'military_equipment' table to add a column 'country'
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CREATE TABLE military_equipment (id INT PRIMARY KEY,name VARCHAR(255),type VARCHAR(255),manufacturer VARCHAR(255),year INT,country VARCHAR(255)); INSERT INTO military_equipment (id,name,type,manufacturer,year,country) VALUES (1,'M1 Abrams','Tank','General Dynamics',1980,'USA'),(2,'F-15 Eagle','Fighter','McDonnell Douglas',1976,'USA');
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ALTER TABLE military_equipment ADD COLUMN country VARCHAR(255);
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Identify the number of cultural heritage sites and virtual tours offered in France and Spain, and find the difference between the two numbers.
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CREATE TABLE cultural_sites (site_id INT,country VARCHAR(20),type VARCHAR(20)); INSERT INTO cultural_sites (site_id,country,type) VALUES (1,'France','heritage'),(2,'Spain','heritage'),(3,'France','heritage'),(4,'France','virtual'),(5,'Spain','virtual');
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SELECT COUNT(*) FROM cultural_sites WHERE country = 'France' AND type = 'heritage' UNION ALL SELECT COUNT(*) FROM cultural_sites WHERE country = 'Spain' AND type = 'heritage' UNION ALL SELECT COUNT(*) FROM cultural_sites WHERE country = 'France' AND type = 'virtual' UNION ALL SELECT COUNT(*) FROM cultural_sites WHERE country = 'Spain' AND type = 'virtual' EXCEPT (SELECT * FROM (SELECT COUNT(*) FROM cultural_sites WHERE country = 'France' AND type = 'heritage' UNION ALL SELECT COUNT(*) FROM cultural_sites WHERE country = 'Spain' AND type = 'heritage' UNION ALL SELECT COUNT(*) FROM cultural_sites WHERE country = 'France' AND type = 'virtual' UNION ALL SELECT COUNT(*) FROM cultural_sites WHERE country = 'Spain' AND type = 'virtual') AS subquery);
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How many cultivation licenses have been issued in Washington in the past year?
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CREATE TABLE Licenses (id INT,type TEXT,issue_date DATE,revoke_date DATE);
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SELECT COUNT(*) FROM Licenses WHERE type = 'cultivation' AND issue_date >= DATE_SUB(CURDATE(), INTERVAL 1 YEAR) AND issue_date < DATE_SUB(CURDATE(), INTERVAL 0 DAY) AND revoke_date IS NULL;
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Delete records of customers who have not paid their bills in the last 60 days from the billing table
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CREATE TABLE billing (customer_id INT,bill_amount DECIMAL(5,2),payment_date DATE);
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DELETE FROM billing WHERE payment_date < (CURRENT_DATE - INTERVAL '60' DAY);
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Update the medical data of astronaut 'John Glenn' to include a new medical record with a medical issue of 'High Blood Pressure' and a medical date of '1999-01-01'.
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CREATE TABLE AstronautMedicalData (AstronautName VARCHAR(255),MedicalIssue VARCHAR(255),MedicalDate DATE); INSERT INTO AstronautMedicalData (AstronautName,MedicalIssue,MedicalDate) VALUES ('Neil Armstrong','Allergies','1968-12-12'),('Buzz Aldrin','Anxiety','1968-11-11');
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INSERT INTO AstronautMedicalData (AstronautName, MedicalIssue, MedicalDate) SELECT 'John Glenn', 'High Blood Pressure', '1999-01-01' FROM AstronautMedicalData WHERE AstronautName = 'John Glenn' LIMIT 1;
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What is the average waste generation per capita in the Asian region?
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CREATE TABLE WasteGeneration (country VARCHAR(255),waste_generation_kg_per_capita DECIMAL(5,2),region VARCHAR(255)); INSERT INTO WasteGeneration (country,waste_generation_kg_per_capita,region) VALUES ('Japan',3.2,'Asia'),('China',5.1,'Asia'),('India',1.7,'Asia');
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SELECT AVG(waste_generation_kg_per_capita) FROM WasteGeneration WHERE region = 'Asia';
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What is the difference in total points scored between the first and second halves of each NBA game?
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CREATE TABLE games (game_id INT,first_half_points INT,second_half_points INT);
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SELECT game_id, first_half_points - second_half_points AS point_difference FROM games;
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For all clients with a last name starting with 'B', update the region to 'EU'.
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CREATE TABLE clients (client_id INT,name VARCHAR(50),region VARCHAR(50));INSERT INTO clients (client_id,name,region) VALUES (1,'John Doe','North America'),(2,'Barbara Black','Asia');
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UPDATE clients c SET c.region = 'EU' WHERE SUBSTRING(c.name, 1, 1) = 'B';
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What is the funding amount for the 'Coral Reef Restoration' project?
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CREATE TABLE marine_research_funding (id INT PRIMARY KEY,project_name VARCHAR(255),organization VARCHAR(255),start_date DATE,end_date DATE,budget FLOAT); INSERT INTO marine_research_funding (id,project_name,organization,start_date,end_date,budget) VALUES (2,'Coral Reef Restoration','National Marine Fisheries Service','2022-07-01','2025-06-30',8000000.00);
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SELECT budget FROM marine_research_funding WHERE project_name = 'Coral Reef Restoration';
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What are the top 3 rare earth element producers in terms of total production quantity?
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CREATE TABLE producer (id INT,name TEXT,total_production FLOAT); INSERT INTO producer (id,name,total_production) VALUES (1,'China',140000),(2,'Australia',20000),(3,'United States',15000);
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SELECT name, total_production FROM producer ORDER BY total_production DESC LIMIT 3;
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What is the total cost of accommodations for students with mobility impairments in the last 3 months?
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CREATE TABLE student_accommodations (student_id INT,disability_type VARCHAR(255),country VARCHAR(255),date DATE,cost INT); INSERT INTO student_accommodations (student_id,disability_type,country,date,cost) VALUES (1,'Mobility Impairment','USA','2021-03-22',500); INSERT INTO student_accommodations (student_id,disability_type,country,date,cost) VALUES (2,'Mobility Impairment','Canada','2021-04-01',700);
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SELECT SUM(cost) as total_cost FROM student_accommodations WHERE disability_type = 'Mobility Impairment' AND date BETWEEN DATE_SUB(NOW(), INTERVAL 3 MONTH) AND NOW();
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What's the total number of renewable energy projects in Sweden?
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CREATE TABLE renewable_energy (country VARCHAR(255),project_name VARCHAR(255),type VARCHAR(255),count INT);
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SELECT SUM(count) FROM renewable_energy WHERE country = 'Sweden' AND type = 'renewable';
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What are the names of the programs that have more than 5 volunteers?
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CREATE TABLE Programs (ProgramID INT,ProgramName VARCHAR(255)); INSERT INTO Programs (ProgramID,ProgramName) VALUES (1,'Education'),(2,'Health'),(3,'Environment'),(4,'Arts'),(5,'Sports'); CREATE TABLE Volunteers (VolunteerID INT,ProgramID INT); INSERT INTO Volunteers (VolunteerID,ProgramID) VALUES (1,1),(2,1),(3,2),(4,2),(5,2),(6,3),(7,4),(8,4),(9,4),(10,5);
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SELECT Programs.ProgramName FROM Programs INNER JOIN Volunteers ON Programs.ProgramID = Volunteers.ProgramID GROUP BY Programs.ProgramName HAVING COUNT(DISTINCT Volunteers.VolunteerID) > 5;
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What is the total amount of waste generated in the commercial sector in the year 2020?
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CREATE TABLE waste_generation (id INT,sector VARCHAR(20),year INT,waste_generated FLOAT); INSERT INTO waste_generation (id,sector,year,waste_generated) VALUES (1,'commercial',2020,200.2),(2,'commercial',2019,190.1),(3,'residential',2020,150.5);
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SELECT SUM(waste_generated) FROM waste_generation WHERE sector = 'commercial' AND year = 2020;
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What is the average salary for employees in the IT department?
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CREATE TABLE Employees (EmployeeID INT,Department VARCHAR(50),Salary DECIMAL(10,2)); INSERT INTO Employees (EmployeeID,Department,Salary) VALUES (1,'IT',75000.00); INSERT INTO Employees (EmployeeID,Department,Salary) VALUES (2,'IT',80000.00); INSERT INTO Employees (EmployeeID,Department,Salary) VALUES (3,'HR',65000.00);
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SELECT AVG(Salary) FROM Employees WHERE Department = 'IT'
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What is the average capacity of vessels in the 'fleet_management' table?
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CREATE TABLE fleet_management (id INT,name VARCHAR(50),type VARCHAR(50),capacity INT);
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SELECT AVG(capacity) FROM fleet_management;
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List all collective bargaining agreements and their respective union names.
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CREATE TABLE CollectiveBargaining (agreement_id INT,union_id INT,terms TEXT); CREATE TABLE Unions (union_id INT,name TEXT);
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SELECT CollectiveBargaining.terms, Unions.name FROM CollectiveBargaining INNER JOIN Unions ON CollectiveBargaining.union_id = Unions.union_id;
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Find the CO2 emissions for each store in the state of New York.
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CREATE TABLE stores (store_id INT,store_name VARCHAR(255),store_state VARCHAR(255),co2_emissions INT);
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SELECT store_name, co2_emissions FROM stores WHERE store_state = 'New York';
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What is the total number of students who received accommodations in the arts department and the physical education department, for the fall 2021 semester?
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CREATE TABLE arts_accommodations (student_id INT,semester VARCHAR(10));CREATE TABLE pe_accommodations (student_id INT,semester VARCHAR(10)); INSERT INTO arts_accommodations VALUES (4,'fall 2021'),(5,'fall 2021'),(6,'fall 2021'); INSERT INTO pe_accommodations VALUES (5,'fall 2021'),(6,'fall 2021'),(7,'fall 2021');
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SELECT COUNT(*) FROM arts_accommodations WHERE semester = 'fall 2021' UNION ALL SELECT COUNT(*) FROM pe_accommodations WHERE semester = 'fall 2021';
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Calculate the year-over-year change in visitor spending in Africa.
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CREATE TABLE spending_stats (year INT,continent TEXT,spending DECIMAL(10,2)); INSERT INTO spending_stats (year,continent,spending) VALUES (2019,'Africa',800),(2020,'Africa',600),(2021,'Africa',900);
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SELECT t1.year, t1.continent, (t1.spending - LAG(t1.spending) OVER (PARTITION BY t1.continent ORDER BY t1.year)) / ABS(LAG(t1.spending) OVER (PARTITION BY t1.continent ORDER BY t1.year)) as change_percentage FROM spending_stats t1;
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Which sites have no recorded marine life observations?
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CREATE TABLE marine_species (species_id INT,site_id INT,species_name TEXT); INSERT INTO marine_species (species_id,site_id,species_name) VALUES (1,1,'Anglerfish'),(2,3,'Giant Squid'),(3,1,'Oceanic Trench Snailfish');
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SELECT site_id FROM marine_sites WHERE site_id NOT IN (SELECT site_id FROM marine_species);
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How many vessels were registered in the first quarter of 2020 in the Caribbean region?
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CREATE TABLE vessels (vessel_id INT,registration_date DATE,region TEXT); INSERT INTO vessels VALUES (1,'2020-01-15','Caribbean'),(2,'2020-03-07','Caribbean'),(3,'2019-12-28','Caribbean'),(4,'2020-02-04','Caribbean'),(5,'2019-11-10','Caribbean'),(6,'2020-01-02','Caribbean');
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SELECT COUNT(*) FROM vessels WHERE registration_date BETWEEN '2020-01-01' AND '2020-03-31' AND region = 'Caribbean';
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How many clinical trials were conducted for a specific therapeutic area, 'Oncology', between 2015 and 2020?
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CREATE TABLE clinical_trials (trial_id INT,therapeutic_area VARCHAR(50),start_year INT,end_year INT); INSERT INTO clinical_trials (trial_id,therapeutic_area,start_year,end_year) VALUES (1,'Oncology',2015,2017),(2,'Oncology',2016,2018),(3,'Cardiology',2017,2019),(4,'Oncology',2018,2020);
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SELECT COUNT(*) as total_trials FROM clinical_trials WHERE therapeutic_area = 'Oncology' AND start_year BETWEEN 2015 AND 2020;
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What was the total funding received by each department in H1 2023?
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CREATE TABLE funding_sources (funding_id INT,funding_amount INT,funding_date DATE,department_id INT); INSERT INTO funding_sources (funding_id,funding_amount,funding_date,department_id) VALUES (1,5000,'2023-01-01',101); INSERT INTO funding_sources (funding_id,funding_amount,funding_date,department_id) VALUES (2,7000,'2023-04-15',102);
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SELECT department_id, SUM(funding_amount) as total_funding FROM funding_sources WHERE MONTH(funding_date) <= 6 AND YEAR(funding_date) = 2023 GROUP BY department_id;
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What is the change in obesity rates for each community center between 2018 and 2020?
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CREATE TABLE obesity_data (community_center TEXT,year INT,obesity_rate INT); INSERT INTO obesity_data (community_center,year,obesity_rate) VALUES ('Center A',2018,20),('Center A',2019,22),('Center A',2020,24),('Center B',2018,18),('Center B',2019,19),('Center B',2020,21);
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SELECT community_center, (obesity_rate_2020 - obesity_rate_2018) AS obesity_change FROM (SELECT community_center, obesity_rate AS obesity_rate_2018, LEAD(obesity_rate, 2) OVER (PARTITION BY community_center ORDER BY year) AS obesity_rate_2020 FROM obesity_data) WHERE obesity_rate_2020 IS NOT NULL;
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How many animals are there in each protected habitat?
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CREATE TABLE Protected_Habitats (id INT,habitat_id INT,animal_count INT);
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SELECT habitat_id, COUNT(*) FROM Protected_Habitats GROUP BY habitat_id;
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List all employees who do not have a job title
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CREATE TABLE employees (id INT,first_name VARCHAR(50),last_name VARCHAR(50),job_title VARCHAR(100)); INSERT INTO employees (id,first_name,last_name,job_title) VALUES (1,'John','Doe','Software Engineer'),(2,'Jane','Doe',NULL);
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SELECT id, first_name, last_name FROM employees WHERE job_title IS NULL;
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What is the average calorie intake for organic meals in Canada?
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CREATE TABLE Meals(id INT,name TEXT,country TEXT,calories INT); INSERT INTO Meals(id,name,country,calories) VALUES (1,'Organic Salad','Canada',350),(2,'Vegan Burger','Canada',600);
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SELECT AVG(calories) FROM Meals WHERE name LIKE '%Organic%' AND country = 'Canada';
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What is the minimum and maximum property price in the inclusive housing program?
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CREATE TABLE inclusive_housing_prices (property_id INT,price DECIMAL(10,2)); INSERT INTO inclusive_housing_prices (property_id,price) VALUES (1,300000.00),(2,350000.00),(3,400000.00);
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SELECT MIN(price), MAX(price) FROM inclusive_housing_prices;
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Calculate the total fare collected at each station on the Blue Line on 2022-07-01
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CREATE TABLE stations (station_id INT,station_name VARCHAR(255),line VARCHAR(255));CREATE TABLE trips (trip_id INT,station_id INT,entry_time TIMESTAMP,fare FLOAT); INSERT INTO stations (station_id,station_name,line) VALUES (1,'Bowdoin','Blue Line'),(2,'Aquarium','Blue Line'),(3,'Maverick','Blue Line'); INSERT INTO trips (trip_id,station_id,entry_time,fare) VALUES (1,1,'2022-07-01 06:00:00',2.5),(2,1,'2022-07-01 18:00:00',3.0),(3,2,'2022-07-01 12:00:00',1.5),(4,3,'2022-07-01 10:00:00',4.0);
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SELECT s.station_name, SUM(t.fare) as total_fare FROM trips t JOIN stations s ON t.station_id = s.station_id WHERE s.line = 'Blue Line' AND t.entry_time::date = '2022-07-01' GROUP BY s.station_name;
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What was the total weight of cannabis sold in the state of Nevada in the year 2021?
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CREATE TABLE sales (id INT,state VARCHAR(50),year INT,weight INT); INSERT INTO sales (id,state,year,weight) VALUES (1,'Nevada',2021,50000);
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SELECT SUM(weight) FROM sales WHERE state = 'Nevada' AND year = 2021;
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What is the maximum housing affordability index in Berlin?
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CREATE TABLE housing_affordability (index FLOAT,city VARCHAR(20));
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SELECT MAX(index) FROM housing_affordability WHERE city = 'Berlin';
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What is the maximum production quantity (in metric tons) of Europium in 2021, grouped by mining company locations in Africa?
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CREATE TABLE mining_companies_2 (company_name TEXT,location TEXT); INSERT INTO mining_companies_2 (company_name,location) VALUES ('VWX Mining','South Africa'),('YZA Mining','Morocco'),('BCD Mining','Egypt'); CREATE TABLE europium_production (year INT,company_name TEXT,quantity INT); INSERT INTO europium_production (year,company_name,quantity) VALUES (2021,'VWX Mining',1200),(2021,'YZA Mining',800),(2021,'BCD Mining',1500);
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SELECT location, MAX(quantity) as max_quantity FROM europium_production JOIN mining_companies_2 ON europium_production.company_name = mining_companies_2.company_name WHERE year = 2021 AND location LIKE 'Africa%' GROUP BY location;
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How many teachers have participated in professional development programs in the last 3 years, broken down by subject area?
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CREATE TABLE teachers (teacher_id INT,teacher_name TEXT,subject_area TEXT,last_pd_program_date DATE); INSERT INTO teachers (teacher_id,teacher_name,subject_area,last_pd_program_date) VALUES (1,'John Doe','Math','2020-04-01'),(2,'Jane Smith','Science','2019-08-15'),(3,'Mary Johnson','English','2021-03-20');
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SELECT subject_area, COUNT(*) FROM teachers WHERE last_pd_program_date >= DATE_SUB(CURRENT_DATE, INTERVAL 3 YEAR) GROUP BY subject_area;
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Which regions have a higher industrial water usage compared to domestic water usage?
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CREATE TABLE water_usage (sector VARCHAR(20),region VARCHAR(20),usage INT); INSERT INTO water_usage (sector,region,usage) VALUES ('Agriculture','North',300),('Domestic','North',200),('Industrial','North',500),('Agriculture','South',400),('Domestic','South',250),('Industrial','South',600);
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SELECT region FROM water_usage WHERE industrial > domestic
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How many visitors identified as non-binary attended each exhibition?
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CREATE TABLE Exhibitions (exhibition_id INT,name VARCHAR(50),start_date DATE,end_date DATE); INSERT INTO Exhibitions (exhibition_id,name,start_date,end_date) VALUES (1,'Impressionist','2020-05-01','2021-01-01'),(2,'Cubism','2019-08-15','2020-03-30'); CREATE TABLE Visitors (visitor_id INT,exhibition_id INT,age INT,gender VARCHAR(50));
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SELECT exhibition_id, COUNT(*) FROM Visitors WHERE gender = 'non-binary' GROUP BY exhibition_id;
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Find excavation sites in France and Germany with more than 50 artifacts.
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CREATE TABLE excavation_sites (id INT,country VARCHAR(255),artifacts_count INT);
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SELECT country, COUNT(*) as artifacts_count FROM excavation_sites WHERE country IN ('France', 'Germany') GROUP BY country HAVING artifacts_count > 50;
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Update temperature records for sensor 003 on 2023-03-02 to 30°C
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CREATE TABLE TemperatureData (date DATE,temperature FLOAT,sensor_id INT,FOREIGN KEY (sensor_id) REFERENCES SensorData(sensor_id));
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UPDATE TemperatureData SET temperature = 30 WHERE sensor_id = 3 AND date = '2023-03-02';
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What is the average number of hours spent on mental health resources per student in each school?
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CREATE TABLE schools (school_id INT,school_name TEXT); INSERT INTO schools VALUES (1,'Lincoln High'),(2,'Washington Middle'),(3,'Jefferson Elementary'); CREATE TABLE student_mental_health (student_id INT,school_id INT,hours_spent INT); INSERT INTO student_mental_health VALUES (1,1,10),(2,1,8),(3,2,5),(4,2,7),(5,3,12),(6,3,15);
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SELECT s.school_name, AVG(smh.hours_spent) as avg_hours_spent FROM student_mental_health smh JOIN schools s ON smh.school_id = s.school_id GROUP BY smh.school_id;
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Delete all records with disability_type 'learning' from student_accommodations
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CREATE TABLE student_accommodations (student_id INT,disability_type VARCHAR(255),accommodation_year INT);
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DELETE FROM student_accommodations WHERE disability_type = 'learning';
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What are the names of traditional art forms from Japan with a description?
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CREATE TABLE ArtForms (id INT,name VARCHAR(255),origin VARCHAR(255),description TEXT); INSERT INTO ArtForms (id,name,origin,description) VALUES (1,'Kabuki','Japan','A classical Japanese dance-drama known for its elaborate make-up and costumes.');
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SELECT name FROM ArtForms WHERE origin = 'Japan' INTERSECT SELECT name FROM ArtForms WHERE description IS NOT NULL;
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Find the total number of shares for posts containing the hashtag "#sustainableliving" in the past week.
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CREATE TABLE posts (id INT,user VARCHAR(50),content TEXT,likes INT,shares INT,timestamp DATETIME);
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SELECT SUM(shares) FROM posts WHERE content LIKE '%#sustainableliving%' AND timestamp BETWEEN DATE_SUB(NOW(), INTERVAL 1 WEEK) AND NOW();
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List the names of vessels that have had an accident
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CREATE TABLE Vessels (Id INT,Name VARCHAR(50)); CREATE TABLE Accidents (VesselId INT); INSERT INTO Vessels (Id,Name) VALUES (1,'Vessel1'),(2,'Vessel2'),(3,'Vessel3'); INSERT INTO Accidents (VesselId) VALUES (1),(3);
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SELECT Vessels.Name FROM Vessels JOIN Accidents ON Vessels.Id = Accidents.VesselId;
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What is the average number of labor rights violations per workplace in Spain?
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CREATE TABLE violations (id INT,workplace TEXT,country TEXT,violation_count INT); INSERT INTO violations (id,workplace,country,violation_count) VALUES (1,'Workplace A','Spain',5),(2,'Workplace B','Spain',3),(3,'Workplace C','Spain',7);
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SELECT AVG(violation_count) as avg_violations_per_workplace FROM violations WHERE country = 'Spain';
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Insert new record '2022-06-01' for 'community_policing' table
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CREATE TABLE community_policing (id INT,date DATE,outreach_hours INT,PRIMARY KEY(id));
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INSERT INTO community_policing (id, date, outreach_hours) VALUES (4, '2022-06-01', 2);
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List the top 3 destinations with the highest sustainable tourism scores in Africa.
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CREATE TABLE IF NOT EXISTS destinations (id INT PRIMARY KEY,name TEXT,region TEXT,sustainability_score FLOAT); INSERT INTO destinations (id,name,region,sustainability_score) VALUES (1,'EcoPark','Africa',9.2),(2,'GreenVillage','Africa',8.8),(3,'SustainableCity','Asia',8.9);
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SELECT name, sustainability_score FROM destinations WHERE region = 'Africa' ORDER BY sustainability_score DESC LIMIT 3;
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How many auto shows took place in India in 2019?
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CREATE TABLE Auto_Shows (year INT,country VARCHAR(50),quantity INT); INSERT INTO Auto_Shows (year,country,quantity) VALUES (2019,'India',10);
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SELECT SUM(quantity) FROM Auto_Shows WHERE year = 2019 AND country = 'India';
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How many startups were founded in the Bay Area each year?
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CREATE TABLE company (id INT,name TEXT,founding_year INT,founding_location TEXT); INSERT INTO company (id,name,founding_year,founding_location) VALUES (1,'Acme Inc',2010,'San Francisco'); INSERT INTO company (id,name,founding_year,founding_location) VALUES (2,'Beta Corp',2015,'Mountain View');
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SELECT founding_location, COUNT(*) FROM company GROUP BY founding_year, founding_location HAVING founding_location = 'Bay Area';
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Rank the species in descending order based on total biomass in brackish water farms.
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CREATE TABLE brackish_farms (farm_id INT,species VARCHAR(20),biomass FLOAT); INSERT INTO brackish_farms (farm_id,species,biomass) VALUES (1,'Tilapia',1200.5),(2,'Barramundi',800.3),(3,'Catfish',1500.2);
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SELECT species, SUM(biomass) total_biomass, ROW_NUMBER() OVER (ORDER BY SUM(biomass) DESC) rank FROM brackish_farms GROUP BY species;
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How many marine species were observed in each ocean?
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CREATE TABLE marine_species (id INT,species_name VARCHAR(255),ocean VARCHAR(255),depth INT); INSERT INTO marine_species (id,species_name,ocean,depth) VALUES (1,'Mariana Snailfish','Pacific',8178); INSERT INTO marine_species (id,species_name,ocean,depth) VALUES (2,'Hadal Snailfish','Atlantic',7500); INSERT INTO marine_species (id,species_name,ocean,depth) VALUES (3,'Narwhal','Arctic',1500); INSERT INTO marine_species (id,species_name,ocean,depth) VALUES (4,'Beluga Whale','Arctic',500);
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SELECT ocean, COUNT(*) FROM marine_species GROUP BY ocean;
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Which libraries had the most and least visitors in the last month?
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CREATE TABLE Visitors (Library text,Visitors int,VisitDate date); INSERT INTO Visitors (Library,Visitors,VisitDate) VALUES ('LibraryA',100,'2022-04-01'),('LibraryB',150,'2022-04-02');
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SELECT Library, Visitors FROM (SELECT Library, Visitors, ROW_NUMBER() OVER (ORDER BY Visitors) as Rank FROM Visitors WHERE VisitDate >= DATEADD(month, -1, CURRENT_DATE)) as Subquery WHERE Rank IN (1, (SELECT COUNT(*) FROM Visitors WHERE VisitDate >= DATEADD(month, -1, CURRENT_DATE)) * 0.01);
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How many agricultural innovation projects are currently active in each region?
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CREATE TABLE innovation_projects (id INT,region VARCHAR(50),status VARCHAR(50)); INSERT INTO innovation_projects (id,region,status) VALUES (1,'Region A','Active');
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SELECT region, COUNT(*) FROM rural_development.innovation_projects WHERE status = 'Active' GROUP BY region;
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Which materials in the 'inventory' table have a quantity of at least 100 and are used in the production of at least one product in the 'products' table, but are not produced in 'China'?
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CREATE TABLE inventory(id INT,material VARCHAR(255),quantity INT); CREATE TABLE products(id INT,material VARCHAR(255),quantity INT); CREATE TABLE production(id INT,country VARCHAR(255),material VARCHAR(255),usage INT); INSERT INTO inventory(id,material,quantity) VALUES (1,'organic cotton',75),(2,'conventional cotton',100),(3,'organic cotton',30),(4,'hemp',60); INSERT INTO products(id,material,quantity) VALUES (1,'organic cotton',150),(2,'conventional cotton',200),(3,'hemp',100); INSERT INTO production(id,country,material,usage) VALUES (1,'China','recycled polyester',800),(2,'India','recycled polyester',600),(3,'Bangladesh','viscose',400),(4,'Vietnam','recycled polyester',700),(5,'India','hemp',500);
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SELECT i.material FROM inventory i INNER JOIN products p ON i.material = p.material WHERE i.quantity >= 100 AND NOT EXISTS (SELECT * FROM production WHERE production.material = i.material AND production.country = 'China');
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What is the market share of a different drug compared to its competitors in a different region?
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CREATE TABLE market_share (market_share_id INT,drug_id INT,region TEXT,market_share FLOAT); INSERT INTO market_share (market_share_id,drug_id,region,market_share) VALUES (1,1002,'Asia',0.30),(2,1003,'Asia',0.40),(3,1002,'Asia',0.50),(4,1001,'Asia',0.25),(5,1003,'Asia',0.35),(6,1001,'Asia',0.45);
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SELECT drug_id, region, AVG(market_share) as average_market_share FROM market_share WHERE drug_id = 1003 GROUP BY drug_id, region;
|
List all bridges with their respective inspection dates.
|
CREATE TABLE Bridges (id INT,name VARCHAR(50),inspection_date DATE); INSERT INTO Bridges (id,name,inspection_date) VALUES (1,'Golden Gate','2020-05-01'),(2,'Brooklyn','2019-12-20');
|
SELECT * FROM Bridges;
|
Which hotel chains have the most OTA bookings in 'CountryA'?
|
CREATE TABLE Hotels (hotel_id INT,hotel_name VARCHAR(50),chain_name VARCHAR(50),country VARCHAR(50)); CREATE TABLE Bookings (booking_id INT,hotel_id INT,booking_amt FLOAT,ota_source BOOLEAN); INSERT INTO Hotels (hotel_id,hotel_name,chain_name,country) VALUES (1,'Hotel1','ChainX','CountryA'),(2,'Hotel2','ChainX','CountryB'),(3,'Hotel3','ChainY','CountryA'); INSERT INTO Bookings (booking_id,hotel_id,booking_amt,ota_source) VALUES (1,1,500,TRUE),(2,2,400,FALSE),(3,1,300,TRUE),(4,3,250,TRUE);
|
SELECT h.chain_name, SUM(b.booking_amt) as total_ota_bookings FROM Hotels h JOIN Bookings b ON h.hotel_id = b.hotel_id WHERE h.country = 'CountryA' AND b.ota_source = TRUE GROUP BY h.chain_name;
|
List the teams that have conceded less than 10 goals in their last 5 games.
|
CREATE TABLE games (game_id INT,team VARCHAR(50),position VARCHAR(50),goals_conceded INT,game_date DATE);
|
SELECT team FROM (SELECT team, SUM(goals_conceded) AS goals_conceded FROM games WHERE game_date > DATE_SUB(CURRENT_DATE, INTERVAL 5 DAY) GROUP BY team) AS subquery WHERE goals_conceded < 10;
|
Delete all records from the 'Programs' table where the program name is 'Education'
|
CREATE TABLE Programs (id INT PRIMARY KEY,program_name VARCHAR(255),budget DECIMAL(10,2)); INSERT INTO Programs (id,program_name,budget) VALUES (1,'Education',10000.00),(2,'Health',15000.00);
|
DELETE FROM Programs WHERE program_name = 'Education';
|
List all artists who have more than 50 works in the NY museum.
|
CREATE TABLE Artists (id INT,name VARCHAR(50),museum VARCHAR(20)); INSERT INTO Artists (id,name,museum) VALUES (1,'Van Gogh','NY'),(2,'Monet','NY'),(3,'Picasso','LA'); CREATE TABLE Artworks (id INT,artist_id INT,title VARCHAR(50)); INSERT INTO Artworks (id,artist_id,title) VALUES (1,1,'Starry Night'),(2,2,'Water Lilies'),(3,1,'Sunflowers'); CREATE TABLE Museums (id INT,name VARCHAR(20),location VARCHAR(20)); INSERT INTO Museums (id,name,location) VALUES (1,'NY','NY'),(2,'LA','LA');
|
SELECT Artists.name FROM Artists JOIN Artworks ON Artists.id = Artworks.artist_id WHERE Museums.name = 'NY' GROUP BY Artists.name HAVING COUNT(Artworks.id) > 50;
|
What is the total revenue generated by dance performances in the past three years?
|
CREATE TABLE Events (event_name TEXT,year INT,revenue INT); INSERT INTO Events (event_name,year,revenue) VALUES ('Dance Performance',2019,8000),('Dance Festival',2020,9000),('Dance Recital',2021,11000);
|
SELECT SUM(revenue) FROM Events WHERE event_name LIKE '%Dance%' AND year IN (2019, 2020, 2021);
|
How many unique strains were produced by each grower in Washington in 2021?
|
CREATE TABLE Growers (id INT,name TEXT,state TEXT); CREATE TABLE Strains (growerid INT,name TEXT); INSERT INTO Growers (id,name,state) VALUES (1,'Grower A','Washington'); INSERT INTO Strains (growerid,name) VALUES (1,'Strain X'); INSERT INTO Strains (growerid,name) VALUES (1,'Strain Y');
|
SELECT g.name, COUNT(DISTINCT s.name) as unique_strains FROM Growers g JOIN Strains s ON g.id = s.growerid WHERE g.state = 'Washington' AND YEAR(s.name) = 2021 GROUP BY g.name;
|
Which clean energy policies were implemented in the year 2020?
|
CREATE TABLE clean_energy_policies (policy_id INT,policy_name VARCHAR(255),policy_description TEXT,implementation_year INT); INSERT INTO clean_energy_policies (policy_id,policy_name,policy_description,implementation_year) VALUES (1,'Renewable Portfolio Standard','Requires electricity providers to generate a certain percentage of their electricity from renewable sources',2020); INSERT INTO clean_energy_policies (policy_id,policy_name,policy_description,implementation_year) VALUES (2,'Energy Efficiency Resource Standard','Requires electricity providers to achieve a certain level of energy efficiency savings',2018);
|
SELECT policy_name, policy_description FROM clean_energy_policies WHERE implementation_year = 2020;
|
Delete all articles published before 2010 from the 'news_articles' table
|
CREATE TABLE news_articles (article_id INT PRIMARY KEY,title VARCHAR(255),content TEXT,publish_date DATE);
|
DELETE FROM news_articles WHERE publish_date < '2010-01-01';
|
What was the total revenue for a specific artist in the music streaming data?
|
CREATE TABLE Streaming (song VARCHAR(50),artist VARCHAR(50),streams INT,revenue FLOAT); INSERT INTO Streaming (song,artist,streams,revenue) VALUES ('Heat Waves','Glass Animals',500,5000.0),('Drivers License','Olivia Rodrigo',700,7000.0),('Good 4 U','Olivia Rodrigo',600,6000.0);
|
SELECT SUM(revenue) FROM Streaming WHERE artist = 'Olivia Rodrigo';
|
Insert new community engagement records for 'Festival of Colors' and 'Pow Wow'
|
CREATE TABLE CommunityEngagements (Id INT,Event TEXT,Year INT,Location TEXT);
|
INSERT INTO CommunityEngagements (Id, Event, Year, Location) VALUES (1, 'Festival of Colors', 2022, 'India'), (2, 'Pow Wow', 2022, 'USA');
|
List the names of clients who have a total billing amount less than $30,000
|
CREATE TABLE clients (id INT,name VARCHAR(50),total_billing_amount DECIMAL(10,2)); INSERT INTO clients (id,name,total_billing_amount) VALUES (1,'Davi Silva',25000.00),(2,'Alexei Ivanov',45000.00),(3,'Aaliyah Patel',15000.00);
|
SELECT name FROM clients WHERE total_billing_amount < 30000.00;
|
What is the total value of military equipment sold to the Chinese government by Lockheed Martin from 2017 to 2020?
|
CREATE TABLE sales(id INT,equipment_name VARCHAR(50),sale_date DATE,country VARCHAR(50),government_agency VARCHAR(50),sale_value INT); CREATE TABLE manufacturer(id INT,name VARCHAR(50)); INSERT INTO sales VALUES (1,'Fighter Jet','2017-01-01','China','Ministry of Defense',50000000); INSERT INTO manufacturer VALUES (1,'Lockheed Martin');
|
SELECT SUM(sales.sale_value) FROM sales INNER JOIN manufacturer ON sales.id = manufacturer.id WHERE sales.country = 'China' AND sales.government_agency = 'Ministry of Defense' AND YEAR(sale_date) BETWEEN 2017 AND 2020 AND manufacturer.name = 'Lockheed Martin';
|
Which military innovation projects were completed before 2015?
|
CREATE TABLE military_innovation (project_id INT,country_id INT,completion_year INT,FOREIGN KEY (country_id) REFERENCES country(id));
|
SELECT project_id, country_id, completion_year FROM military_innovation WHERE completion_year < 2015;
|
What is the maximum retail price of eco-friendly winter coats sold in the United Kingdom?
|
CREATE TABLE garment_sales (id INT,garment_type VARCHAR(50),sustainability_rating INT,country VARCHAR(50),price DECIMAL(5,2)); INSERT INTO garment_sales (id,garment_type,sustainability_rating,country,price) VALUES (1,'winter coat',5,'UK',350.99),(2,'winter coat',3,'UK',299.99);
|
SELECT MAX(price) FROM garment_sales WHERE garment_type = 'winter coat' AND country = 'UK' AND sustainability_rating >= 3;
|
What is the maximum donation amount in the 'donors' table?
|
CREATE TABLE donors (id INT,name TEXT,age INT,donation FLOAT); INSERT INTO donors (id,name,age,donation) VALUES (1,'John Doe',35,500.00); INSERT INTO donors (id,name,age,donation) VALUES (2,'Jane Smith',45,750.00); INSERT INTO donors (id,name,age,donation) VALUES (3,'Bob Johnson',25,600.00);
|
SELECT MAX(donation) FROM donors;
|
What are the average construction costs for buildings in Australia, Japan, and the United States?
|
CREATE TABLE construction_costs (id INT,country VARCHAR(255),building_type VARCHAR(255),avg_construction_cost FLOAT); INSERT INTO construction_costs (id,country,building_type,avg_construction_cost) VALUES (1,'Australia','Residential',250000),(2,'Australia','Commercial',500000),(3,'Japan','Residential',300000),(4,'Japan','Commercial',700000),(5,'United States','Residential',400000),(6,'United States','Commercial',800000);
|
SELECT country, AVG(avg_construction_cost) FROM construction_costs WHERE country IN ('Australia', 'Japan', 'United States') GROUP BY country;
|
Which artists have the highest number of streams on Spotify, by genre?
|
CREATE TABLE artists (artist_id INT,artist VARCHAR(100),genre VARCHAR(50)); CREATE VIEW streams_view AS SELECT artist_id,SUM(streams) AS total_streams FROM stream_data GROUP BY artist_id;
|
SELECT g.genre, a.artist, s.total_streams FROM artists a JOIN genres g ON a.genre = g.genre JOIN streams_view s ON a.artist_id = s.artist_id ORDER BY total_streams DESC;
|
How many renewable energy farms (wind and solar) are there in total in the 'West' region?
|
CREATE TABLE wind_farms (id INT,name VARCHAR(50),region VARCHAR(50),capacity FLOAT,efficiency FLOAT); INSERT INTO wind_farms (id,name,region,capacity,efficiency) VALUES (1,'Windfarm C','West',160.3,0.31); CREATE TABLE solar_farms (id INT,name VARCHAR(50),region VARCHAR(50),capacity FLOAT,efficiency FLOAT); INSERT INTO solar_farms (id,name,region,capacity,efficiency) VALUES (1,'Solarfarm C','West',220.1,0.34);
|
SELECT COUNT(*) AS total_farms FROM wind_farms WHERE region = 'West' UNION SELECT COUNT(*) AS total_farms FROM solar_farms WHERE region = 'West';
|
Delete genetic data with no related bioprocess engineering data.
|
CREATE TABLE genetic_data (id INT,sample_id VARCHAR(20),gene_sequence TEXT); CREATE TABLE bioprocess_data (id INT,sample_id VARCHAR(20),pressure FLOAT); INSERT INTO genetic_data (id,sample_id,gene_sequence) VALUES (1,'GD001','ATGCGA...'),(2,'GD002','ATGCGC...'); INSERT INTO bioprocess_data (id,sample_id,pressure) VALUES (1,'GD001',1.5);
|
DELETE gd FROM genetic_data gd LEFT JOIN bioprocess_data bd ON gd.sample_id = bd.sample_id WHERE bd.sample_id IS NULL;
|
What is the average energy_efficiency of the solar_panels installed in the US, ordered by the id in descending order?
|
CREATE TABLE solar_panels (id INT,country VARCHAR(50),energy_efficiency FLOAT);
|
SELECT AVG(energy_efficiency) AS avg_efficiency FROM solar_panels WHERE country = 'US' GROUP BY country ORDER BY id DESC;
|
Find the number of concerts that took place in each month of the year 2020.
|
CREATE TABLE concerts (concert_id INT,concert_date DATE); INSERT INTO concerts (concert_id,concert_date) VALUES (1,'2020-01-01'); INSERT INTO concerts (concert_id,concert_date) VALUES (2,'2020-02-01'); INSERT INTO concerts (concert_id,concert_date) VALUES (3,'2020-03-01');
|
SELECT DATEPART(MONTH, concert_date) as month, COUNT(*) as concerts_per_month FROM concerts WHERE YEAR(concert_date) = 2020 GROUP BY DATEPART(MONTH, concert_date);
|
Which agencies have experienced the highest budget increase between 2019 and 2020?
|
CREATE TABLE AgencyYearBudget (AgencyId INT,Year INT,Budget INT,PRIMARY KEY (AgencyId,Year)); INSERT INTO AgencyYearBudget (AgencyId,Year,Budget) VALUES (1,2019,5000000); INSERT INTO AgencyYearBudget (AgencyId,Year,Budget) VALUES (1,2020,5600000); INSERT INTO AgencyYearBudget (AgencyId,Year,Budget) VALUES (2,2019,4000000); INSERT INTO AgencyYearBudget (AgencyId,Year,Budget) VALUES (2,2020,4600000);
|
SELECT AgencyId, MAX(BudgetChange) as HighestBudgetIncrease FROM (SELECT AgencyId, Year, (Budget - LAG(Budget, 1) OVER (PARTITION BY AgencyId ORDER BY Year)) as BudgetChange FROM AgencyYearBudget WHERE Year IN (2019, 2020)) AS BudgetChanges GROUP BY AgencyId;
|
How many IoT sensors were installed in each country in the past quarter?
|
CREATE TABLE country (id INTEGER,name TEXT);CREATE TABLE region (id INTEGER,country_id INTEGER,name TEXT);CREATE TABLE iot_sensor (id INTEGER,region_id INTEGER,installed_date DATE);
|
SELECT co.name as country, r.name as region, COUNT(s.id) as num_sensors FROM country co INNER JOIN region r ON co.id = r.country_id INNER JOIN iot_sensor s ON r.id = s.region_id WHERE s.installed_date >= DATEADD(quarter, -1, CURRENT_DATE) GROUP BY co.name, r.name;
|
How many public libraries were there in 2017 and 2018?
|
CREATE TABLE Library(Year INT,Number INT); INSERT INTO Library VALUES (2016,10),(2017,12),(2018,14);
|
SELECT SUM(Number) FROM Library WHERE Year IN (2017, 2018);
|
What is the total number of posts with the word 'friends' in the text?
|
CREATE TABLE posts (id INT,user_id INT,post_text VARCHAR(255)); INSERT INTO posts (id,user_id,post_text) VALUES (1,1,'I love my friends'),(2,2,'I met new people'),(3,3,'My best friend is awesome'),(4,4,'Nice to meet you');
|
SELECT COUNT(*) FROM posts WHERE post_text LIKE '%friends%';
|
List the total number of mental health conditions treated with medication in each state.
|
CREATE TABLE condition_treatment (patient_id INT,condition VARCHAR(50),treatment VARCHAR(50)); INSERT INTO condition_treatment (patient_id,condition,treatment) VALUES (1,'Anxiety','Medication'),(2,'Depression','Medication'),(3,'PTSD','Therapy'),(4,'Anxiety','Therapy'),(5,'Bipolar Disorder','Medication'); CREATE TABLE patient_state (patient_id INT,state VARCHAR(50)); INSERT INTO patient_state (patient_id,state) VALUES (1,'Texas'),(2,'Texas'),(3,'California'),(4,'Arizona'),(5,'Florida');
|
SELECT state, COUNT(DISTINCT patient_id) FROM condition_treatment JOIN patient_state ON condition_treatment.patient_id = patient_state.patient_id WHERE treatment = 'Medication' GROUP BY state;
|
Add data to 'habitat_preservation' table
|
CREATE TABLE habitat_preservation (id INT,project_name VARCHAR(50),location VARCHAR(50),size_acres DECIMAL(10,2),budget_USD DECIMAL(10,2),start_date DATE,end_date DATE);
|
INSERT INTO habitat_preservation (id, project_name, location, size_acres, budget_USD, start_date, end_date) VALUES (1, 'Wildlife Corridor', 'Borneo', 500.00, 250000.00, '2025-01-01', '2027-12-31');
|
What is the total waste generation by material type in the city of Seattle in 2021?'
|
CREATE TABLE waste_generation (city VARCHAR(20),material VARCHAR(20),year INT,quantity FLOAT); INSERT INTO waste_generation (city,material,year,quantity) VALUES ('Seattle','Plastic',2021,1500.5); INSERT INTO waste_generation (city,material,year,quantity) VALUES ('Seattle','Paper',2021,2000.3); INSERT INTO waste_generation (city,material,year,quantity) VALUES ('Seattle','Glass',2021,1750.2);
|
SELECT wg.material, SUM(wg.quantity) as total_quantity FROM waste_generation wg WHERE wg.city = 'Seattle' AND wg.year = 2021 GROUP BY wg.material;
|
How many total grants has the local theater received from government sources in the last year?
|
CREATE TABLE TheaterGrants (grantID INT,grantDate DATE,grantAmount DECIMAL(10,2),grantSource VARCHAR(20)); INSERT INTO TheaterGrants (grantID,grantDate,grantAmount,grantSource) VALUES (10,'2022-01-10',5000.00,'Government'),(11,'2022-02-12',7000.00,'Private'),(12,'2022-03-20',6000.00,'Government');
|
SELECT SUM(grantAmount) FROM TheaterGrants WHERE grantSource = 'Government' AND grantDate >= '2022-01-01' AND grantDate <= '2022-12-31';
|
How many sustainable construction projects were completed in Texas in 2019?
|
CREATE TABLE project_data (project_number INT,state VARCHAR(20),year INT,is_sustainable BOOLEAN); INSERT INTO project_data (project_number,state,year,is_sustainable) VALUES (1,'Texas',2019,TRUE); INSERT INTO project_data (project_number,state,year,is_sustainable) VALUES (2,'Texas',2018,FALSE);
|
SELECT COUNT(*) FROM project_data WHERE state = 'Texas' AND is_sustainable = TRUE AND year = 2019;
|
Insert new records for a public park named 'ParkF' with a 'Size' value of 50 and 'Location' value of 'North', in the 'CityData' schema's 'CityParks' table.
|
CREATE SCHEMA CityData; CREATE TABLE CityParks (Name varchar(255),Size int,Location varchar(255));
|
INSERT INTO CityData.CityParks (Name, Size, Location) VALUES ('ParkF', 50, 'North');
|
What is the average price of eco-friendly tours in each city?
|
CREATE TABLE eco_tour (id INT,name VARCHAR(255),type VARCHAR(255),city VARCHAR(255),price INT,is_eco_friendly BOOLEAN); INSERT INTO eco_tour (id,name,type,city,price,is_eco_friendly) VALUES (1,'Bike City Tour','Tour','Berlin',50,true);
|
SELECT city, AVG(price) FROM eco_tour WHERE is_eco_friendly = true GROUP BY city;
|
What is the total production quantity for indica strains in California?
|
CREATE TABLE production (strain_type VARCHAR(10),production_quantity INT,state VARCHAR(20)); INSERT INTO production (strain_type,production_quantity,state) VALUES ('indica',1200,'California'); INSERT INTO production (strain_type,production_quantity,state) VALUES ('sativa',800,'California');
|
SELECT SUM(production_quantity) FROM production WHERE strain_type = 'indica' AND state = 'California';
|
Who is the top performing fund manager in the 'ESG' category?
|
CREATE TABLE fund_managers (id INT,name VARCHAR(50),category VARCHAR(20),performance FLOAT); INSERT INTO fund_managers (id,name,category,performance) VALUES (1,'John Smith','ESG',92.5),(2,'Jane Doe','traditional',88.0),(3,'Mary Major','ESG',90.3),(4,'Mike Minor','traditional',85.2);
|
SELECT name FROM fund_managers WHERE category = 'ESG' ORDER BY performance DESC LIMIT 1;
|
Calculate the difference between the waste generation figures of urban and rural areas.
|
CREATE TABLE WasteGeneration (id INT,area VARCHAR(10),amount INT); INSERT INTO WasteGeneration (id,area,amount) VALUES (1,'urban',3500),(2,'rural',2000);
|
SELECT (SELECT SUM(amount) FROM WasteGeneration WHERE area = 'urban') - (SELECT SUM(amount) FROM WasteGeneration WHERE area = 'rural');
|
List all community education programs and their respective budgets
|
CREATE TABLE education_programs (id INT,program_name VARCHAR(255),budget INT); INSERT INTO education_programs (id,program_name,budget) VALUES (1,'Wildlife Awareness',15000),(2,'Conservation Workshops',20000),(3,'Nature Camps',10000);
|
SELECT program_name, budget FROM education_programs;
|
What is the total CO2 emissions for garments made of wool?
|
CREATE TABLE inventory (id INT,garment_id INT,material VARCHAR(50),CO2_emissions INT); INSERT INTO inventory (id,garment_id,material,CO2_emissions) VALUES (1,1011,'wool',12);
|
SELECT SUM(CO2_emissions) FROM inventory WHERE material = 'wool';
|
What is the minimum age of 'retail' union members who are female?
|
CREATE TABLE retail_union_members (member_id INT,union VARCHAR(20),gender VARCHAR(10),age INT); INSERT INTO retail_union_members (member_id,union,gender,age) VALUES (1,'Retail','Female',25); INSERT INTO retail_union_members (member_id,union,gender,age) VALUES (2,'Retail','Male',30);
|
SELECT MIN(age) FROM retail_union_members WHERE gender = 'Female';
|
What is the total number of marine species in the Arctic and Antarctic Oceans?
|
CREATE TABLE marine_species_by_ocean (species_name VARCHAR(50),ocean_name VARCHAR(50)); INSERT INTO marine_species_by_ocean (species_name,ocean_name) VALUES ('Polar Bear','Arctic'),('Krill','Antarctic'),('Walrus','Arctic');
|
SELECT COUNT(DISTINCT species_name) FROM marine_species_by_ocean WHERE ocean_name IN ('Arctic', 'Antarctic');
|
Who were the top 3 donors in 2020 and what was their total donation amount?
|
CREATE TABLE Donors (id INT,donor VARCHAR(50),city VARCHAR(50),amount FLOAT,donation_date DATE); INSERT INTO Donors (id,donor,city,amount,donation_date) VALUES (1,'John Doe','New York',500,'2020-01-01'); INSERT INTO Donors (id,donor,city,amount,donation_date) VALUES (2,'Jane Smith','Los Angeles',300,'2020-02-01');
|
SELECT donor, SUM(amount) as total_donation FROM Donors WHERE YEAR(donation_date) = 2020 GROUP BY donor ORDER BY total_donation DESC LIMIT 3;
|
How many pollution incidents were reported in the Atlantic Ocean in 2021?
|
CREATE TABLE pollution_reports (id INT,location TEXT,date DATE,type TEXT); INSERT INTO pollution_reports (id,location,date,type) VALUES (1,'Bermuda Triangle','2021-06-01','Oil Spill'),(2,'North Atlantic Garbage Patch','2021-07-15','Plastic Waste');
|
SELECT COUNT(*) FROM pollution_reports WHERE location LIKE '%Atlantic%' AND date BETWEEN '2021-01-01' AND '2021-12-31';
|
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