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Which sustainable material has the highest average price?
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CREATE TABLE material_prices (id INT,material VARCHAR(50),price DECIMAL(10,2)); INSERT INTO material_prices (id,material,price) VALUES (1,'organic silk',35.00),(2,'organic linen',18.50);
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SELECT material, AVG(price) as avg_price FROM material_prices GROUP BY material ORDER BY avg_price DESC LIMIT 1;
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Compare the number of language preservation programs in North America and Europe.
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CREATE TABLE language_preservation (id INT,country VARCHAR(50),program VARCHAR(50),region VARCHAR(50)); INSERT INTO language_preservation (id,country,program,region) VALUES (1,'USA','Native American Language Program','North America'),(2,'France','French Language Program','Europe');
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SELECT COUNT(*) FROM language_preservation WHERE region = 'North America' INTERSECT SELECT COUNT(*) FROM language_preservation WHERE region = 'Europe';
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What is the total installed solar PV capacity (MW) in Germany as of 2022?
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CREATE TABLE solar_pv (id INT,country TEXT,year INT,capacity_mw FLOAT); INSERT INTO solar_pv (id,country,year,capacity_mw) VALUES (1,'Japan',2020,60.5),(2,'Japan',2021,65.6),(3,'Germany',2022,70.7);
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SELECT SUM(capacity_mw) FROM solar_pv WHERE country = 'Germany' AND year = 2022;
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What is the total funding raised for companies with a female founder?
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CREATE TABLE companies (id INT,name VARCHAR(50),industry VARCHAR(50),founding_year INT,founder_gender VARCHAR(10)); INSERT INTO companies (id,name,industry,founding_year,founder_gender) VALUES (1,'Delta Inc','Retail',2016,'Female'),(2,'Echo Corp','Tech',2017,'Male'),(3,'Foxtrot LLC','Retail',2018,'Female'),(4,'Gamma Inc','Healthcare',2015,'Male'); CREATE TABLE funding_rounds (company_id INT,round_amount DECIMAL(10,2),round_type VARCHAR(20),year INT); INSERT INTO funding_rounds (company_id,round_amount,round_type,year) VALUES (1,2000000,'Seed',2016),(2,5000000,'Series A',2017),(3,3000000,'Seed',2018),(4,6000000,'Series B',2019);
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SELECT SUM(f.round_amount) FROM companies c JOIN funding_rounds f ON c.id = f.company_id WHERE c.founder_gender = 'Female';
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Delete players from the US who haven't made any purchases in the last year?
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CREATE TABLE players (id INT,name VARCHAR(100),country VARCHAR(100)); CREATE TABLE purchases (id INT,player_id INT,purchase_date DATE); INSERT INTO players (id,name,country) VALUES (1,'John Doe','USA'),(2,'Jane Smith','USA'),(3,'Alex Brown','Canada'); INSERT INTO purchases (id,player_id,purchase_date) VALUES (1,1,'2022-01-01'),(2,2,'2022-02-01'),(3,1,'2021-01-01');
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DELETE FROM players WHERE id IN (SELECT p.id FROM players p JOIN purchases pu ON p.id = pu.player_id WHERE p.country = 'USA' AND pu.purchase_date < (CURRENT_DATE - INTERVAL '1 year'));
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What is the maximum salary of editors in the "staff" table?
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CREATE TABLE staff (id INT,name VARCHAR(50),position VARCHAR(50),salary INT); INSERT INTO staff (id,name,position,salary) VALUES (1,'Jane Smith','Editor',70000),(2,'Mike Johnson','Reporter',50000);
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SELECT MAX(salary) FROM staff WHERE position = 'Editor';
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Which country sources the most organic ingredients for cosmetic products?
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CREATE TABLE Ingredient_Sourcing (SupplierID INT,ProductID INT,Organic BOOLEAN,Country VARCHAR(50)); INSERT INTO Ingredient_Sourcing (SupplierID,ProductID,Organic,Country) VALUES (1001,101,TRUE,'Brazil'),(1002,102,FALSE,'Brazil'),(1003,101,TRUE,'Argentina'),(1004,103,FALSE,'Argentina'),(1005,102,TRUE,'Chile');
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SELECT Country, SUM(Organic) as TotalOrganic FROM Ingredient_Sourcing GROUP BY Country ORDER BY TotalOrganic DESC;
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Delete all cargos from the 'cargos' table that are over 10 years old.
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CREATE TABLE cargos (id INT PRIMARY KEY,name VARCHAR(50),date_received DATE);
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DELETE FROM cargos WHERE date_received < DATE_SUB(CURDATE(), INTERVAL 10 YEAR);
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Find the unique property co-owners in Los Angeles with a lease expiration date in the next 3 months.
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CREATE TABLE la_prop(id INT,owner1 VARCHAR(20),owner2 VARCHAR(20),lease_exp DATE); INSERT INTO la_prop VALUES (1,'Ivy','Jack','2023-03-01'),(2,'Karen','Luke','2023-01-15');
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SELECT DISTINCT owner1, owner2 FROM la_prop WHERE (owner1 <> owner2) AND (lease_exp BETWEEN CURDATE() AND DATE_ADD(CURDATE(), INTERVAL 3 MONTH));
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List all safety incidents recorded in the last 30 days
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CREATE TABLE SafetyIncidents(IncidentID INT,VesselID INT,IncidentType TEXT,IncidentDate DATETIME); INSERT INTO SafetyIncidents(IncidentID,VesselID,IncidentType,IncidentDate) VALUES (1,1,'Collision','2022-03-05 11:00:00'),(2,2,'Grounding','2022-03-15 09:00:00'),(3,3,'Mechanical Failure','2022-03-30 16:30:00');
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SELECT * FROM SafetyIncidents WHERE IncidentDate BETWEEN DATE_SUB(CURRENT_DATE, INTERVAL 30 DAY) AND CURRENT_DATE;
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Retrieve the most recent geopolitical risk rating for India.
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CREATE TABLE GeopoliticalRiskAssessments (AssessmentID INT,Country VARCHAR(50),RiskRating VARCHAR(10),AssessmentDate DATE); INSERT INTO GeopoliticalRiskAssessments (AssessmentID,Country,RiskRating,AssessmentDate) VALUES (1,'Iran','High','2021-06-01'),(2,'India','Medium','2022-08-12');
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SELECT Country, RiskRating FROM GeopoliticalRiskAssessments WHERE AssessmentDate = (SELECT MAX(AssessmentDate) FROM GeopoliticalRiskAssessments WHERE Country = 'India');
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What is the name and model of military aircrafts manufactured in the USA?
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CREATE TABLE MilitaryAircrafts(id INT PRIMARY KEY,name VARCHAR(50),model VARCHAR(50),country VARCHAR(50));INSERT INTO MilitaryAircrafts(id,name,model,country) VALUES (1,'F-15 Eagle','F-15EX','USA');
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SELECT name, model FROM MilitaryAircrafts WHERE country = 'USA';
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What is the earliest pollution control initiative date for each site?
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CREATE TABLE pollution_initiatives (initiative_id INT,site_id INT,initiative_date DATE,initiative_description TEXT); INSERT INTO pollution_initiatives (initiative_id,site_id,initiative_date,initiative_description) VALUES (1,1,'2022-08-01','Installed new filters'),(2,3,'2022-07-15','Regular cleaning schedule established');
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SELECT site_id, MIN(initiative_date) FROM pollution_initiatives GROUP BY site_id;
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What is the maximum response time for emergency calls in each district?
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CREATE TABLE Districts (DistrictID INT,Name VARCHAR(50)); CREATE TABLE EmergencyCalls (CallID INT,DistrictID INT,ResponseTime FLOAT);
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SELECT D.Name, MAX(E.ResponseTime) as MaxResponseTime FROM Districts D INNER JOIN EmergencyCalls E ON D.DistrictID = E.DistrictID GROUP BY D.Name;
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Insert new records into the 'ethical_manufacturing' table with the following data: (1, 'Fair Trade Certified', '2021-01-01')
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CREATE TABLE ethical_manufacturing (id INT PRIMARY KEY,certification VARCHAR(100),certification_date DATE);
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INSERT INTO ethical_manufacturing (id, certification, certification_date) VALUES (1, 'Fair Trade Certified', '2021-01-01');
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How many students have enrolled in the open pedagogy program in the past 6 months?
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CREATE TABLE enrollments (id INT,enrollment_date DATE,student_id INT,program VARCHAR(50)); INSERT INTO enrollments (id,enrollment_date,student_id,program) VALUES (1,'2021-07-01',1001,'Open Pedagogy'),(2,'2021-08-15',1002,'Open Pedagogy'),(3,'2022-01-10',1003,'Traditional Program'),(4,'2022-02-01',1004,'Open Pedagogy');
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SELECT COUNT(DISTINCT student_id) as num_enrolled FROM enrollments WHERE program = 'Open Pedagogy' AND enrollment_date >= DATEADD(month, -6, GETDATE());
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Update email of players from 'US' to '[email protected]'
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player (player_id,name,email,age,gender,country,total_games_played)
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UPDATE player SET email = '[email protected]' WHERE country = 'US'
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Determine the most common aircraft type involved in accidents and its count.
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CREATE TABLE Accidents (AccidentID INT,Date DATE,Location VARCHAR(50),AircraftType VARCHAR(50),Description TEXT,Fatalities INT); INSERT INTO Accidents (AccidentID,Date,Location,AircraftType,Description,Fatalities) VALUES (7,'2018-05-05','Moscow','Boeing 737','Electrical issues',1),(8,'2020-06-06','Tokyo','Boeing 737','Pressurization problems',0);
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SELECT AircraftType, COUNT(*) AS Count FROM Accidents GROUP BY AircraftType ORDER BY COUNT(*) DESC FETCH FIRST 1 ROW ONLY;
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Identify the legal aid organization with the most cases in California
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CREATE TABLE legal_aid_organizations (org_id INT,name VARCHAR(50),cases_handled INT,state VARCHAR(2)); INSERT INTO legal_aid_organizations (org_id,name,cases_handled,state) VALUES (1,'California Legal Aid',200,'CA'),(2,'New York Legal Aid',300,'NY'),(3,'Texas Legal Aid',150,'TX'),(4,'Florida Legal Aid',250,'FL'),(5,'Los Angeles Legal Aid',400,'CA');
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SELECT name, MAX(cases_handled) FROM legal_aid_organizations WHERE state = 'CA';
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Find the dish with the highest price in the 'Pizza' category
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CREATE TABLE menu (dish_name TEXT,category TEXT,price DECIMAL); INSERT INTO menu VALUES ('Margherita Pizza','Pizza',9.99),('Pepperoni Pizza','Pizza',10.99),('Vegetarian Pizza','Pizza',11.99);
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SELECT dish_name, MAX(price) FROM menu WHERE category = 'Pizza' GROUP BY category;
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Which size has the most customers in the 'South America' region?
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CREATE TABLE Customers (CustomerID INT,Size VARCHAR(10),Country VARCHAR(255)); INSERT INTO Customers (CustomerID,Size,Country) VALUES (1,'XS','Brazil'),(2,'S','Argentina'),(3,'M','Chile'),(4,'L','Peru'),(5,'XL','Colombia'),(6,'XS','Argentina'),(7,'L','Brazil');
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SELECT Size, COUNT(*) AS Count FROM Customers WHERE Country = 'South America' GROUP BY Size ORDER BY Count DESC LIMIT 1;
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What is the total claim amount per risk assessment category?
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CREATE TABLE claims (id INT,policyholder_id INT,amount DECIMAL(10,2),risk_category VARCHAR(25));
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SELECT risk_category, SUM(amount) as total_claim_amount FROM claims GROUP BY risk_category;
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List the suppliers and their respective total revenue for vegan products in Germany.
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CREATE TABLE suppliers (supp_id INT,name VARCHAR(50),country VARCHAR(50)); INSERT INTO suppliers VALUES (1,'Green Earth','Germany'); INSERT INTO suppliers VALUES (2,'EcoVita','Germany'); CREATE TABLE products (product_id INT,name VARCHAR(50),type VARCHAR(20),price DECIMAL(5,2)); INSERT INTO products VALUES (1,'Tofu Steaks','vegan',6.99); INSERT INTO products VALUES (2,'Almond Milk','vegan',3.49);
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SELECT s.name, SUM(p.price) FROM suppliers s JOIN products p ON s.name = p.name WHERE s.country = 'Germany' AND p.type = 'vegan' GROUP BY s.name;
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What is the maximum pressure recorded per device per hour?
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create table PressureData (Device varchar(255),Pressure int,Timestamp datetime); insert into PressureData values ('Device1',50,'2022-01-01 01:00:00'),('Device2',70,'2022-01-01 02:00:00'),('Device1',60,'2022-01-01 03:00:00');
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select Device, DATE_PART('hour', Timestamp) as Hour, MAX(Pressure) as MaxPressure from PressureData group by Device, Hour;
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What is the maximum quantity of products sold by small businesses, pivoted by day?
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CREATE TABLE sales (sale_id INT,product_id INT,quantity INT,sale_date DATE,is_small_business BOOLEAN); INSERT INTO sales (sale_id,product_id,quantity,sale_date,is_small_business) VALUES (1,1,5,'2021-01-01',true); CREATE TABLE products (product_id INT,product_name VARCHAR(255)); INSERT INTO products (product_id,product_name) VALUES (1,'Handmade Jewelry');
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SELECT EXTRACT(DAY FROM sale_date) AS day, is_small_business, MAX(quantity) AS max_quantity FROM sales JOIN products ON sales.product_id = products.product_id WHERE is_small_business = true GROUP BY day, is_small_business;
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Which players from the United States and Canada have not participated in any esports events?
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CREATE TABLE Players (PlayerID INT,PlayerName VARCHAR(50),Country VARCHAR(50)); INSERT INTO Players (PlayerID,PlayerName,Country) VALUES (1,'John Doe','USA'),(2,'Jane Smith','Canada'); CREATE TABLE EsportsEvents (EventID INT,PlayerID INT,EventName VARCHAR(50)); INSERT INTO EsportsEvents (EventID,PlayerID,EventName) VALUES (1,3,'GameX Championship'),(2,4,'Battle Royale Cup');
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(SELECT Players.PlayerName FROM Players WHERE Players.Country IN ('USA', 'Canada') EXCEPT SELECT EsportsEvents.PlayerName FROM EsportsEvents)
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What is the distribution of AI safety incidents by type in the last 3 years?
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CREATE TABLE time_series_data (incident_id INT,incident_type VARCHAR(50),incident_year INT); INSERT INTO time_series_data (incident_id,incident_type,incident_year) VALUES (1,'Data Privacy',2021),(2,'Model Malfunction',2020),(3,'Data Privacy',2021);
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SELECT incident_type, COUNT(*) as num_incidents, incident_year FROM time_series_data WHERE incident_year >= 2019 GROUP BY incident_type, incident_year;
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What was the minimum ocean acidification level by year?
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CREATE TABLE yearly_acidification (year INT,level FLOAT); INSERT INTO yearly_acidification (year,level) VALUES (2015,7.6),(2016,7.7),(2017,7.8),(2018,7.8),(2019,7.7),(2020,7.6);
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SELECT year, MIN(level) FROM yearly_acidification;
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What is the total biosensor technology development cost for projects in the UK?
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CREATE TABLE projects (id INT,name VARCHAR(50),country VARCHAR(50),techniques VARCHAR(50),costs FLOAT); INSERT INTO projects (id,name,country,techniques,costs) VALUES (1,'ProjectX','UK','Biosensor technology,bioinformatics',20000); INSERT INTO projects (id,name,country,techniques,costs) VALUES (2,'ProjectY','UK','PCR,bioinformatics',15000); INSERT INTO projects (id,name,country,techniques,costs) VALUES (3,'ProjectZ','UK','Biosensor technology,DNA sequencing',25000);
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SELECT SUM(costs) FROM projects WHERE country = 'UK' AND techniques LIKE '%Biosensor technology%';
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What is the average number of employees per mining operation in Australia, partitioned by state?
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CREATE TABLE mining_operations (id INT,name TEXT,location TEXT,num_employees INT); INSERT INTO mining_operations (id,name,location,num_employees) VALUES (1,'Operation X','Australia-NSW',250),(2,'Operation Y','Australia-QLD',300),(3,'Operation Z','Australia-NSW',200);
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SELECT location, AVG(num_employees) FROM mining_operations WHERE location LIKE 'Australia-%' GROUP BY location;
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What is the win rate for each player in the 'matches' table?
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CREATE TABLE matches (id INT,player_id INT,opponent_id INT,winner_id INT); INSERT INTO matches VALUES (1,1,2,1); INSERT INTO matches VALUES (2,2,1,2); INSERT INTO matches VALUES (3,1,3,1); INSERT INTO matches VALUES (4,3,1,3);
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SELECT player_id, COUNT(*) * 100.0 / SUM(CASE WHEN player_id IN (player_id, opponent_id) THEN 1 ELSE 0 END) as win_rate FROM matches GROUP BY player_id;
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What is the number of members in unions advocating for labor rights in Texas?
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CREATE TABLE union_advocacy_tx (id INT,union_name TEXT,state TEXT,involved_in_advocacy BOOLEAN,members INT); INSERT INTO union_advocacy_tx (id,union_name,state,involved_in_advocacy,members) VALUES (1,'Union A','Texas',true,500),(2,'Union B','Texas',true,600),(3,'Union C','Texas',false,400);
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SELECT SUM(members) FROM union_advocacy_tx WHERE state = 'Texas' AND involved_in_advocacy = true;
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Display the total revenue for the "jazz" genre from all platforms, excluding any platforms that have a revenue lower than $5,000 for that genre.
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CREATE TABLE platformD (genre TEXT,revenue INT); CREATE TABLE platformE (genre TEXT,revenue INT); CREATE TABLE platformF (genre TEXT,revenue INT);
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SELECT genre, SUM(revenue) FROM (SELECT genre, revenue FROM platformD WHERE genre = 'jazz' AND revenue >= 5000 UNION ALL SELECT genre, revenue FROM platformE WHERE genre = 'jazz' AND revenue >= 5000 UNION ALL SELECT genre, revenue FROM platformF WHERE genre = 'jazz' AND revenue >= 5000) AS combined_platforms GROUP BY genre;
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How many whales have been spotted in the Atlantic Ocean in 2020?
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CREATE TABLE atlantic_ocean (id INT,year INT,species TEXT,sightings INT); INSERT INTO atlantic_ocean (id,year,species,sightings) VALUES (1,2020,'Blue Whale',250);
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SELECT SUM(sightings) FROM atlantic_ocean WHERE year = 2020 AND species = 'Blue Whale';
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Update the 'Organic Chicken' dish price to $14.00 in the 'Bistro' restaurant.
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CREATE TABLE menu_engineering(dish VARCHAR(255),category VARCHAR(255),price DECIMAL(5,2),restaurant VARCHAR(255));
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UPDATE menu_engineering SET price = 14.00 WHERE dish = 'Organic Chicken' AND restaurant = 'Bistro';
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Calculate the average amount of waste produced per day for each manufacturing plant, for the past month, and rank them in descending order.
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CREATE TABLE Waste_Production (Plant VARCHAR(255),Waste_Amount INT,Waste_Date DATE); INSERT INTO Waste_Production (Plant,Waste_Amount,Waste_Date) VALUES ('Plant1',50,'2022-06-01'),('Plant1',60,'2022-06-02'),('Plant2',30,'2022-06-01'),('Plant2',40,'2022-06-02');
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SELECT Plant, AVG(Waste_Amount) AS Avg_Waste_Per_Day, RANK() OVER (ORDER BY AVG(Waste_Amount) DESC) AS Rank FROM Waste_Production WHERE Waste_Date >= DATE_SUB(CURRENT_DATE, INTERVAL 1 MONTH) GROUP BY Plant;
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Find the average fare for each route
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CREATE TABLE fare (fare_id INT,amount DECIMAL,collected_date DATE,route_id INT); INSERT INTO fare VALUES (1,2.50,'2022-07-01',1); INSERT INTO fare VALUES (2,3.00,'2022-07-01',1); INSERT INTO fare VALUES (3,2.00,'2022-07-02',2); INSERT INTO fare VALUES (4,4.00,'2022-07-02',2); CREATE TABLE route (route_id INT,name TEXT); INSERT INTO route VALUES (1,'Route 1'); INSERT INTO route VALUES (2,'Route 2');
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SELECT r.name, AVG(f.amount) FROM fare f JOIN route r ON f.route_id = r.route_id GROUP BY f.route_id;
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Calculate the total number of genetic research projects in the USA.
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CREATE TABLE genetic_research (id INT,project_name VARCHAR(50),location VARCHAR(50)); INSERT INTO genetic_research (id,project_name,location) VALUES (1,'Project K','USA'); INSERT INTO genetic_research (id,project_name,location) VALUES (2,'Project L','Canada');
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SELECT COUNT(*) FROM genetic_research WHERE location = 'USA';
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What are the names of volunteers who have worked on projects in both 'Education' and 'Environment' categories?
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CREATE TABLE projects (id INT,category VARCHAR(20),volunteer_id INT); INSERT INTO projects (id,category,volunteer_id) VALUES (1,'Education',100),(2,'Environment',100),(3,'Health',200),(4,'Education',300);
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SELECT volunteer_id FROM projects WHERE category = 'Education' INTERSECT SELECT volunteer_id FROM projects WHERE category = 'Environment';
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Update the carbon sequestration values for Canada in 2020 by 5%
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CREATE TABLE carbon_sequestration (id INT,country VARCHAR(255),year INT,sequestration FLOAT,hectares FLOAT); INSERT INTO carbon_sequestration (id,country,year,sequestration,hectares) VALUES (1,'Canada',2018,1000.2,12000000.5),(2,'Australia',2019,1100.1,15000000.3),(3,'Brazil',2018,1300.0,20000000.7),(4,'Indonesia',2019,1500.0,17500000.6),(5,'USA',2020,1200.8,13000000.8),(6,'Canada',2020,1150.9,14000000.9),(7,'Australia',2020,1400.0,15000000.0);
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UPDATE carbon_sequestration SET sequestration = sequestration * 1.05 WHERE country = 'Canada' AND year = 2020;
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What is the average delivery time for each fair labor practice brand in Asia?
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CREATE TABLE Brands (brand_id INT,brand_name VARCHAR(50),ethical BOOLEAN,region VARCHAR(50)); CREATE TABLE Deliveries (delivery_id INT,delivery_date DATE,brand_id INT);
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SELECT B.brand_name, AVG(DATEDIFF(delivery_date, order_date)) as avg_delivery_time FROM Deliveries D INNER JOIN Orders O ON D.delivery_id = O.order_id INNER JOIN Brands B ON D.brand_id = B.brand_id WHERE B.ethical = TRUE AND B.region = 'Asia' GROUP BY B.brand_name;
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What is the average maintenance cost per month for naval ships in Canada?
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CREATE TABLE Naval_Ships (id INT,country VARCHAR(50),type VARCHAR(50),acquisition_date DATE,maintenance_cost FLOAT);
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SELECT AVG(maintenance_cost/MONTHS_BETWEEN(acquisition_date, CURRENT_DATE)) FROM Naval_Ships WHERE country = 'Canada';
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What is the total investment in genetics research in Q1 2022?
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CREATE TABLE genetics_investment(id INT,investment VARCHAR(50),date DATE,amount DECIMAL(10,2)); INSERT INTO genetics_investment VALUES (1,'InvestmentA','2022-03-15',1000000.00),(2,'InvestmentB','2022-01-30',1200000.00),(3,'InvestmentC','2022-02-28',1500000.00);
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SELECT SUM(amount) FROM genetics_investment WHERE date BETWEEN '2022-01-01' AND '2022-03-31';
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What's the total funding received by environmental NGOs based in Africa since 2015?
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CREATE TABLE organizations (id INT,name VARCHAR(50),type VARCHAR(50),country VARCHAR(50)); INSERT INTO organizations (id,name,type,country) VALUES (1,'Greenpeace Africa','NGO','Africa'); INSERT INTO organizations (id,name,type,country) VALUES (2,'Friends of the Earth Africa','NGO','Africa'); INSERT INTO organizations (id,name,type,country) VALUES (3,'WildlifeDirect','NGO','Africa'); INSERT INTO organizations (id,name,type,country) VALUES (4,'Earthlife Africa','NGO','Africa'); INSERT INTO organizations (id,name,type,country) VALUES (5,'African Wildlife Foundation','NGO','Africa');
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SELECT o.name, o.country, sum(f.funding) as total_funding FROM organizations o INNER JOIN funding_received f ON o.id = f.organization_id WHERE o.type = 'NGO' AND o.country = 'Africa' AND f.year >= 2015 GROUP BY o.name, o.country;
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How many ethical AI projects were completed in North America last year?
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CREATE TABLE ethical_ai_projects (project_id INT,country VARCHAR(20),completion_year INT); INSERT INTO ethical_ai_projects (project_id,country,completion_year) VALUES (1,'USA',2020),(2,'Canada',2019),(3,'Mexico',2021),(4,'USA',2018);
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SELECT COUNT(*) FROM ethical_ai_projects WHERE country IN ('USA', 'Canada') AND completion_year = 2020;
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How many international visitors arrived in Paris by month in 2020?
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CREATE TABLE visitor_stats (visitor_id INT,city TEXT,visit_date DATE); INSERT INTO visitor_stats (visitor_id,city,visit_date) VALUES (1,'Paris','2020-01-01'),(2,'Paris','2020-02-14'),(3,'London','2020-03-03'),(4,'Paris','2020-04-20');
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SELECT city, EXTRACT(MONTH FROM visit_date) AS month, COUNT(DISTINCT visitor_id) AS num_visitors FROM visitor_stats WHERE city = 'Paris' AND EXTRACT(YEAR FROM visit_date) = 2020 GROUP BY city, month ORDER BY month;
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What is the average number of security incidents per month for the 'HR' department in 2022?
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CREATE TABLE security_incidents (id INT,department VARCHAR(20),incident_date DATE); INSERT INTO security_incidents (id,department,incident_date) VALUES (1,'HR','2022-01-15'),(2,'Finance','2022-02-07'),(3,'HR','2022-03-20'),(4,'HR','2022-01-01');
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SELECT AVG(COUNT(*)) FROM security_incidents WHERE department = 'HR' AND YEAR(incident_date) = 2022 GROUP BY MONTH(incident_date);
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Calculate the total CO2 emissions for each country in 2020 from the 'emissions' table
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CREATE TABLE emissions (country VARCHAR(50),year INT,co2_emissions INT); INSERT INTO emissions (country,year,co2_emissions) VALUES ('USA',2020,5135),('China',2020,10096),('India',2020,2720),('Russia',2020,2653),('Japan',2020,1140),('Germany',2020,736),('Iran',2020,551),('Saudi Arabia',2020,531),('South Korea',2020,601),('Indonesia',2020,600),('Canada',2020,554),('Mexico',2020,493);
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SELECT country, SUM(co2_emissions) as total_emissions FROM emissions WHERE year = 2020 GROUP BY country;
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What is the total installed capacity (MW) of renewable energy sources in California?
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CREATE TABLE ca_renewable_energy (id INT,source TEXT,capacity_mw FLOAT); INSERT INTO ca_renewable_energy (id,source,capacity_mw) VALUES (1,'Wind',500.0),(2,'Solar',1000.0),(3,'Geothermal',750.0);
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SELECT SUM(capacity_mw) FROM ca_renewable_energy WHERE source IN ('Wind', 'Solar', 'Geothermal');
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What is the total number of space missions and the percentage of successful missions by country?
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CREATE SCHEMA Space;CREATE TABLE Space.SpaceExplorationResearch (country VARCHAR(50),mission_result VARCHAR(10));INSERT INTO Space.SpaceExplorationResearch (country,mission_result) VALUES ('USA','Success'),('USA','Success'),('China','Success'),('Russia','Failure'),('Russia','Success'),('India','Success'),('India','Failure'),('Brazil','Success'),('Brazil','Success');
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SELECT country, COUNT(*) AS total_missions, 100.0 * SUM(CASE WHEN mission_result = 'Success' THEN 1 ELSE 0 END) / COUNT(*) AS success_percentage FROM Space.SpaceExplorationResearch GROUP BY country;
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What is the maximum number of union members in the 'healthcare' schema for any given month in '2021'?
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CREATE TABLE union_members (id INT,date DATE,industry VARCHAR(255),member_count INT); INSERT INTO union_members (id,date,industry,member_count) VALUES (1,'2021-01-01','healthcare',500),(2,'2021-02-01','healthcare',550),(3,'2021-03-01','healthcare',600);
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SELECT MAX(member_count) FROM union_members WHERE industry = 'healthcare' AND date BETWEEN '2021-01-01' AND '2021-12-31';
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What is the rank of each cargo by volume category?
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CREATE TABLE VolumeCategory (VolumeCategoryID INT,VolumeRange VARCHAR(50),LowerLimit INT,UpperLimit INT); INSERT INTO VolumeCategory (VolumeCategoryID,VolumeRange,LowerLimit,UpperLimit) VALUES (1,'up to 10000',0,10000); INSERT INTO VolumeCategory (VolumeCategoryID,VolumeRange,LowerLimit,UpperLimit) VALUES (2,'10000-50000',10000,50000);
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SELECT CargoName, Weight, RANK() OVER (PARTITION BY vc.VolumeCategoryID ORDER BY Weight DESC) as Rank FROM Cargo c JOIN VolumeCategory vc ON c.Weight BETWEEN vc.LowerLimit AND vc.UpperLimit;
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How many cultural heritage sites are there in Germany, Austria, and Switzerland?
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CREATE TABLE heritage_sites (site_id INT,site_name TEXT,country TEXT); INSERT INTO heritage_sites (site_id,site_name,country) VALUES (1,'Brandenburg Gate','Germany'),(2,'Schönbrunn Palace','Austria'),(3,'Jungfrau-Aletsch','Switzerland');
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SELECT COUNT(*) FROM heritage_sites WHERE country IN ('Germany', 'Austria', 'Switzerland');
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Find the total carbon sequestration in 2020 in the 'carbon' table.
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CREATE TABLE carbon (forest_id INT,year INT,sequestration FLOAT);
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SELECT SUM(sequestration) FROM carbon WHERE year = 2020;
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How many total tickets were sold for each type of event in the 'events' table?
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CREATE TABLE events (id INT PRIMARY KEY,event_name VARCHAR(100),event_type VARCHAR(50),num_tickets_sold INT);
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SELECT event_type, SUM(num_tickets_sold) AS total_tickets_sold FROM events GROUP BY event_type;
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What is the total number of marine species observed in the Coral Triangle?
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CREATE TABLE marine_species_observations (id INTEGER,species TEXT,location TEXT); INSERT INTO marine_species_observations (id,species,location) VALUES (1,'Clownfish','Coral Triangle'),(2,'Sea Turtle','Coral Triangle'),(3,'Dolphin','Coral Triangle');
|
SELECT COUNT(*) FROM marine_species_observations WHERE location = 'Coral Triangle';
|
Show the total number of employees by ethnicity
|
diversity_metrics
|
SELECT ethnicity, COUNT(*) as total_employees FROM diversity_metrics GROUP BY ethnicity;
|
Who are the top 3 contributors to heritage site conservation efforts in 'Europe'?
|
CREATE TABLE contributors (id INT,name VARCHAR(50),donation INT,location VARCHAR(50)); INSERT INTO contributors (id,name,donation,location) VALUES (1,'Anne Smith',15000,'Europe'),(2,'Bob Johnson',12000,'Europe'),(3,'Charlotte Lee',10000,'Europe');
|
SELECT name, donation FROM contributors WHERE location = 'Europe' ORDER BY donation DESC LIMIT 3;
|
How many circular economy initiatives were launched in 'Africa' since 2015?
|
CREATE TABLE circular_initiatives(region VARCHAR(10),year INT,initiative VARCHAR(20)); INSERT INTO circular_initiatives VALUES('Africa',2015,'Waste-to-Energy'),('Asia',2016,'Recycling program'),('Africa',2016,'Composting program'),('Europe',2017,'Product reuse'),('Africa',2018,'Plastic reduction campaign');
|
SELECT COUNT(*) FROM circular_initiatives WHERE region = 'Africa' AND year >= 2015;
|
What is the minimum speed for each vessel type?
|
CREATE TABLE vessels (id INT,type VARCHAR(255),imo INT); CREATE TABLE speeds (id INT,vessel_id INT,speed FLOAT);
|
SELECT v.type, MIN(s.speed) as min_speed FROM speeds s JOIN vessels v ON s.vessel_id = v.id GROUP BY v.type;
|
How many articles were published by "The New York Times" in 2019 having the word 'climate' in the title?
|
CREATE TABLE Articles (id INT,title VARCHAR(255),publisher VARCHAR(100),publication_year INT,topic VARCHAR(50)); INSERT INTO Articles (id,title,publisher,publication_year,topic) VALUES (1,'Article1','The New York Times',2019,'climate'),(2,'Article2','The Washington Post',2018,'politics'),(3,'Article3','The New York Times',2017,'sports');
|
SELECT COUNT(*) FROM Articles WHERE publisher = 'The New York Times' AND publication_year = 2019 AND topic = 'climate';
|
List all chemical reactions involving 'Sodium Hydroxide' and 'Hydrochloric Acid', along with their reaction types, and the number of times they have been performed.
|
CREATE TABLE reaction (id INT,chemical_1 VARCHAR(255),chemical_2 VARCHAR(255),reaction_type VARCHAR(255)); INSERT INTO reaction (id,chemical_1,chemical_2,reaction_type) VALUES (1,'Sodium Hydroxide','Hydrochloric Acid','Neutralization'),(2,'Sodium Hydroxide','Acetic Acid','Neutralization'),(3,'Hydrochloric Acid','Sodium Carbonate','Acid-Base Reaction'); INSERT INTO reaction_record (id,reaction_id,record_date) VALUES (1,1,'2022-01-01'),(2,1,'2022-01-02'),(3,2,'2022-01-03'),(4,3,'2022-01-04'),(5,1,'2022-01-05');
|
SELECT r.reaction_type, r.chemical_1, r.chemical_2, COUNT(rr.id) as num_reactions FROM reaction r INNER JOIN reaction_record rr ON r.id = rr.reaction_id WHERE (r.chemical_1 = 'Sodium Hydroxide' AND r.chemical_2 = 'Hydrochloric Acid') OR (r.chemical_1 = 'Hydrochloric Acid' AND r.chemical_2 = 'Sodium Hydroxide') GROUP BY r.id;
|
What are the names of the programs that have a budget greater than the average program budget?
|
CREATE TABLE Programs (ProgramName VARCHAR(50),Budget DECIMAL(10,2)); INSERT INTO Programs (ProgramName,Budget) VALUES ('Education',15000.00),('Healthcare',22000.00),('Arts',10000.00);
|
SELECT ProgramName FROM Programs WHERE Budget > (SELECT AVG(Budget) FROM Programs);
|
List the names and locations of all marine mammal species in the Arctic.
|
CREATE TABLE marine_mammals (name VARCHAR(255),species VARCHAR(255),location VARCHAR(255)); INSERT INTO marine_mammals (name,species,location) VALUES ('Beluga Whale','Whale','Arctic'),('Polar Bear','Bear','Arctic');
|
SELECT name, location FROM marine_mammals WHERE location = 'Arctic';
|
What is the average price of garments, grouped by category, for those categories that have a total revenue greater than $100,000?
|
CREATE TABLE garments (id INT PRIMARY KEY,category VARCHAR(255)); CREATE TABLE sales (id INT PRIMARY KEY,garment_id INT,date DATE,quantity INT,price DECIMAL(5,2)); ALTER TABLE sales ADD FOREIGN KEY (garment_id) REFERENCES garments(id);
|
SELECT garments.category, AVG(sales.price) as avg_price FROM garments INNER JOIN sales ON garments.id = sales.garment_id GROUP BY garments.category HAVING SUM(sales.quantity*sales.price) > 100000;
|
For the tech_for_social_good table, return the project_name and budget_remaining for the row with the latest start_date, in descending order.
|
CREATE TABLE tech_for_social_good (project_name VARCHAR(255),budget_remaining FLOAT,start_date DATE);
|
SELECT project_name, budget_remaining FROM tech_for_social_good WHERE start_date = (SELECT MAX(start_date) FROM tech_for_social_good);
|
What is the number of hospitals and clinics in each city?
|
CREATE TABLE cities (city_id INT,city_name VARCHAR(255)); INSERT INTO cities VALUES (1,'CityA'),(2,'CityB'); CREATE TABLE hospitals (hospital_id INT,hospital_name VARCHAR(255),city_id INT); INSERT INTO hospitals VALUES (1,'Hospital1',1),(2,'Hospital2',2); CREATE TABLE clinics (clinic_id INT,clinic_name VARCHAR(255),city_id INT); INSERT INTO clinics VALUES (1,'Clinic1',1),(2,'Clinic2',2);
|
SELECT cities.city_name, COUNT(hospitals.hospital_id) AS hospitals, COUNT(clinics.clinic_id) AS clinics FROM cities LEFT JOIN hospitals ON cities.city_id = hospitals.city_id LEFT JOIN clinics ON cities.city_id = clinics.city_id GROUP BY cities.city_name;
|
List the ports and the number of vessels that visited each port in the last month
|
CREATE TABLE Ports (PortID INT,PortName VARCHAR(50)); CREATE TABLE Visits (VisitID INT,PortID INT,VisitDate DATE); INSERT INTO Ports (PortID,PortName) VALUES (1,'PortA'),(2,'PortB'),(3,'PortC'); INSERT INTO Visits (VisitID,PortID,VisitDate) VALUES (1,1,'2022-01-05'),(2,1,'2022-01-10'),(3,2,'2022-01-15'),(4,3,'2022-01-20');
|
SELECT PortName, COUNT(*) FROM Ports INNER JOIN Visits ON Ports.PortID = Visits.PortID WHERE VisitDate >= DATEADD(month, -1, GETDATE()) GROUP BY PortName;
|
Who are the top 3 farmers in terms of total crop yield?
|
CREATE TABLE farmers (id INT,name VARCHAR(50),age INT); INSERT INTO farmers (id,name,age) VALUES (1,'James Brown',45); INSERT INTO farmers (id,name,age) VALUES (2,'Sara Johnson',50); INSERT INTO farmers (id,name,age) VALUES (3,'Maria Garcia',55); INSERT INTO farmers (id,name,age) VALUES (4,'David White',60); CREATE TABLE crops (id INT,name VARCHAR(50),yield INT,farmer_id INT,PRIMARY KEY (id),FOREIGN KEY (farmer_id) REFERENCES farmers(id)); INSERT INTO crops (id,name,yield,farmer_id) VALUES (1,'Corn',200,1); INSERT INTO crops (id,name,yield,farmer_id) VALUES (2,'Wheat',150,2); INSERT INTO crops (id,name,yield,farmer_id) VALUES (3,'Rice',100,1); INSERT INTO crops (id,name,yield,farmer_id) VALUES (4,'Soybean',120,3); INSERT INTO crops (id,name,yield,farmer_id) VALUES (5,'Cotton',80,3); INSERT INTO crops (id,name,yield,farmer_id) VALUES (6,'Barley',180,4);
|
SELECT farmers.name, SUM(crops.yield) as total_yield FROM farmers INNER JOIN crops ON farmers.id = crops.farmer_id GROUP BY farmers.name ORDER BY total_yield DESC LIMIT 3;
|
How many users in Tokyo have a heart rate over 120 during their workouts in April 2022?
|
CREATE TABLE workouts (id INT,user_location VARCHAR(50),workout_date DATE,avg_heart_rate INT); INSERT INTO workouts (id,user_location,workout_date,avg_heart_rate) VALUES (1,'Tokyo','2022-04-01',130),(2,'Tokyo','2022-04-02',110);
|
SELECT COUNT(*) FROM workouts WHERE user_location = 'Tokyo' AND avg_heart_rate > 120 AND workout_date BETWEEN '2022-04-01' AND '2022-04-30';
|
What is the total number of government transparency initiatives in the last 2 years?
|
CREATE TABLE transparency_initiatives (initiative_date DATE,initiative_type VARCHAR(20)); INSERT INTO transparency_initiatives (initiative_date,initiative_type) VALUES ('2021-01-01','Fiscal Transparency'),('2021-02-01','Open Data'),('2021-03-01','Public Participation');
|
SELECT COUNT(*) FROM transparency_initiatives WHERE initiative_date >= DATEADD(year, -2, GETDATE());
|
Add a new column 'Age' to the 'Player' table and calculate it based on the 'Date_Joined' column
|
CREATE TABLE Player (Player_ID INT,Name VARCHAR(50),Date_Joined DATE); INSERT INTO Player (Player_ID,Name,Date_Joined) VALUES (1,'John Doe','2019-06-15'),(2,'Jane Smith','2020-03-08'),(3,'Alice Johnson','2021-02-22');
|
ALTER TABLE Player ADD Age INT; UPDATE Player SET Age = DATEDIFF(year, Date_Joined, GETDATE()) FROM Player;
|
Find the average age of athletes participating in the Olympics and Commonwealth Games.
|
CREATE TABLE athletes (id INT,name VARCHAR(50),age INT,sport VARCHAR(50),event VARCHAR(50)); INSERT INTO athletes (id,name,age,sport,event) VALUES (1,'John Doe',25,'Athletics','Olympics'),(2,'Jane Smith',30,'Swimming','Commonwealth Games'),(3,'Richard Roe',28,'Athletics','Commonwealth Games');
|
SELECT AVG(age) FROM athletes WHERE event IN ('Olympics', 'Commonwealth Games');
|
How many refugee children are there in the 'refugee_support' table for 'Syria'?
|
CREATE TABLE refugee_support(id INT,age INT,location VARCHAR(255)); INSERT INTO refugee_support(id,age,location) VALUES (1,10,'Syria'),(2,25,'Iraq'),(3,12,'Syria');
|
SELECT COUNT(*) FROM refugee_support WHERE location = 'Syria' AND age < 18;
|
What is the average number of days it takes to process a return, for each store, in the past month?
|
CREATE TABLE returns (id INT,date DATE,store VARCHAR(50),days_to_process INT);
|
SELECT store, AVG(days_to_process) as avg_days_to_process FROM returns WHERE date >= DATEADD(month, -1, GETDATE()) GROUP BY store;
|
What is the number of unique devices affected by each vulnerability type in the last year?
|
CREATE TABLE device_vulnerabilities (id INT,device_id INT,device_type VARCHAR(255),vulnerability_type VARCHAR(255),year INT); INSERT INTO device_vulnerabilities (id,device_id,device_type,vulnerability_type,year) VALUES (1,1,'Laptop','SQL Injection',2021),(2,1,'Laptop','Cross-site Scripting',2021),(3,2,'Desktop','SQL Injection',2021),(4,3,'Laptop','Phishing',2021),(5,3,'Server','SQL Injection',2021),(6,4,'Mobile','Phishing',2021),(7,4,'Tablet','Cross-site Scripting',2021),(8,5,'Server','SQL Injection',2021);
|
SELECT vulnerability_type, COUNT(DISTINCT device_id) as unique_devices FROM device_vulnerabilities WHERE year = 2021 GROUP BY vulnerability_type;
|
Find the number of wind power projects in India, Brazil, and South Africa with an investment over 200 million dollars.
|
CREATE TABLE wind_power_projects (id INT,name TEXT,country TEXT,investment_usd FLOAT); INSERT INTO wind_power_projects (id,name,country,investment_usd) VALUES (1,'São Vitor Wind Farm','Brazil',250.0);
|
SELECT COUNT(*) FROM wind_power_projects WHERE country IN ('India', 'Brazil', 'South Africa') AND investment_usd > 200000000.0;
|
What are the top 3 cruelty-free cosmetic brands by total sales in the USA?
|
CREATE TABLE brands (brand_id INT,brand_name TEXT,is_cruelty_free BOOLEAN,country TEXT); INSERT INTO brands (brand_id,brand_name,is_cruelty_free,country) VALUES (1,'Lush',TRUE,'USA'),(2,'The Body Shop',TRUE,'UK'),(3,'Estee Lauder',FALSE,'USA');
|
SELECT brand_name, SUM(sales) as total_sales FROM brands JOIN sales_data ON brands.brand_id = sales_data.brand_id WHERE country = 'USA' AND is_cruelty_free = TRUE GROUP BY brand_name ORDER BY total_sales DESC LIMIT 3;
|
What is the total weight of freight forwarded from Canada to Australia?
|
CREATE TABLE Freight (id INT,item VARCHAR(50),weight FLOAT,country VARCHAR(50)); INSERT INTO Freight (id,item,weight,country) VALUES (1,'Gizmo',15.3,'Canada'),(2,'Gadget',22.8,'Australia');
|
SELECT SUM(weight) FROM Freight f1 INNER JOIN Freight f2 ON f1.item = f2.item WHERE f1.country = 'Canada' AND f2.country = 'Australia';
|
List all space missions that failed
|
CREATE TABLE SpaceMissions (ID INT,MissionName VARCHAR(50),Success BOOLEAN); INSERT INTO SpaceMissions VALUES (1,'Apollo 11',true),(2,'Apollo 13',false);
|
SELECT * FROM SpaceMissions WHERE Success = false;
|
Identify the consumer sentiment trend for ethical fashion in the last 3 months.
|
CREATE TABLE consumer_sentiment (date DATE,sentiment INT); INSERT INTO consumer_sentiment (date,sentiment) VALUES ('2022-01-01',75),('2022-01-02',78),('2022-01-03',82),('2022-02-01',80),('2022-02-02',85),('2022-02-03',88),('2022-03-01',90),('2022-03-02',92),('2022-03-03',95);
|
SELECT date, sentiment, LAG(sentiment, 2) OVER (ORDER BY date) as lagged_sentiment FROM consumer_sentiment;
|
What is the average amount of humanitarian assistance provided per quarter in 2020?
|
CREATE TABLE humanitarian_assistance (id INT,quarter INT,year INT,amount FLOAT); INSERT INTO humanitarian_assistance (id,quarter,year,amount) VALUES (1,1,2018,125000),(2,1,2019,137500),(3,1,2020,150000),(4,2,2020,162500),(5,3,2020,175000),(6,4,2020,187500);
|
SELECT AVG(amount) FROM humanitarian_assistance WHERE year = 2020;
|
What is the minimum number of pharmacotherapy sessions attended by patients with depression in France?
|
CREATE TABLE pharmacotherapy (pharmacotherapy_id INT,patient_id INT,condition VARCHAR(50),country VARCHAR(50),num_sessions INT); INSERT INTO pharmacotherapy (pharmacotherapy_id,patient_id,condition,country,num_sessions) VALUES (1,15,'Depression','France',4),(2,16,'Depression','France',6),(3,17,'Depression','France',5);
|
SELECT MIN(num_sessions) FROM pharmacotherapy WHERE country = 'France' AND condition = 'Depression';
|
What is the minimum permit issuance delay in the North region for residential projects?
|
CREATE TABLE permit_delay_north (delay_id INT,region VARCHAR(50),project_type VARCHAR(50),delay INT); INSERT INTO permit_delay_north (delay_id,region,project_type,delay) VALUES (1,'North','Residential',5);
|
SELECT MIN(delay) FROM permit_delay_north WHERE region = 'North' AND project_type = 'Residential';
|
List hospitals in Nairobi with their capacity and the number of patients vaccinated at each.
|
CREATE TABLE hospitals (id INT,name VARCHAR(50),location VARCHAR(50),capacity INT); INSERT INTO hospitals (id,name,location,capacity) VALUES (7,'Nairobi Hospital','Nairobi',600); CREATE TABLE patient_vaccinations (id INT,hospital_id INT,patient_id INT,date DATE); INSERT INTO patient_vaccinations (id,hospital_id,patient_id,date) VALUES (7,7,7,'2022-03-01');
|
SELECT hospitals.name, hospitals.capacity, COUNT(patient_vaccinations.patient_id) FROM hospitals LEFT JOIN patient_vaccinations ON hospitals.id = patient_vaccinations.hospital_id WHERE hospitals.location = 'Nairobi' GROUP BY hospitals.name;
|
Find the number of electric cars sold, leased, and total for each manufacturer in the 'auto_sales' table.
|
CREATE TABLE auto_sales (id INT,manufacturer VARCHAR(20),sale_type VARCHAR(10),vehicle_type VARCHAR(10)); INSERT INTO auto_sales (id,manufacturer,sale_type,vehicle_type) VALUES (1,'Tesla','Sold','EV'),(2,'Toyota','Leased','Hybrid'),(3,'Tesla','Sold','EV'),(4,'Nissan','Leased','EV');
|
SELECT manufacturer, COUNT(*) FILTER (WHERE sale_type = 'Sold' AND vehicle_type = 'EV') AS sold, COUNT(*) FILTER (WHERE sale_type = 'Leased' AND vehicle_type = 'EV') AS leased, COUNT(*) AS total FROM auto_sales GROUP BY manufacturer;
|
Which male reporters aged 30 or above are assigned to investigative projects?
|
CREATE TABLE reporters (id INT,name VARCHAR(255),gender VARCHAR(10),age INT,country VARCHAR(100)); CREATE TABLE investigative_projects (id INT,title VARCHAR(255),reporter_id INT,status VARCHAR(20),start_date DATE,end_date DATE); INSERT INTO reporters (id,name,gender,age,country) VALUES (3,'Alex Garcia','Male',32,'Mexico'); INSERT INTO investigative_projects (id,title,reporter_id,status,start_date,end_date) VALUES (3,'The Hidden Truth',3,'In Progress','2022-02-01','2023-01-31');
|
SELECT reporters.name, reporters.gender, reporters.age FROM reporters INNER JOIN investigative_projects ON reporters.id = investigative_projects.reporter_id WHERE reporters.gender = 'Male' AND reporters.age >= 30;
|
What is the maximum budget for all projects in the infrastructure development database?
|
CREATE TABLE if not exists Projects (id INT,name VARCHAR(50),type VARCHAR(50),budget DECIMAL(10,2)); INSERT INTO Projects (id,name,type,budget) VALUES (1,'Seawall','Resilience',5000000.00),(2,'Floodgate','Resilience',3000000.00),(3,'Bridge','Transportation',8000000.00),(4,'Highway','Transportation',12000000.00);
|
SELECT MAX(budget) FROM Projects;
|
What is the maximum value of military equipment sold in a single transaction?
|
CREATE TABLE MilitaryEquipmentSales (id INT PRIMARY KEY,year INT,country VARCHAR(50),equipment VARCHAR(50),value FLOAT); INSERT INTO MilitaryEquipmentSales (id,year,country,equipment,value) VALUES (1,2022,'USA','Ships',50000000);
|
SELECT MAX(value) FROM MilitaryEquipmentSales;
|
What is the number of students and teachers in each school?
|
CREATE TABLE students (student_id INT,student_name VARCHAR(50),school_id INT); INSERT INTO students (student_id,student_name,school_id) VALUES (1,'John Doe',1001),(2,'Jane Smith',1001),(3,'Mike Johnson',1002); CREATE TABLE teachers (teacher_id INT,teacher_name VARCHAR(50),school_id INT); INSERT INTO teachers (teacher_id,teacher_name,school_id) VALUES (1,'Alice Brown',1001),(2,'David Lee',1001),(3,'Emily White',1002);
|
SELECT school_id, COUNT(DISTINCT s.student_id) as student_count, COUNT(DISTINCT t.teacher_id) as teacher_count FROM students s FULL OUTER JOIN teachers t ON s.school_id = t.school_id GROUP BY school_id;
|
Rank the top 3 construction labor statistics by frequency in the South?
|
CREATE TABLE South_LS (statistic VARCHAR(30),frequency INT); INSERT INTO South_LS VALUES ('Hourly wage',5000),('Overtime hours',3000),('Safety incidents',1500);
|
SELECT statistic, ROW_NUMBER() OVER (ORDER BY frequency DESC) as rank FROM South_LS WHERE rank <= 3;
|
What is the average water temperature for the Tilapia farm in the last 7 days?
|
CREATE TABLE FarmTemperature (farm_id INT,date DATE,temperature DECIMAL(5,2)); INSERT INTO FarmTemperature (farm_id,date,temperature) VALUES (1,'2022-03-01',26.2),(1,'2022-03-02',26.3);
|
SELECT AVG(temperature) avg_temp FROM FarmTemperature WHERE farm_id = 1 AND date >= (SELECT DATEADD(day, -7, GETDATE()));
|
What is the most common severity of mental health issues reported in the student_mental_health table?
|
CREATE TABLE student_mental_health (id INT,student_id INT,issue VARCHAR(50),severity VARCHAR(50));
|
SELECT severity, COUNT(*) FROM student_mental_health GROUP BY severity ORDER BY COUNT(*) DESC LIMIT 1;
|
How many students are enrolled in each department?
|
CREATE TABLE enrollment (id INT,student_id INT,department VARCHAR(50)); INSERT INTO enrollment (id,student_id,department) VALUES (1,1,'Computer Science'),(2,2,'Computer Science'),(3,3,'Mathematics'),(4,4,'Physics');
|
SELECT department, COUNT(DISTINCT student_id) FROM enrollment GROUP BY department;
|
What is the total number of visitors from the 'United States' and 'Canada'?
|
CREATE TABLE visitors (id INT,country VARCHAR(255),exhibition_id INT); INSERT INTO visitors (id,country,exhibition_id) VALUES (1,'United States',1),(2,'Canada',1),(3,'Mexico',1),(4,'United States',2),(5,'Canada',2),(6,'Brazil',2),(7,'United States',3),(8,'Canada',3); CREATE TABLE exhibitions (id INT,name VARCHAR(255),type VARCHAR(255)); INSERT INTO exhibitions (id,name,type) VALUES (1,'Impressionism','Classic'),(2,'Surrealism','Modern'),(3,'Renaissance','Classic');
|
SELECT COUNT(*) FROM visitors WHERE country IN ('United States', 'Canada');
|
Present the earliest and latest arrival times for tanker cargo types in the Port of Rotterdam.
|
CREATE TABLE ROTTERDAM_PORT_CALLS (ID INT,PORT_CALL_ID INT,CARGO_TYPE VARCHAR(50),ARRIVAL DATETIME); INSERT INTO ROTTERDAM_PORT_CALLS VALUES (1,1,'Crude Oil','2021-12-01 12:00:00'); INSERT INTO ROTTERDAM_PORT_CALLS VALUES (2,2,'Gasoline','2021-12-03 06:00:00');
|
SELECT CARGO_TYPE, MIN(ARRIVAL) AS EARLIEST_ARRIVAL, MAX(ARRIVAL) AS LATEST_ARRIVAL FROM ROTTERDAM_PORT_CALLS JOIN PORT_CALLS ON ROTTERDAM_PORT_CALLS.PORT_CALL_ID = PORT_CALLS.ID WHERE PORT = 'Port of Rotterdam' AND CARGO_TYPE LIKE 'Tanker%' GROUP BY CARGO_TYPE
|
How many students are enrolled in the 'AssistiveTechnology' and 'SignLanguageInterpreter' programs in the 'StudentPrograms' table?
|
CREATE TABLE StudentPrograms (student_id INT,program_name VARCHAR(255)); INSERT INTO StudentPrograms (student_id,program_name) VALUES (1,'AssistiveTechnology'),(2,'SignLanguageInterpreter'),(3,'ExtendedTestingTime'),(4,'AssistiveTechnology'),(5,'ExtendedTestingTime');
|
SELECT COUNT(*) FROM StudentPrograms WHERE program_name IN ('AssistiveTechnology', 'SignLanguageInterpreter');
|
Show production rates for machines in the textile manufacturing industry, ordered from highest to lowest.
|
CREATE TABLE machine_data (machine_type VARCHAR(50),industry VARCHAR(50),production_rate FLOAT); INSERT INTO machine_data (machine_type,industry,production_rate) VALUES ('Automated Cutting Machine','Textile',120),('Sewing Machine','Textile',90),('Knitting Machine','Textile',80),('Automated Folding Machine','Textile',70),('Material Handling Robot','Textile',60);
|
SELECT machine_type, production_rate FROM machine_data WHERE industry = 'Textile' ORDER BY production_rate DESC;
|
What was the total donation amount by new donors in Q1 2023?
|
CREATE TABLE donors (donor_id INT,donation_date DATE,donation_amount DECIMAL(10,2)); INSERT INTO donors VALUES (11,'2023-01-02',200.00),(12,'2023-03-10',300.00),(13,'2023-01-15',100.00);
|
SELECT SUM(donation_amount) FROM donors WHERE donor_id IN (SELECT donor_id FROM donors WHERE donation_date BETWEEN '2023-01-01' AND '2023-03-31' GROUP BY donor_id HAVING COUNT(*) = 1);
|
What is the total investment in rural infrastructure in Southeast Asia?
|
CREATE TABLE project (id INT,name TEXT,location TEXT,investment_amount INT,year INT); INSERT INTO project (id,name,location,investment_amount,year) VALUES (1,'Northern Highway','India',2000000,2020),(2,'Southern Railway','Vietnam',1500000,2019),(3,'Central Dam','Indonesia',2500000,2018),(4,'Eastern Irrigation','Nepal',1000000,2017);
|
SELECT SUM(investment_amount) FROM project WHERE location LIKE 'Southeast%';
|
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