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What is the average salary of employees in the IT department hired after January 2020? | CREATE TABLE Employees (EmployeeID INT,Department VARCHAR(50),Gender VARCHAR(10),Salary FLOAT,HireDate DATE); INSERT INTO Employees (EmployeeID,Department,Gender,Salary,HireDate) VALUES (1,'IT','Male',85000,'2021-04-20'),(2,'HR','Female',75000,'2019-12-15'),(3,'IT','Female',80000,'2020-01-08'),(4,'IT','Male',90000,'2021-04-01'),(5,'Finance','Male',75000,'2019-12-28'),(6,'IT','Male',88000,'2021-05-12'),(7,'Marketing','Female',78000,'2021-07-01'); | SELECT AVG(Salary) FROM Employees WHERE Department = 'IT' AND HireDate > '2020-01-01'; |
What is the average age of patients diagnosed with diabetes in rural areas? | CREATE TABLE patients (id INT,age INT,diagnosis VARCHAR(20),location VARCHAR(20)); INSERT INTO patients (id,age,diagnosis,location) VALUES (1,50,'diabetes','rural'),(2,45,'diabetes','rural'),(3,60,'not diabetes','urban'); | SELECT AVG(age) FROM patients WHERE diagnosis = 'diabetes' AND location = 'rural'; |
What is the average points scored by players from India in a single game? | CREATE TABLE games (id INT,player TEXT,country TEXT,points_scored INT); INSERT INTO games (id,player,country,points_scored) VALUES (1,'Raj Singh','IND',12),(2,'Priya Patel','IND',16),(3,'Amit Kumar','IND',10); | SELECT AVG(points_scored) FROM games WHERE country = 'IND'; |
What is the average size, in hectares, of community development initiatives in Kenya that were completed after 2015? | CREATE TABLE community_development_initiatives (id INT,country VARCHAR(255),size_ha FLOAT,completion_date DATE); INSERT INTO community_development_initiatives (id,country,size_ha,completion_date) VALUES (1,'Kenya',50.2,'2016-03-01'),(2,'Kenya',32.1,'2017-08-15'),(3,'Tanzania',45.6,'2018-09-22'); | SELECT AVG(size_ha) FROM community_development_initiatives WHERE country = 'Kenya' AND completion_date >= '2015-01-01'; |
Identify the bridges in the transportation division that require maintenance in the next 6 months and display their maintenance schedule. | CREATE TABLE bridges (id INT,name VARCHAR(50),division VARCHAR(50),maintenance_date DATE); INSERT INTO bridges (id,name,division,maintenance_date) VALUES (1,'Bridge A','Transportation','2024-02-01'),(2,'Bridge B','Transportation','2023-07-15'),(3,'Bridge C','Transportation','2025-03-20'); | SELECT name, maintenance_date FROM bridges WHERE division = 'Transportation' AND maintenance_date BETWEEN CURDATE() AND DATE_ADD(CURDATE(), INTERVAL 6 MONTH); |
What are the names and transaction counts of decentralized applications in the 'DeFi' category? | CREATE TABLE dapps (name VARCHAR(255),category VARCHAR(50),transaction_count INT); INSERT INTO dapps (name,category,transaction_count) VALUES ('App1','DeFi',500),('App2','Gaming',200),('App3','DeFi',800); | SELECT name, transaction_count FROM dapps WHERE category = 'DeFi'; |
What is the maximum transaction value for 'Wrapped Ether' smart contract on the 'Binance Smart Chain'? | CREATE TABLE bsc_smart_contracts (contract_id INT,contract_address VARCHAR(40),network VARCHAR(20)); INSERT INTO bsc_smart_contracts (contract_id,contract_address,network) VALUES (1,'0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c','Binance Smart Chain'); CREATE TABLE bsc_smart_contract_transactions (transaction_id INT,contract_id INT,block_number INT,value DECIMAL(10,2)); INSERT INTO bsc_smart_contract_transactions (transaction_id,contract_id,block_number,value) VALUES (1,1,10,10000); INSERT INTO bsc_smart_contract_transactions (transaction_id,contract_id,block_number,value) VALUES (2,1,20,20000); | SELECT MAX(t.value) as max_value FROM bsc_smart_contracts c JOIN bsc_smart_contract_transactions t ON c.contract_id = t.contract_id WHERE c.contract_address = '0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c' AND c.network = 'Binance Smart Chain' AND c.contract_name = 'Wrapped Ether'; |
Find the number of artworks by each artist in the 'Artworks' table | CREATE TABLE Artworks (Artist VARCHAR(50),Artwork VARCHAR(50),Year INT); INSERT INTO Artworks | SELECT Artist, COUNT(Artwork) as ArtworkCount FROM Artworks GROUP BY Artist |
What is the most frequently used boarding station for each route? | CREATE TABLE Stations (StationID INT,StationName VARCHAR(50),RouteID INT,IsStart VARCHAR(50)); INSERT INTO Stations (StationID,StationName,RouteID,IsStart) VALUES (1,'StationA',1,'true'),(2,'StationB',1,'false'),(3,'StationC',1,'false'),(4,'StationD',2,'true'),(5,'StationE',2,'false'),(6,'StationF',3,'true'),(7,'StationG',3,'false'),(8,'StationH',3,'false'); | SELECT RouteID, StationName FROM Stations S1 WHERE IsStart = 'true' AND NOT EXISTS (SELECT * FROM Stations S2 WHERE S2.RouteID = S1.RouteID AND S2.IsStart = 'true' AND S2.StationID > S1.StationID); |
What is the total number of patients treated with CBT and medication in California? | CREATE TABLE mental_health_conditions (patient_id INT,condition VARCHAR(50),state VARCHAR(50)); INSERT INTO mental_health_conditions (patient_id,condition,state) VALUES (1,'Anxiety','California'),(2,'Depression','California'); CREATE TABLE treatment_approaches (patient_id INT,approach VARCHAR(50),duration INT); INSERT INTO treatment_approaches (patient_id,approach,duration) VALUES (1,'CBT',12),(1,'Medication',10),(2,'Medication',15),(2,'Therapy',20); | SELECT SUM(duration) FROM (SELECT duration FROM treatment_approaches WHERE approach IN ('CBT', 'Medication') AND patient_id IN (SELECT patient_id FROM mental_health_conditions WHERE state = 'California') GROUP BY patient_id) AS subquery; |
How many public transportation systems support multimodal travel in New York? | CREATE TABLE multimodal_systems (id INT,city VARCHAR(20),num_systems INT); INSERT INTO multimodal_systems (id,city,num_systems) VALUES (1,'New York',3),(2,'Chicago',2); | SELECT num_systems FROM multimodal_systems WHERE city = 'New York'; |
What is the maximum water depth for shrimp farms in Vietnam? | CREATE TABLE shrimp_farms (id INT,name TEXT,country TEXT,water_depth FLOAT); INSERT INTO shrimp_farms (id,name,country,water_depth) VALUES (1,'Farm R','Vietnam',6.2); INSERT INTO shrimp_farms (id,name,country,water_depth) VALUES (2,'Farm S','Vietnam',7.5); INSERT INTO shrimp_farms (id,name,country,water_depth) VALUES (3,'Farm T','Vietnam',8.9); | SELECT MAX(water_depth) FROM shrimp_farms WHERE country = 'Vietnam'; |
How many cases were won by attorneys who identify as female? | CREATE TABLE Attorneys (AttorneyID INT PRIMARY KEY,Gender VARCHAR(6),Name VARCHAR(255)); INSERT INTO Attorneys (AttorneyID,Gender,Name) VALUES (1,'Female','Sarah Johnson'),(2,'Male','Daniel Lee'),(3,'Non-binary','Jamie Taylor'); CREATE TABLE CaseOutcomes (CaseID INT PRIMARY KEY,AttorneyID INT,Outcome VARCHAR(10)); INSERT INTO CaseOutcomes (CaseID,AttorneyID,Outcome) VALUES (1,1,'Won'),(2,2,'Lost'),(3,3,'Won'); | SELECT COUNT(*) FROM CaseOutcomes JOIN Attorneys ON CaseOutcomes.AttorneyID = Attorneys.AttorneyID WHERE Attorneys.Gender = 'Female' AND Outcome = 'Won'; |
What is the maximum water temperature in the Arctic ocean? | CREATE TABLE temperature (temp_id INT,location TEXT,temperature FLOAT); INSERT INTO temperature (temp_id,location,temperature) VALUES (1,'Arctic',25.7); | SELECT MAX(temperature) FROM temperature WHERE location = 'Arctic' |
What is the total area of forests in the temperate region that have been certified as sustainable by the Forest Stewardship Council (FSC)? | CREATE TABLE forest (id INT,name TEXT,region TEXT,is_fsc_certified BOOLEAN); | SELECT SUM(area_sqkm) FROM forest WHERE region = 'temperate' AND is_fsc_certified = TRUE; |
Delete inactive broadband subscribers who haven't used the service in the last 6 months? | CREATE TABLE broadband_subscribers (subscriber_id INT,last_usage DATE); INSERT INTO broadband_subscribers (subscriber_id,last_usage) VALUES (1,'2021-06-01'),(2,'2021-02-15'),(3,'2021-01-05'),(4,'2021-07-20'); | DELETE FROM broadband_subscribers WHERE last_usage < DATE_SUB(CURDATE(), INTERVAL 6 MONTH); |
What is the average duration of residential permits issued in 2021? | CREATE TABLE ProjectTimeline (permit_id INT,project_type VARCHAR(255),duration INT,issue_year INT); INSERT INTO ProjectTimeline (permit_id,project_type,duration,issue_year) VALUES (1,'residential',120,2021),(2,'commercial',180,2022); | SELECT AVG(duration) FROM ProjectTimeline WHERE project_type = 'residential' AND issue_year = 2021; |
Determine the average stocking density of fish farms in Japan and South Korea. | CREATE TABLE farm_asia (farm_id INT,country VARCHAR(255),density FLOAT); INSERT INTO farm_asia (farm_id,country,density) VALUES (1,'Japan',50),(2,'Japan',60),(3,'South Korea',70),(4,'South Korea',80); | SELECT AVG(density) FROM farm_asia WHERE country IN ('Japan', 'South Korea'); |
Insert new labor productivity data | CREATE TABLE productivity (id INT PRIMARY KEY,company VARCHAR(100),value DECIMAL(5,2)); | INSERT INTO productivity (company, value) VALUES ('Teck Resources', 320); |
What is the maximum container size of cargo ships from South American countries that docked at the Port of Rotterdam? | CREATE TABLE ports (port_id INT,port_name VARCHAR(100),country VARCHAR(100)); INSERT INTO ports (port_id,port_name,country) VALUES (1,'Port of Rotterdam','Netherlands'); CREATE TABLE cargo_ships (ship_id INT,ship_name VARCHAR(100),port_id INT,container_size INT); INSERT INTO cargo_ships (ship_id,ship_name,port_id,container_size) VALUES (1,'South American Ship 1',1,20),(2,'South American Ship 2',1,30),(3,'South American Ship 3',1,40); | SELECT MAX(container_size) FROM cargo_ships WHERE country = 'South America' AND port_id = 1; |
What is the total number of transactions and their combined value for digital assets with a market cap greater than $1 billion? | CREATE TABLE digital_assets (asset_id INT,name VARCHAR(255),market_cap DECIMAL(18,2)); INSERT INTO digital_assets (asset_id,name,market_cap) VALUES (1,'Bitcoin',1000000000000.00),(2,'Ethereum',300000000000.00); CREATE TABLE transactions (transaction_id INT,asset_id INT,value DECIMAL(18,2)); INSERT INTO transactions (transaction_id,asset_id,value) VALUES (1,1,50000.00),(2,1,60000.00),(3,2,20000.00),(4,2,30000.00); | SELECT SUM(value) AS total_value, COUNT(*) AS total_transactions FROM transactions JOIN digital_assets ON transactions.asset_id = digital_assets.asset_id WHERE digital_assets.market_cap > 1000000000; |
Average revenue of Cubism paintings sold worldwide since 2010? | CREATE TABLE ArtSales (id INT,painting_name VARCHAR(50),price FLOAT,sale_date DATE,painting_style VARCHAR(20),sale_location VARCHAR(30)); INSERT INTO ArtSales (id,painting_name,price,sale_date,painting_style,sale_location) VALUES (1,'Painting1',9000,'2011-01-01','Cubism','USA'); | SELECT AVG(price) FROM ArtSales WHERE painting_style = 'Cubism' AND sale_date >= '2010-01-01'; |
How many patients were treated with CBT in Canada in 2019? | CREATE SCHEMA mental_health; USE mental_health; CREATE TABLE treatments (patient_id INT,treatment_type VARCHAR(50),treatment_date DATE,country VARCHAR(50)); INSERT INTO treatments VALUES (1,'CBT','2019-01-01','Canada'); | SELECT COUNT(*) FROM treatments WHERE treatment_type = 'CBT' AND country = 'Canada' AND treatment_date LIKE '2019%'; |
Which sustainable food trends have gained popularity in the UK in the last 5 years? | CREATE TABLE FoodTrends (trend_name VARCHAR(50),year_of_introduction INT,popularity_score INT,country VARCHAR(50)); INSERT INTO FoodTrends (trend_name,year_of_introduction,popularity_score,country) VALUES ('Vertical Farming',2016,80,'UK'),('Plant-based Meat Substitutes',2017,85,'UK'),('Zero-waste Grocery Stores',2018,75,'UK'),('Regenerative Agriculture',2019,70,'UK'),('Edible Packaging',2020,65,'UK'); | SELECT trend_name, year_of_introduction, popularity_score FROM FoodTrends WHERE country = 'UK' AND year_of_introduction >= 2016; |
Insert new defense project record for 'Project X' in the Middle East on 2023-02-15 with a budget of $25 million. | CREATE TABLE DefenseProjects (id INT,project_name VARCHAR(100),region VARCHAR(50),start_date DATE,end_date DATE,budget FLOAT); | INSERT INTO DefenseProjects (project_name, region, start_date, end_date, budget) VALUES ('Project X', 'Middle East', '2023-02-15', '2023-12-31', 25000000); |
What is the average carbon offset for initiatives in the 'carbon_offset_initiatives' table? | CREATE TABLE carbon_offset_initiatives (initiative_id INT,location TEXT,carbon_offset_tons FLOAT); INSERT INTO carbon_offset_initiatives (initiative_id,location,carbon_offset_tons) VALUES (1,'Toronto',500),(2,'Montreal',700),(3,'Vancouver',300); | SELECT AVG(carbon_offset_tons) FROM carbon_offset_initiatives; |
What is the total number of volunteers for the 'Education' department in the 'Volunteers' table? | CREATE TABLE Volunteers (id INT,department VARCHAR(20),registered_date DATE); INSERT INTO Volunteers (id,department,registered_date) VALUES (1,'Animals','2021-01-01'),(2,'Education','2021-02-01'); | SELECT COUNT(*) FROM Volunteers WHERE department = 'Education' |
Insert a new record into the Games table with the title 'CyberSphere', genre 'Action', and platform 'PC'. | CREATE TABLE Games (GameID INT,Title VARCHAR(50),Genre VARCHAR(20),Platform VARCHAR(10)); | INSERT INTO Games (GameID, Title, Genre, Platform) VALUES (1, 'CyberSphere', 'Action', 'PC'); |
What is the average billing amount per case, by attorney? | CREATE TABLE Cases (CaseID INT,CaseType VARCHAR(50)); INSERT INTO Cases (CaseID,CaseType) VALUES (1,'Civil'); INSERT INTO Cases (CaseID,CaseType) VALUES (2,'Criminal'); CREATE TABLE CaseBilling (CaseBillingID INT,CaseID INT,BillingID INT); INSERT INTO CaseBilling (CaseBillingID,CaseID,BillingID) VALUES (1,1,1); INSERT INTO CaseBilling (CaseBillingID,CaseID,BillingID) VALUES (2,1,2); INSERT INTO CaseBilling (CaseBillingID,CaseID,BillingID) VALUES (3,2,3); | SELECT AT.Name, AVG(B.Amount) AS AvgBillingPerCase FROM Attorneys AT JOIN Assignments A ON AT.AttorneyID = A.AttorneyID JOIN CaseBilling CB ON A.AssignmentID = CB.AssignmentID JOIN Billing B ON CB.BillingID = B.BillingID JOIN Cases C ON CB.CaseID = C.CaseID GROUP BY AT.Name; |
Show the total fare collected from the payments table, grouped by vehicle type from the vehicles table | CREATE TABLE payments (payment_id INT,payment_amount DECIMAL(5,2),vehicle_id INT); INSERT INTO payments (payment_id,payment_amount,vehicle_id) VALUES (1,2.75,1000),(2,3.50,1001),(3,2.50,1000),(4,4.25,1003),(5,1.75,1002),(6,3.00,1001); CREATE TABLE vehicles (vehicle_id INT,vehicle_type VARCHAR(50)); INSERT INTO vehicles (vehicle_id,vehicle_type) VALUES (1000,'Bus'),(1001,'Tram'),(1002,'Bus'),(1003,'Tram'),(1004,'Trolleybus'); | SELECT v.vehicle_type, SUM(p.payment_amount) FROM payments p JOIN vehicles v ON p.vehicle_id = v.vehicle_id GROUP BY v.vehicle_type; |
What is the average citizen satisfaction score for CityH? | CREATE TABLE City_Satisfaction (City VARCHAR(20),Satisfaction_Score INT); INSERT INTO City_Satisfaction (City,Satisfaction_Score) VALUES ('CityH',7); INSERT INTO City_Satisfaction (City,Satisfaction_Score) VALUES ('CityH',8); INSERT INTO City_Satisfaction (City,Satisfaction_Score) VALUES ('CityH',6); | SELECT City, AVG(Satisfaction_Score) AS 'Average Citizen Satisfaction Score' FROM City_Satisfaction WHERE City = 'CityH' GROUP BY City; |
What is the average production of wells in the South China Sea? | CREATE TABLE wells (well_id INT,name VARCHAR(50),location VARCHAR(50),production FLOAT); INSERT INTO wells (well_id,name,location,production) VALUES (1,'D1','South China Sea',7000),(2,'D2','South China Sea',6000),(3,'D3','South China Sea',8000); | SELECT AVG(production) FROM wells WHERE location = 'South China Sea'; |
Identify the top 3 provinces with the highest budget allocation for education and infrastructure? | CREATE TABLE provinces (province_name VARCHAR(255),budget INT); INSERT INTO provinces (province_name,budget) VALUES ('Ontario',7000000),('Quebec',6000000),('British Columbia',5000000); CREATE TABLE services (service_name VARCHAR(255),province_name VARCHAR(255),budget INT); INSERT INTO services (service_name,province_name,budget) VALUES ('education','Ontario',4000000),('education','Quebec',3000000),('education','British Columbia',2500000),('infrastructure','Ontario',2000000),('infrastructure','Quebec',1500000),('infrastructure','British Columbia',1250000); | SELECT province_name, budget FROM (SELECT province_name, SUM(budget) AS budget FROM services WHERE service_name IN ('education', 'infrastructure') GROUP BY province_name ORDER BY budget DESC) AS subquery LIMIT 3; |
What is the average duration of films in the drama and action genres? | CREATE TABLE FilmLength (genre VARCHAR(20),duration INT); INSERT INTO FilmLength (genre,duration) VALUES ('Drama',120),('Drama',150),('Action',80),('Action',90); | SELECT AVG(duration) FROM FilmLength WHERE genre IN ('Drama', 'Action'); |
What are the average population sizes of animals in the 'animal_population' table that are also present in the 'endangered_animals' table? | CREATE TABLE animal_population (id INT,animal_name VARCHAR(50),population INT); CREATE TABLE endangered_animals (id INT,animal_name VARCHAR(50)); | SELECT AVG(a.population) FROM animal_population a INNER JOIN endangered_animals e ON a.animal_name = e.animal_name; |
What is the total number of mining accidents by year? | CREATE TABLE mining_accidents (accident_id INT,accident_date DATE,accident_type VARCHAR(50),method_id INT); INSERT INTO mining_accidents (accident_id,accident_date,accident_type,method_id) VALUES (1,'2020-01-01','Equipment Failure',1),(2,'2020-03-15','Gas Explosion',2),(3,'2019-12-31','Fire',3); | SELECT YEAR(accident_date), COUNT(*) FROM mining_accidents GROUP BY YEAR(accident_date); |
What is the maximum environmental impact score for a mine site in Q2 2022? | CREATE TABLE environmental_impact_q2 (site_id INT,impact_score INT,impact_date DATE); INSERT INTO environmental_impact_q2 (site_id,impact_score,impact_date) VALUES (1,65,'2022-04-10'),(2,75,'2022-05-22'),(3,80,'2022-06-30'); | SELECT MAX(impact_score) FROM environmental_impact_q2 WHERE impact_date BETWEEN '2022-04-01' AND '2022-06-30'; |
Update the amount of climate finance for a specific record in the climate_finance table. | CREATE TABLE climate_finance (id INT,project_location VARCHAR(20),finance_type VARCHAR(20),amount INT,finance_year INT); INSERT INTO climate_finance (id,project_location,finance_type,amount,finance_year) VALUES (1,'Africa','Government Grants',500000,2015); | UPDATE climate_finance SET amount = 600000 WHERE id = 1; |
How many streams did the 2021 album release 'Sour' by Olivia Rodrigo receive in its first week? | CREATE TABLE sour_streams (week INT,streams_in_week INT); INSERT INTO sour_streams (week,streams_in_week) VALUES (1,250000),(2,230000),(3,220000); | SELECT streams_in_week FROM sour_streams WHERE week = 1; |
What is the total number of peacekeeping operations in each continent, ordered by the number of operations in descending order? | CREATE TABLE peacekeeping_operations_continents (id INT,operation VARCHAR(50),continent VARCHAR(50)); INSERT INTO peacekeeping_operations_continents (id,operation,continent) VALUES (1,'Operation United Nations Mission in South Sudan','Africa'),(2,'Operation United Nations Assistance Mission in Somalia','Africa'),(3,'Operation United Nations Multidimensional Integrated Stabilization Mission in Mali','Africa'),(4,'Operation United Nations Peacekeeping Force in Cyprus','Europe'),(5,'Operation United Nations Disengagement Observer Force','Asia'),(6,'Operation United Nations Mission in the Republic of South Sudan','Africa'),(7,'Operation United Nations Mission in Liberia','Africa'); | SELECT continent, COUNT(operation) as total_operations FROM peacekeeping_operations_continents GROUP BY continent ORDER BY total_operations DESC; |
What is the average investment amount in the gender diversity category for the past year? | CREATE TABLE investments (id INT,category VARCHAR(255),date DATE,amount FLOAT); INSERT INTO investments (id,category,date,amount) VALUES (1,'gender diversity','2021-02-15',10000),(2,'renewable energy','2020-12-21',15000),(3,'gender diversity','2021-04-03',13000); | SELECT AVG(amount) FROM investments WHERE category = 'gender diversity' AND date >= DATE_SUB(CURRENT_DATE, INTERVAL 1 YEAR); |
What is the total number of containers loaded on vessels in February 2022? | CREATE TABLE vessel_loading (vessel_type VARCHAR(50),loading_date DATE,total_containers INT); INSERT INTO vessel_loading VALUES ('VesselA','2022-02-01',500),('VesselA','2022-02-02',600),('VesselB','2022-02-01',700),('VesselB','2022-02-02',800),('VesselC','2022-02-01',800),('VesselC','2022-02-02',900); | SELECT vessel_type, SUM(total_containers) FROM vessel_loading WHERE EXTRACT(MONTH FROM loading_date) = 2 AND EXTRACT(YEAR FROM loading_date) = 2022 GROUP BY vessel_type; |
Find policyholders in 'GA' who have not filed any claims. | CREATE TABLE Policyholders (PolicyID INT,PolicyholderName TEXT,State TEXT); INSERT INTO Policyholders (PolicyID,PolicyholderName,State) VALUES (1,'John Smith','GA'),(2,'Jane Doe','NY'); CREATE TABLE Claims (ClaimID INT,PolicyID INT,ClaimAmount INT); INSERT INTO Claims (ClaimID,PolicyID,ClaimAmount) VALUES (1,1,5000),(2,1,3000),(3,2,7000); | SELECT Policyholders.* FROM Policyholders LEFT JOIN Claims ON Policyholders.PolicyID = Claims.PolicyID WHERE Claims.PolicyID IS NULL AND Policyholders.State = 'GA'; |
What is the daily revenue for tram rides in Madrid? | CREATE TABLE tram_rides(ride_date DATE,revenue FLOAT); INSERT INTO tram_rides (ride_date,revenue) VALUES ('2022-01-01',3000),('2022-01-02',3200); | SELECT ride_date, SUM(revenue) AS daily_revenue FROM tram_rides GROUP BY ride_date; |
What are the top 3 countries with the highest military expenditure as a percentage of GDP? | CREATE TABLE MilitaryExpenditure (id INT,country VARCHAR(255),military_expenditure DECIMAL(10,2),gdp DECIMAL(10,2)); INSERT INTO MilitaryExpenditure (id,country,military_expenditure,gdp) VALUES (1,'Country1',0.15,50000000),(2,'Country2',0.20,60000000),(3,'Country3',0.10,40000000),(4,'Country4',0.12,45000000); | SELECT country FROM (SELECT country, ROW_NUMBER() OVER (ORDER BY (military_expenditure / gdp) DESC) AS rank FROM MilitaryExpenditure) AS ranked_military_expenditure WHERE rank <= 3; |
What was the average energy efficiency rating in North America in 2021? | CREATE TABLE energy_efficiency (year INT,region VARCHAR(255),rating FLOAT); INSERT INTO energy_efficiency (year,region,rating) VALUES (2021,'North America',80),(2021,'South America',70),(2022,'North America',85); | SELECT AVG(rating) FROM energy_efficiency WHERE year = 2021 AND region = 'North America' |
How many wastewater treatment plants are there in Region1 with a capacity greater than 50000? | CREATE TABLE WastewaterTreatmentPlants (Id INT,Name VARCHAR(100),Location VARCHAR(100),Capacity INT,AnnualTreatmentVolume INT); INSERT INTO WastewaterTreatmentPlants (Id,Name,Location,Capacity,AnnualTreatmentVolume) VALUES (1,'Plant A','City1',50000,45000); INSERT INTO WastewaterTreatmentPlants (Id,Name,Location,Capacity,AnnualTreatmentVolume) VALUES (2,'Plant B','City2',75000,67000); INSERT INTO WastewaterTreatmentPlants (Id,Name,Location,Capacity,AnnualTreatmentVolume) VALUES (3,'Plant C','Region1',60000,54000); INSERT INTO WastewaterTreatmentPlants (Id,Name,Location,Capacity,AnnualTreatmentVolume) VALUES (4,'Plant D','Region1',45000,42000); | SELECT COUNT(*) FROM WastewaterTreatmentPlants WHERE Location = 'Region1' AND Capacity > 50000; |
How many garment factories in Ethiopia use renewable energy? | CREATE TABLE RenewableEnergy (factory VARCHAR(50),energy_source VARCHAR(50)); INSERT INTO RenewableEnergy VALUES ('Factory1','Renewable'),('Factory2','Non-Renewable'),('Factory3','Renewable'),('Factory4','Non-Renewable'); | SELECT COUNT(*) FROM RenewableEnergy WHERE energy_source = 'Renewable' AND factory LIKE '%Ethiopia%'; |
Add new indigenous community record | indigenous_communities (community_id,community_name,location_id,population,language_family) | INSERT INTO indigenous_communities (community_id, community_name, location_id, population, language_family) |
Find the average funding amount for companies founded in Canada, excluding companies that have received funding from crowdfunding platforms. | CREATE TABLE Companies (id INT,name TEXT,country TEXT); INSERT INTO Companies (id,name,country) VALUES (1,'Eh Inc','Canada'); INSERT INTO Companies (id,name,country) VALUES (2,'Maple Co','Canada'); CREATE TABLE Funding (id INT,company_id INT,investor_type TEXT,amount INT); INSERT INTO Funding (id,company_id,investor_type,amount) VALUES (1,1,'VC',6000000); INSERT INTO Funding (id,company_id,investor_type,amount) VALUES (2,1,'Angel',2500000); INSERT INTO Funding (id,company_id,investor_type,amount) VALUES (3,2,'Crowdfunding',1000000); | SELECT AVG(Funding.amount) FROM Companies INNER JOIN Funding ON Companies.id = Funding.company_id WHERE Companies.country = 'Canada' AND Funding.investor_type != 'Crowdfunding' |
What are the top 3 most popular sustainable fabrics among customers in South America? | CREATE TABLE SustainableFabrics (fabric_id INT,fabric_name VARCHAR(50),source_country VARCHAR(50),price DECIMAL(5,2),popularity INT); INSERT INTO SustainableFabrics (fabric_id,fabric_name,source_country,price,popularity) VALUES (1,'Organic Cotton','Brazil',3.50,100),(2,'Recycled Polyester','Argentina',4.25,75),(3,'Tencel','Peru',5.00,90); | SELECT fabric_name, popularity FROM SustainableFabrics WHERE source_country = 'South America' ORDER BY popularity DESC LIMIT 3; |
What is the most popular public transportation mode in Berlin? | CREATE TABLE public_transportation (transport_mode VARCHAR(50),trips INT); | SELECT transport_mode, MAX(trips) FROM public_transportation WHERE transport_mode LIKE '%Berlin%' GROUP BY transport_mode; |
What is the total budget for projects in the transportation category? | CREATE TABLE projects (id INT,name VARCHAR(255),category VARCHAR(255),budget FLOAT); INSERT INTO projects (id,name,category,budget) VALUES (1,'Road Reconstruction','Transportation',500000.00); | SELECT SUM(budget) FROM projects WHERE category = 'Transportation'; |
How many defense diplomacy events occurred in South America in 2017? | CREATE TABLE DefenseDiplomacy (id INT PRIMARY KEY,event VARCHAR(100),country VARCHAR(50),year INT,participants INT); INSERT INTO DefenseDiplomacy (id,event,country,year,participants) VALUES (1,'Joint Military Exercise','Colombia',2017,12); | SELECT COUNT(*) FROM DefenseDiplomacy WHERE country LIKE '%South America%' AND year = 2017; |
What is the total transaction value by currency for each day in the past month? | CREATE TABLE transactions (transaction_id INT,customer_id INT,amount DECIMAL(10,2),transaction_date DATE,currency VARCHAR(50)); CREATE VIEW daily_transactions AS SELECT transaction_date,SUM(amount) as total_amount FROM transactions WHERE transaction_date >= DATE_SUB(CURRENT_DATE,INTERVAL 1 MONTH) GROUP BY transaction_date; | SELECT dt.transaction_date, t.currency, SUM(t.amount) as currency_total FROM daily_transactions dt INNER JOIN transactions t ON dt.transaction_date = t.transaction_date GROUP BY dt.transaction_date, t.currency; |
What is the total budget allocated to rural hospitals and clinics in Canada, grouped by province? | CREATE TABLE hospitals_canada (id INT,name TEXT,budget INT,province TEXT); INSERT INTO hospitals_canada VALUES (1,'Rural Hospital A',1000000,'Alberta'); INSERT INTO hospitals_canada VALUES (2,'Rural Hospital B',1500000,'British Columbia'); CREATE TABLE clinics_canada (id INT,name TEXT,budget INT,province TEXT); INSERT INTO clinics_canada VALUES (1,'Rural Clinic A',300000,'Alberta'); INSERT INTO clinics_canada VALUES (2,'Rural Clinic B',400000,'British Columbia'); INSERT INTO clinics_canada VALUES (3,'Rural Clinic C',500000,'Ontario'); | SELECT province, SUM(budget) FROM hospitals_canada GROUP BY province UNION SELECT province, SUM(budget) FROM clinics_canada GROUP BY province; |
What is the success rate of support groups in Australia? | CREATE TABLE patients (patient_id INT,age INT,gender TEXT,country TEXT); INSERT INTO patients (patient_id,age,gender,country) VALUES (1,35,'Male','Australia'); INSERT INTO patients (patient_id,age,gender,country) VALUES (2,42,'Female','Australia'); CREATE TABLE treatments (treatment_id INT,patient_id INT,treatment_type TEXT,outcome TEXT); INSERT INTO treatments (treatment_id,patient_id,treatment_type,outcome) VALUES (1,1,'Support Group','Success'); INSERT INTO treatments (treatment_id,patient_id,treatment_type,outcome) VALUES (2,2,'Support Group','Failure'); | SELECT ROUND(100.0 * COUNT(CASE WHEN outcome = 'Success' THEN 1 END) / COUNT(*), 2) AS success_rate FROM treatments JOIN patients ON patients.patient_id = treatments.patient_id WHERE patients.country = 'Australia' AND treatments.treatment_type = 'Support Group'; |
How many companies were founded by individuals who identify as LGBTQIA+ each year? | CREATE TABLE Companies (id INT,name VARCHAR(50),industry VARCHAR(50),country VARCHAR(50),founding_year INT,founder_lgbtqia VARCHAR(10)); INSERT INTO Companies (id,name,industry,country,founding_year,founder_lgbtqia) VALUES (1,'TechFair','Tech','USA',2019,'Yes'); INSERT INTO Companies (id,name,industry,country,founding_year,founder_lgbtqia) VALUES (2,'InnoPower','Tech','USA',2018,'No'); | SELECT founding_year, COUNT(*) as lgbtqia_count FROM Companies WHERE founder_lgbtqia = 'Yes' GROUP BY founding_year; |
What is the average risk score for investments in the healthcare sector? | CREATE TABLE investments (sector VARCHAR(50),risk_score INT); INSERT INTO investments (sector,risk_score) VALUES ('Education',3),('Healthcare',4),('Housing',2),('Employment',5),('Criminal Justice',3); | SELECT AVG(risk_score) as avg_risk_score FROM investments WHERE sector = 'Healthcare'; |
What is the average investment size in the poverty reduction sector? | CREATE TABLE investments (id INT,sector VARCHAR(20),amount DECIMAL(10,2)); INSERT INTO investments (id,sector,amount) VALUES (1,'education',15000.00),(2,'poverty reduction',18000.00),(3,'education',22000.00); | SELECT AVG(amount) FROM investments WHERE sector = 'poverty reduction'; |
How many unique volunteers worked on the 'Food Security' and 'Environment' programs? | CREATE TABLE volunteers (id INT,program VARCHAR(255)); INSERT INTO volunteers (id,program) VALUES (1,'Food Security'),(2,'Education'),(3,'Environment'); | SELECT COUNT(DISTINCT id) FROM volunteers WHERE program IN ('Food Security', 'Environment'); |
Delete the record for circular economy initiative in Paris in 2017. | CREATE TABLE circular_economy (city VARCHAR(255),year INT,initiative VARCHAR(255)); INSERT INTO circular_economy (city,year,initiative) VALUES ('Paris',2017,'Glass waste recycling program'); | DELETE FROM circular_economy WHERE city = 'Paris' AND year = 2017; |
What is the total tonnage of cargo transported by the 'Cargo Master' vessel in the current year? | CREATE TABLE vessels (id INT,name TEXT,type TEXT);CREATE TABLE cargoes (id INT,vessel_id INT,tonnage INT); INSERT INTO vessels (id,name,type) VALUES (1,'Cargo Master','Cargo Ship'); INSERT INTO cargoes (id,vessel_id,tonnage) VALUES (1,1,10000),(2,1,15000); | SELECT SUM(cargoes.tonnage) FROM cargoes JOIN vessels ON cargoes.vessel_id = vessels.id WHERE vessels.name = 'Cargo Master' AND YEAR(cargoes.id) = YEAR(CURRENT_DATE); |
What is the average biomass of fish for each farming location? | CREATE TABLE farm_locations (location VARCHAR,fish_id INT); CREATE TABLE fish_stock (fish_id INT,species VARCHAR,biomass FLOAT); INSERT INTO farm_locations (location,fish_id) VALUES ('Location A',1),('Location B',2),('Location A',3),('Location C',4); INSERT INTO fish_stock (fish_id,species,biomass) VALUES (1,'Tilapia',500.0),(2,'Salmon',800.0),(3,'Trout',300.0),(4,'Bass',700.0); | SELECT f.location, AVG(fs.biomass) FROM farm_locations f JOIN fish_stock fs ON f.fish_id = fs.fish_id GROUP BY f.location; |
Delete an organization and all associated volunteers | CREATE TABLE organization (org_id INT,org_name TEXT); INSERT INTO organization (org_id,org_name) VALUES (1,'Volunteers Inc'); INSERT INTO organization (org_id,org_name) VALUES (2,'Helping Hands'); CREATE TABLE volunteer (vol_id INT,vol_name TEXT,org_id INT,vol_email TEXT); INSERT INTO volunteer (vol_id,vol_name,org_id,vol_email) VALUES (1,'Alice',1,'[email protected]'); INSERT INTO volunteer (vol_id,vol_name,org_id,vol_email) VALUES (2,'Bob',1,'[email protected]'); INSERT INTO volunteer (vol_id,vol_name,org_id,vol_email) VALUES (3,'Charlie',2,'[email protected]'); | DELETE FROM volunteer WHERE org_id = 1; DELETE FROM organization WHERE org_id = 1; |
Identify dishes with an average price above the overall average price. | CREATE TABLE menu(dish VARCHAR(255),category VARCHAR(255),price DECIMAL(5,2)); INSERT INTO menu(dish,category,price) VALUES ('Tofu Stir Fry','Starter',9.99),('Lentil Soup','Starter',7.99),('Chickpea Curry','Main',12.99),('Tofu Curry','Main',13.99),('Quinoa Salad','Side',6.99); | SELECT dish, category, price FROM menu WHERE price > (SELECT AVG(price) FROM menu); |
Determine the percentage of time vessels with diesel engines spend idling | CREATE TABLE VESSEL_OPERATION (id INT,vessel_name VARCHAR(50),propulsion VARCHAR(50),status VARCHAR(50),timestamp TIMESTAMP); | SELECT 100.0 * COUNT(CASE WHEN propulsion = 'diesel' AND status = 'idle' THEN 1 END) / COUNT(*) FROM VESSEL_OPERATION WHERE propulsion = 'diesel'; |
List all the sustainable tourism activities in Portugal and their local economic impact. | CREATE TABLE SustainableTourismActivities (activity_id INT,activity_name TEXT,country TEXT,local_economic_impact FLOAT); INSERT INTO SustainableTourismActivities (activity_id,activity_name,country,local_economic_impact) VALUES (1,'Biking Tour','Portugal',12000.0),(2,'Hiking Adventure','Portugal',15000.0); | SELECT * FROM SustainableTourismActivities WHERE country = 'Portugal'; |
What are the sales figures for cruelty-free certified cosmetics in the UK market? | CREATE TABLE products (product_id INT,product_name VARCHAR(100),sales INT,certification VARCHAR(20)); INSERT INTO products (product_id,product_name,sales,certification) VALUES (1,'Lipstick A',5000,'cruelty-free'),(2,'Mascara B',7000,'not_certified'),(3,'Foundation C',8000,'cruelty-free'); CREATE TABLE countries (country_code CHAR(2),country_name VARCHAR(50)); INSERT INTO countries (country_code,country_name) VALUES ('UK','United Kingdom'); | SELECT sales FROM products WHERE certification = 'cruelty-free' AND country_code = 'UK'; |
How many traffic accidents occurred in New York in 2021? | CREATE TABLE traffic_accidents (id INT,accident_date DATE,city VARCHAR(50)); INSERT INTO traffic_accidents (id,accident_date,city) VALUES (1,'2021-03-15','New York'),(2,'2021-06-20','New York'); | SELECT COUNT(*) FROM traffic_accidents WHERE accident_date >= '2021-01-01' AND accident_date < '2022-01-01' AND city = 'New York'; |
What's the maximum donation amount given by a visitor from 'Asia'? | CREATE TABLE Donations (DonationID INT,VisitorID INT,Amount DECIMAL(10,2)); | SELECT MAX(d.Amount) FROM Donations d JOIN Visitors v ON d.VisitorID = v.VisitorID WHERE v.Country IN (SELECT CountryName FROM Countries WHERE Region = 'Asia'); |
What is the average playtime of 'Cosmic Racers' for players aged 25 or older? | CREATE TABLE GamePlay (PlayerID INT,GameName VARCHAR(255),Playtime INT); INSERT INTO GamePlay (PlayerID,GameName,Playtime) VALUES (1,'Cosmic Racers',120); INSERT INTO GamePlay (PlayerID,GameName,Playtime) VALUES (2,'Cosmic Racers',180); CREATE TABLE Players (PlayerID INT,PlayerAge INT,GameName VARCHAR(255)); INSERT INTO Players (PlayerID,PlayerAge,GameName) VALUES (1,27,'Cosmic Racers'); INSERT INTO Players (PlayerID,PlayerAge,GameName) VALUES (2,30,'Cosmic Racers'); | SELECT AVG(GamePlay.Playtime) FROM GamePlay JOIN Players ON GamePlay.PlayerID = Players.PlayerID WHERE Players.PlayerAge >= 25 AND GamePlay.GameName = 'Cosmic Racers'; |
What is the total value of investments in the real estate sector? | CREATE TABLE investments (id INT,investor_id INT,sector VARCHAR(20),value FLOAT); INSERT INTO investments (id,investor_id,sector,value) VALUES (1,1,'Real Estate',50000.0),(2,2,'Real Estate',75000.0),(3,3,'Technology',60000.0); | SELECT SUM(value) FROM investments WHERE sector = 'Real Estate'; |
Which freight forwarders have not had any shipments in the last 60 days? | CREATE TABLE freight_forwarders (freight_forwarder_id INT,name VARCHAR(50));CREATE TABLE forwarder_shipments (shipment_id INT,freight_forwarder_id INT,ship_date DATE); INSERT INTO freight_forwarders (freight_forwarder_id,name) VALUES (1,'ABC Logistics'),(2,'XYZ Shipping'),(3,'123 Cargo'); INSERT INTO forwarder_shipments (shipment_id,freight_forwarder_id,ship_date) VALUES (1,1,'2021-08-01'),(2,2,'2021-08-03'),(3,1,'2021-09-05'); | SELECT name FROM freight_forwarders LEFT JOIN forwarder_shipments ON freight_forwarders.freight_forwarder_id = forwarder_shipments.freight_forwarder_id WHERE forwarder_shipments.ship_date IS NULL OR forwarder_shipments.ship_date < DATE(NOW()) - INTERVAL 60 DAY; |
What is the water demand and water price by city, and how many water treatment plants serve each city? | CREATE TABLE if not exists water_demand (id INT PRIMARY KEY,city VARCHAR(50),water_demand FLOAT); CREATE TABLE if not exists water_price (id INT PRIMARY KEY,city VARCHAR(50),price FLOAT); CREATE TABLE if not exists water_treatment_plants (id INT PRIMARY KEY,city VARCHAR(50),num_treatment_plants INT); CREATE VIEW if not exists water_demand_price AS SELECT wd.city,wd.water_demand,wp.price FROM water_demand wd JOIN water_price wp ON wd.city = wp.city; | SELECT wdp.city, AVG(wdp.water_demand) as avg_water_demand, AVG(wdp.price) as avg_price, wt.num_treatment_plants FROM water_demand_price wdp JOIN water_treatment_plants wt ON wdp.city = wt.city GROUP BY wt.city; |
Identify the spacecraft that have not visited any planet? | CREATE TABLE SpacecraftVisits (spacecraft_id INT,planet VARCHAR(50),visit_date DATE); CREATE TABLE Spacecraft (id INT,name VARCHAR(50),manufacturer VARCHAR(50)); INSERT INTO Spacecraft (id,name,manufacturer) VALUES (1,'Voyager 1','SpaceCorp'),(2,'Cassini','NASA'),(3,'InSight','JPL'),(4,'Perseverance','NASA'); | SELECT Spacecraft.name FROM Spacecraft LEFT JOIN SpacecraftVisits ON Spacecraft.id = SpacecraftVisits.spacecraft_id WHERE SpacecraftVisits.planet IS NULL; |
Show the average amount spent by fans in each city | fan_stats; fan_demographics | SELECT city, AVG(total_spent) as avg_spent FROM fan_stats INNER JOIN fan_demographics ON fan_stats.fan_id = fan_demographics.id GROUP BY city; |
List all mines in Peru that mined silver in 2019 | CREATE TABLE mining_operations (id INT,mine_name TEXT,location TEXT,material TEXT,quantity INT,date DATE); INSERT INTO mining_operations (id,mine_name,location,material,quantity,date) VALUES (2,'Silver Ridge','Peru','silver',5000,'2019-01-01'); | SELECT DISTINCT mine_name FROM mining_operations WHERE material = 'silver' AND location = 'Peru' AND date = '2019-01-01'; |
What is the total cargo capacity for all vessels in the 'vessels' table that have an even ID? | CREATE TABLE vessels (vessel_id INT,vessel_name VARCHAR(50),registry VARCHAR(50),capacity INT); INSERT INTO vessels (vessel_id,vessel_name,registry,capacity) VALUES (1,'CSCL Globe','China',197500),(2,'OOCL Hong Kong','Hong Kong',210000),(3,'MSC Maya','Panama',192240); | SELECT SUM(capacity) FROM vessels WHERE MOD(vessel_id, 2) = 0; |
Get the number of pallets for the 'XYZ' warehouse | CREATE TABLE warehouse (id INT PRIMARY KEY,name VARCHAR(255),num_pallets INT); INSERT INTO warehouse (id,name,num_pallets) VALUES (1,'ABC'),(2,'XYZ'),(3,'GHI'); | SELECT num_pallets FROM warehouse WHERE name = 'XYZ'; |
Count the number of cases lost by attorneys specialized in criminal law in California. | CREATE TABLE Attorneys (AttorneyID INT,Specialization VARCHAR(255),State VARCHAR(255)); INSERT INTO Attorneys (AttorneyID,Specialization,State) VALUES (1,'Criminal Law','California'); INSERT INTO Attorneys (AttorneyID,Specialization,State) VALUES (2,'Civil Law','California'); INSERT INTO Attorneys (AttorneyID,Specialization,State) VALUES (3,'Criminal Law','Texas'); CREATE TABLE Cases (CaseID INT,AttorneyID INT,Outcome VARCHAR(255)); INSERT INTO Cases (CaseID,AttorneyID,Outcome) VALUES (1,1,'Lost'); INSERT INTO Cases (CaseID,AttorneyID,Outcome) VALUES (2,1,'Lost'); INSERT INTO Cases (CaseID,AttorneyID,Outcome) VALUES (3,2,'Won'); INSERT INTO Cases (CaseID,AttorneyID,Outcome) VALUES (4,3,'Won'); | SELECT COUNT(*) FROM Cases JOIN Attorneys ON Cases.AttorneyID = Attorneys.AttorneyID WHERE Attorneys.Specialization = 'Criminal Law' AND Attorneys.State = 'California' AND Outcome = 'Lost'; |
What is the total budget allocation per citizen in Moscow? | CREATE TABLE budget_moscow (region VARCHAR(20),budget DECIMAL(10,2)); INSERT INTO budget_moscow VALUES ('Moscow',500000.00); CREATE TABLE population (region VARCHAR(20),citizens INT); INSERT INTO population VALUES ('Moscow',12000000); | SELECT region, (SUM(budget) / (SELECT citizens FROM population WHERE region = 'Moscow')) as avg_allocation_per_citizen FROM budget_moscow GROUP BY region; |
What is the percentage of uninsured individuals in each county, in New Mexico? | CREATE TABLE healthcare_access_nm (id INT,county VARCHAR(50),insured BOOLEAN,population INT); INSERT INTO healthcare_access_nm (id,county,insured,population) VALUES (1,'Bernalillo',false,400000); INSERT INTO healthcare_access_nm (id,county,insured,population) VALUES (2,'Santa Fe',true,200000); INSERT INTO healthcare_access_nm (id,county,insured,population) VALUES (3,'Doña Ana',false,600000); | SELECT county, (SUM(CASE WHEN insured = false THEN population ELSE 0 END) / SUM(population)) * 100 as uninsured_percentage FROM healthcare_access_nm WHERE state = 'NM' GROUP BY county; |
What was the local economic impact of virtual tourism in Q2 2022 in Africa? | CREATE TABLE Region (RegionID int,RegionName varchar(50)); INSERT INTO Region (RegionID,RegionName) VALUES (1,'Africa'),(2,'Europe'),(3,'Asia'); CREATE TABLE VirtualTourism (VTID int,RegionID int,Revenue int,Quarter varchar(10),Year int); CREATE TABLE LocalEconomy (LEID int,RegionID int,Impact int); INSERT INTO VirtualTourism (VTID,RegionID,Revenue,Quarter,Year) VALUES (1,1,60000,'Q2',2022); INSERT INTO LocalEconomy (LEID,RegionID,Impact) VALUES (1,1,12000); | SELECT LocalEconomy.Impact FROM LocalEconomy JOIN Region ON LocalEconomy.RegionID = Region.RegionID JOIN VirtualTourism ON Region.RegionID = VirtualTourism.RegionID WHERE VirtualTourism.Quarter = 'Q2' AND VirtualTourism.Year = 2022 AND Region.RegionName = 'Africa'; |
What is the maximum monthly data usage for prepaid mobile customers in the state of New York? | CREATE TABLE mobile_subscribers (subscriber_id INT,data_usage FLOAT,state VARCHAR(20)); INSERT INTO mobile_subscribers (subscriber_id,data_usage,state) VALUES (1,3.5,'New York'),(2,4.2,'New York'),(3,3.8,'California'); | SELECT MAX(data_usage) FROM mobile_subscribers WHERE state = 'New York' AND subscription_type = 'prepaid'; |
Calculate the average sale price for each cuisine | CREATE TABLE sales (sale_id INT,dish_id INT,sale_price DECIMAL(5,2),country VARCHAR(255)); INSERT INTO sales (sale_id,dish_id,sale_price,country) VALUES (1,1,9.99,'USA'),(2,3,7.99,'Mexico'),(3,2,12.99,'USA'),(4,3,11.99,'Mexico'),(5,1,10.99,'USA'); CREATE TABLE dishes (dish_id INT,dish_name VARCHAR(255),cuisine VARCHAR(255)); INSERT INTO dishes (dish_id,dish_name,cuisine) VALUES (1,'Quinoa Salad','Mediterranean'),(2,'Chicken Caesar Wrap','Mediterranean'),(3,'Tacos','Mexican'); | SELECT c.cuisine, AVG(s.sale_price) as avg_sale_price FROM sales s INNER JOIN dishes d ON s.dish_id = d.dish_id INNER JOIN (SELECT cuisine FROM dishes GROUP BY cuisine) c ON d.cuisine = c.cuisine GROUP BY c.cuisine; |
List the types of fish and their quantities that are farmed in each country using sustainable methods, excluding fish from Canada. | CREATE TABLE FarmI (species VARCHAR(20),country VARCHAR(20),quantity INT,farming_method VARCHAR(20)); INSERT INTO FarmI (species,country,quantity,farming_method) VALUES ('Salmon','Canada',7000,'Sustainable'); INSERT INTO FarmI (species,country,quantity,farming_method) VALUES ('Trout','Canada',4000,'Sustainable'); INSERT INTO FarmI (species,country,quantity,farming_method) VALUES ('Salmon','Norway',6000,'Sustainable'); INSERT INTO FarmI (species,country,quantity,farming_method) VALUES ('Trout','Norway',3000,'Sustainable'); INSERT INTO FarmI (species,country,quantity,farming_method) VALUES ('Herring','Scotland',2500,'Sustainable'); | SELECT country, species, SUM(quantity) FROM FarmI WHERE farming_method = 'Sustainable' AND country != 'Canada' GROUP BY country, species; |
What is the number of drugs approved in each market that have R&D expenditures greater than 5000000? | CREATE TABLE r_and_d_expenditures (drug_name TEXT,expenditures INTEGER); INSERT INTO r_and_d_expenditures (drug_name,expenditures) VALUES ('DrugA',5000000); INSERT INTO r_and_d_expenditures (drug_name,expenditures) VALUES ('DrugB',6000000); INSERT INTO r_and_d_expenditures (drug_name,expenditures) VALUES ('DrugC',4000000); CREATE TABLE drug_approval (drug_name TEXT,market TEXT,approval_date DATE); INSERT INTO drug_approval (drug_name,market,approval_date) VALUES ('DrugA','US','2016-01-01'); INSERT INTO drug_approval (drug_name,market,approval_date) VALUES ('DrugB','Canada','2017-04-20'); INSERT INTO drug_approval (drug_name,market,approval_date) VALUES ('DrugC','Mexico','2018-12-31'); | SELECT drug_approval.market, COUNT(DISTINCT drug_approval.drug_name) FROM drug_approval JOIN r_and_d_expenditures ON drug_approval.drug_name = r_and_d_expenditures.drug_name WHERE r_and_d_expenditures.expenditures > 5000000 GROUP BY drug_approval.market; |
Add a new author, 'Sofia Rodriguez', to the 'authors' table | CREATE TABLE authors (author_id INT PRIMARY KEY,first_name VARCHAR(50),last_name VARCHAR(50)); | INSERT INTO authors (first_name, last_name) VALUES ('Sofia', 'Rodriguez'); |
How many test flights were conducted by Blue Origin in 2019? | CREATE TABLE Test_Flights (id INT,name VARCHAR(50),manufacturer VARCHAR(50),test_date DATE); INSERT INTO Test_Flights (id,name,manufacturer,test_date) VALUES (1,'New Shepard','Blue Origin','2019-01-11'),(2,'New Glenn','Blue Origin','2020-01-11'),(3,'Test Flight','NASA','2021-01-11'); | SELECT COUNT(*) FROM Test_Flights WHERE manufacturer = 'Blue Origin' AND YEAR(test_date) = 2019; |
For each store, what is the percentage of garments sold that are from a specific category (e.g., 'Tops')? | CREATE TABLE ProductCategories (ProductID INT,Category VARCHAR(50)); INSERT INTO ProductCategories (ProductID,Category) VALUES (1,'Tops'),(2,'Bottoms'),(3,'Accessories'); | SELECT StoreID, (SUM(CASE WHEN Category = 'Tops' THEN QuantitySold ELSE 0 END) * 100.0 / SUM(QuantitySold)) AS PercentageOfTopsSold FROM Sales JOIN ProductCategories ON Sales.ProductID = ProductCategories.ProductID GROUP BY StoreID; |
What is the success rate of each space agency in terms of successful space missions? | CREATE TABLE SpaceAgencies (id INT,name VARCHAR(255),successful_missions INT,total_missions INT); INSERT INTO SpaceAgencies (id,name,successful_missions,total_missions) VALUES (1,'NASA',100,105); INSERT INTO SpaceAgencies (id,name,successful_missions,total_missions) VALUES (2,'ESA',80,85); | SELECT name, (successful_missions * 100 / total_missions) AS success_rate FROM SpaceAgencies; |
What is the average sea surface temperature in the South Pacific Ocean in the last 5 years? | CREATE TABLE sea_temperature (id INT,year INT,month INT,region TEXT,temperature FLOAT); INSERT INTO sea_temperature (id,year,month,region,temperature) VALUES (1,2017,1,'South Pacific Ocean',27.2); INSERT INTO sea_temperature (id,year,month,region,temperature) VALUES (2,2017,2,'South Pacific Ocean',27.5); | SELECT AVG(temperature) FROM sea_temperature WHERE region = 'South Pacific Ocean' AND year BETWEEN 2017 AND 2021; |
Get the names of publishers with more than 500 articles in 2021 and their respective counts. | CREATE TABLE publisher_counts (publisher TEXT,article_count INT); | SELECT publisher, article_count FROM publisher_counts WHERE article_count > 500 AND YEAR(publisher_counts.publisher) = 2021; |
What is the total billing amount for cases with a verdict of 'Not Guilty' in the year 2021? | CREATE TABLE cases (case_id INT,verdict TEXT,billing_amount INT,case_year INT); | SELECT SUM(billing_amount) FROM cases WHERE verdict = 'Not Guilty' AND case_year = 2021; |
What is the maximum temperature recorded by each space probe during its mission? | CREATE TABLE space_probes (id INT,probe_name VARCHAR(255),mission_duration INT,max_temperature FLOAT); INSERT INTO space_probes (id,probe_name,mission_duration,max_temperature) VALUES (1,'SpaceProbe1',365,200.0),(2,'SpaceProbe2',730,300.0); | SELECT probe_name, MAX(max_temperature) FROM space_probes GROUP BY probe_name; |
How many visitors attended events in the last 3 months from 'CityY'? | CREATE TABLE Visitors (visitor_id INT,name VARCHAR(255),birthdate DATE,city VARCHAR(255)); CREATE TABLE Visits (visit_id INT,visitor_id INT,event_id INT,visit_date DATE); CREATE TABLE Events (event_id INT,name VARCHAR(255),date DATE); | SELECT COUNT(DISTINCT V.visitor_id) FROM Visitors V JOIN Visits IV ON V.visitor_id = IV.visitor_id JOIN Events E ON IV.event_id = E.event_id WHERE V.city = 'CityY' AND E.date >= DATE(CURRENT_DATE) - INTERVAL 3 MONTH; |
What is the total value of defense contracts signed by company 'ABC Corp' in Q2 2020? | CREATE TABLE defense_contracts (contract_id INT,company VARCHAR(255),value FLOAT,date DATE); INSERT INTO defense_contracts (contract_id,company,value,date) VALUES (1,'ABC Corp',500000,'2020-01-01'); INSERT INTO defense_contracts (contract_id,company,value,date) VALUES (2,'XYZ Inc',750000,'2020-01-05'); | SELECT SUM(value) FROM defense_contracts WHERE company = 'ABC Corp' AND date BETWEEN '2020-04-01' AND '2020-06-30'; |
Update the landfill capacity for Texas in 2022 to 5000. | CREATE TABLE landfill_capacity(year INT,state VARCHAR(255),capacity INT); INSERT INTO landfill_capacity VALUES (2021,'Texas',4000),(2022,'Texas',0); | UPDATE landfill_capacity SET capacity = 5000 WHERE year = 2022 AND state = 'Texas'; |
Update the status of all return shipments to 'delivered' | CREATE TABLE return_shipments (id INT PRIMARY KEY,status VARCHAR(255)); INSERT INTO return_shipments (id,status) VALUES (1,'pending'),(2,'processing'); | UPDATE return_shipments SET status = 'delivered' WHERE status IN ('pending', 'processing'); |
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