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What is the total weight of all space debris?
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CREATE TABLE Space_Debris (object_name TEXT,weight FLOAT); INSERT INTO Space_Debris (object_name,weight) VALUES ('FENGYUN 1C',1000),('COSMOS 1402',6000),('Meteor 1-21',2000),('COSMOS 954',1500),('TIROS-M',130);
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SELECT SUM(weight) as total_debris_weight FROM Space_Debris;
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How many female and male faculty members were hired in the last 5 years?
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CREATE TABLE faculty (id INT,faculty_name TEXT,faculty_gender TEXT,hire_date DATE); INSERT INTO faculty (id,faculty_name,faculty_gender,hire_date) VALUES (1,'Eliot','M','2018-02-15'); INSERT INTO faculty (id,faculty_name,faculty_gender,hire_date) VALUES (2,'Fiona','F','2021-03-20');
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SELECT faculty_gender, COUNT(*) FROM faculty WHERE hire_date BETWEEN DATE_SUB(CURRENT_DATE, INTERVAL 5 YEAR) AND CURRENT_DATE GROUP BY faculty_gender
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Delete all records from crop_health table where field_id is not in (3, 5, 7)
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CREATE TABLE crop_health (field_id INT,health_score INT,measurement_timestamp DATETIME);
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DELETE FROM crop_health WHERE field_id NOT IN (3, 5, 7);
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What is the release date of the shortest Rap song?
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CREATE TABLE songs (song_id INT,release_date DATE,song_length FLOAT,genre TEXT); INSERT INTO songs VALUES (1,'2005-07-12',125.3,'Rap'),(2,'2010-02-14',200.2,'R&B'),(3,'2008-05-23',100.5,'Rap'),(4,'2012-12-31',180.1,'Hip Hop'),(5,'2011-06-20',150.0,'Rap');
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SELECT release_date FROM songs WHERE genre = 'Rap' AND song_length = (SELECT MIN(song_length) FROM songs WHERE genre = 'Rap');
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What is the average number of riders per day for each bus route in Rome?
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CREATE TABLE rome_bus (route_id INT,num_riders INT,ride_date DATE);
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SELECT route_id, AVG(num_riders) FROM rome_bus GROUP BY route_id;
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What is the total quantity of garments produced using sustainable materials in the last 6 months?
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CREATE TABLE Sustainable_Material_Garments (id INT,production_date DATE,quantity INT);
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SELECT SUM(quantity) FROM Sustainable_Material_Garments WHERE production_date >= DATEADD(month, -6, GETDATE());
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Find the company with the most electric vehicles in the ElectricVehicles table.
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CREATE TABLE ElectricVehicles (id INT,company VARCHAR(20),vehicle_type VARCHAR(20),num_vehicles INT); INSERT INTO ElectricVehicles (id,company,vehicle_type,num_vehicles) VALUES (1,'Tesla','EV',1500000),(2,'Nissan','Leaf',500000),(3,'Chevrolet','Bolt',300000),(6,'Rivian','EV',2000),(7,'Lucid','EV',5000);
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SELECT company FROM ElectricVehicles WHERE num_vehicles = (SELECT MAX(num_vehicles) FROM ElectricVehicles);
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What was the total amount donated by each organization type in 2022?
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CREATE TABLE Donations (DonationID INT,DonorID INT,DonationAmount FLOAT,DonationDate DATE,OrganizationType TEXT); INSERT INTO Donations (DonationID,DonorID,DonationAmount,DonationDate,OrganizationType) VALUES (1,1,500.00,'2022-01-01','Non-profit'),(2,2,350.00,'2022-02-14','Corporation'),(3,3,1000.00,'2022-12-31','Individual');
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SELECT OrganizationType, SUM(DonationAmount) as TotalDonation FROM Donations WHERE YEAR(DonationDate) = 2022 GROUP BY OrganizationType;
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List all the organizations in 'org_info' table located in 'New York'?
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CREATE TABLE org_info (org_name VARCHAR(50),location VARCHAR(50)); INSERT INTO org_info (org_name,location) VALUES ('XYZ Foundation','New York');
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SELECT org_name FROM org_info WHERE location = 'New York';
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What is the total number of cybersecurity incidents reported in Q1 of 2021?
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CREATE TABLE cybersecurity_incidents (id INT,incident_date DATE,incident_type VARCHAR(255)); INSERT INTO cybersecurity_incidents (id,incident_date,incident_type) VALUES (1,'2021-01-05','Data Breach'),(2,'2021-03-18','Phishing');
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SELECT COUNT(*) FROM cybersecurity_incidents WHERE incident_date BETWEEN '2021-01-01' AND '2021-03-31';
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Get the total revenue of menu items in the 'side_dishes' category
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CREATE TABLE menu_items (item_id INT,item_name TEXT,category TEXT,price DECIMAL(5,2)); INSERT INTO menu_items (item_id,item_name,category,price) VALUES (1,'Burger','entrees',9.99),(2,'Fries','side_dishes',2.50),(3,'Salad','appetizers',4.50),(4,'Fries','side_dishes',3.50);
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SELECT SUM(price) FROM menu_items WHERE category = 'side_dishes';
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What is the total amount of research grants awarded by country?
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CREATE TABLE research_grants (id INT,student_id INT,year INT,amount DECIMAL(10,2),country VARCHAR(50)); INSERT INTO research_grants VALUES (1,1,2021,10000,'USA'); INSERT INTO research_grants VALUES (2,2,2020,12000,'Canada'); INSERT INTO research_grants VALUES (3,3,2021,15000,'Mexico');
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SELECT r.country, SUM(r.amount) FROM research_grants r GROUP BY r.country;
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Which animal species have never been admitted to the rehabilitation center?
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CREATE TABLE animal_species (species_id INT,species_name VARCHAR(255)); INSERT INTO animal_species (species_id,species_name) VALUES (1,'Tiger'),(2,'Lion'),(3,'Elephant');
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SELECT species_name FROM animal_species WHERE species_id NOT IN (SELECT animal_id FROM rehabilitation_center);
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What is the total revenue generated by mobile games in 2022?
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CREATE TABLE game_sales (id INT,year INT,platform VARCHAR(20),revenue INT); INSERT INTO game_sales (id,year,platform,revenue) VALUES (1,2022,'mobile',5000000),(2,2021,'pc',4000000),(3,2022,'console',3000000),(4,2021,'mobile',6000000),(5,2022,'pc',7000000),(6,2021,'console',2000000);
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SELECT SUM(revenue) FROM game_sales WHERE year = 2022 AND platform = 'mobile';
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How many bioprocess engineering jobs are available in Germany?
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CREATE SCHEMA if not exists engineering; CREATE TABLE if not exists engineering.jobs(job_id INT PRIMARY KEY,title VARCHAR(100),location VARCHAR(50),salary DECIMAL(10,2)); INSERT INTO engineering.jobs (job_id,title,location,salary) VALUES (1,'Bioprocess Engineer','Germany',80000); INSERT INTO engineering.jobs (job_id,title,location,salary) VALUES (2,'Mechanical Engineer','Germany',70000);
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SELECT COUNT(*) FROM engineering.jobs WHERE title = 'Bioprocess Engineer' AND location = 'Germany';
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Show the total carbon offsets in each sector, excluding sectors with no carbon offsets
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CREATE TABLE carbon_offsets (id INT PRIMARY KEY,sector VARCHAR(255),amount_offset INT); INSERT INTO carbon_offsets (id,sector,amount_offset) VALUES (1,'Transportation',350000); INSERT INTO carbon_offsets (id,sector,amount_offset) VALUES (2,'Energy',200000);
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SELECT sector, SUM(amount_offset) FROM carbon_offsets WHERE amount_offset IS NOT NULL GROUP BY sector;
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Find the number of unique visitors who attended events in 'New York' and 'London'.
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CREATE TABLE Events (id INT,name TEXT,location TEXT); CREATE TABLE Visitors_Events (visitor_id INT,event_id INT); INSERT INTO Events (id,name,location) VALUES (1,'Dance Performance','New York'),(2,'Film Festival','London'); INSERT INTO Visitors_Events (visitor_id,event_id) VALUES (1,1),(1,2),(3,1);
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SELECT COUNT(DISTINCT Visitors_Events.visitor_id) FROM Visitors_Events INNER JOIN Events ON Visitors_Events.event_id = Events.id WHERE Events.location IN ('New York', 'London');
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Which countries had the highest and lowest museum attendance in the last 3 years?
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CREATE TABLE Museums (MuseumID INT,MuseumName VARCHAR(50),Country VARCHAR(50)); CREATE TABLE Attendance (AttendanceID INT,MuseumID INT,Year INT,Visitors INT); INSERT INTO Museums VALUES (1,'Louvre','France'),(2,'Met','USA'),(3,'British Museum','UK'); INSERT INTO Attendance VALUES (1,1,2019,1000000),(2,1,2020,800000),(3,1,2021,900000),(4,2,2019,7000000),(5,2,2020,4000000),(6,2,2021,5000000),(7,3,2019,6000000),(8,3,2020,5000000),(9,3,2021,6500000);
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SELECT M.Country, MAX(A.Visitors) AS MaxAttendance, MIN(A.Visitors) AS MinAttendance FROM Museums M INNER JOIN Attendance A ON M.MuseumID = A.MuseumID WHERE A.Year BETWEEN 2019 AND 2021 GROUP BY M.Country;
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What is the total assets under management (AUM) for clients in the Asia-Pacific region?
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CREATE TABLE clients (client_id INT,region VARCHAR(20)); INSERT INTO clients (client_id,region) VALUES (1,'North America'),(2,'Asia-Pacific'),(3,'Europe'); CREATE TABLE assets (asset_id INT,client_id INT,value DECIMAL(10,2)); INSERT INTO assets (asset_id,client_id,value) VALUES (1,1,500000.00),(2,1,750000.00),(3,2,250000.00),(4,3,1000000.00);
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SELECT SUM(value) AS AUM FROM assets JOIN clients ON assets.client_id = clients.client_id WHERE clients.region = 'Asia-Pacific';
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Unpivot the data to show the total number of programs by type
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CREATE TABLE programs (id INT,name VARCHAR(50),location VARCHAR(50),type VARCHAR(50),start_date DATE,end_date DATE);
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SELECT type, SUM(value) AS Total_Programs FROM (SELECT location, type, 1 AS value FROM programs WHERE start_date <= CURDATE() AND end_date >= CURDATE()) AS subquery GROUP BY type;
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What is the trend of satellite deployment projects over the last decade?
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CREATE TABLE satellite_projects (id INT,country VARCHAR(255),manufacturer VARCHAR(255),project_start_date DATE,project_end_date DATE);
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SELECT YEAR(project_start_date) as year, COUNT(*) as num_projects FROM satellite_projects GROUP BY year ORDER BY year;
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Insert new records for a new healthcare facility 'Facility D' in 'City Y' that offers mental health services.
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CREATE TABLE HealthcareFacilities (Name VARCHAR(255),City VARCHAR(255),Specialized BOOLEAN); INSERT INTO HealthcareFacilities (Name,City,Specialized) VALUES ('Facility A','City X',TRUE),('Facility B','City X',FALSE),('Facility C','City Y',TRUE);
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INSERT INTO HealthcareFacilities (Name, City, Specialized) VALUES ('Facility D', 'City Y', TRUE);
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List union names, their membership statistics, and collective bargaining agreements that will expire before 2023?
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CREATE TABLE union_names (union_name TEXT); INSERT INTO union_names (union_name) VALUES ('Union A'),('Union B'),('Union C'),('Union D'); CREATE TABLE membership_stats (union_name TEXT,members INTEGER); INSERT INTO membership_stats (union_name,members) VALUES ('Union A',4000),('Union B',2000),('Union C',6000),('Union D',500); CREATE TABLE cb_agreements (union_name TEXT,expiration_year INTEGER); INSERT INTO cb_agreements (union_name,expiration_year) VALUES ('Union A',2023),('Union B',2025),('Union C',2024),('Union D',2025),('Union H',2022);
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SELECT union_names.union_name, membership_stats.members, cb_agreements.expiration_year FROM union_names FULL OUTER JOIN membership_stats ON union_names.union_name = membership_stats.union_name FULL OUTER JOIN cb_agreements ON union_names.union_name = cb_agreements.union_name WHERE cb_agreements.expiration_year < 2023;
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What is the maximum salary for workers in the 'construction_database' database who are members of a union?
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CREATE TABLE builders (id INT,name VARCHAR(50),salary DECIMAL(10,2),is_union_member BOOLEAN); INSERT INTO builders (id,name,salary,is_union_member) VALUES (1,'Mia',80000.00,true),(2,'Max',85000.00,true),(3,'Mel',90000.00,true);
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SELECT MAX(salary) FROM builders WHERE is_union_member = true;
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Find the average weight of fish, grouped by farm name and species.
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CREATE TABLE Farm (id INT,farm_name TEXT,species TEXT,weight FLOAT,age INT); INSERT INTO Farm (id,farm_name,species,weight,age) VALUES (1,'OceanPacific','Tilapia',500.3,2),(2,'SeaBreeze','Salmon',300.1,1),(3,'OceanPacific','Tilapia',600.5,3),(4,'FarmX','Salmon',700.2,4),(5,'OceanPacific','Salmon',800.1,5);
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SELECT farm_name, species, AVG(weight) as avg_weight FROM Farm GROUP BY farm_name, species;
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What is the average distance run by the top 10 fastest sprinters in the 100m dash event?
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CREATE TABLE athletes (id INT,name VARCHAR(50),sport VARCHAR(50),event VARCHAR(50),personal_best FLOAT); INSERT INTO athletes (id,name,sport,event,personal_best) VALUES (1,'John Doe','Athletics','100m',9.87),(2,'Jane Smith','Athletics','100m',10.12);
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SELECT AVG(personal_best) FROM (SELECT personal_best FROM athletes WHERE sport = 'Athletics' AND event = '100m' ORDER BY personal_best DESC FETCH NEXT 10 ROWS ONLY) AS subquery;
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Which are the top 3 countries with the most fair trade chocolate farms?
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CREATE TABLE chocolate_farms (id INT,farm_name TEXT,country TEXT,fair_trade BOOLEAN); INSERT INTO chocolate_farms (id,farm_name,country,fair_trade) VALUES (1,'Cocoa Paradise','Ecuador',true),(2,'Choco Haven','Ghana',true),(3,'Sweet Earth','Peru',false);
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SELECT country, COUNT(*) FROM chocolate_farms WHERE fair_trade = true GROUP BY country ORDER BY COUNT(*) DESC LIMIT 3;
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What is the minimum temperature ever recorded in the Arctic Ocean?
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CREATE TABLE ocean_temperatures (id INT,ocean TEXT,min_temp FLOAT); INSERT INTO ocean_temperatures (id,ocean,min_temp) VALUES (1,'Arctic Ocean',-50.0),(2,'Atlantic Ocean',0.0);
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SELECT MIN(min_temp) FROM ocean_temperatures WHERE ocean = 'Arctic Ocean';
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What is the total quantity of sustainable textiles sourced from Africa?
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CREATE TABLE sourcing (sourcing_id INT,textile_type VARCHAR(30),quantity INT,region VARCHAR(20)); INSERT INTO sourcing (sourcing_id,textile_type,quantity,region) VALUES (1,'Organic Cotton',5000,'Africa'),(2,'Tencel',3000,'Europe'),(3,'Bamboo',4000,'Asia');
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SELECT SUM(quantity) FROM sourcing WHERE textile_type = 'Organic Cotton' AND region = 'Africa';
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delete all records from the carbon_sequestration table where the tree_type is 'Spruce'
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CREATE TABLE carbon_sequestration (year INT,tree_type VARCHAR(255),region VARCHAR(255),sequestration_rate FLOAT);
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DELETE FROM carbon_sequestration WHERE tree_type = 'Spruce';
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What is the most common treatment approach for patients with depression in Florida?
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CREATE TABLE patients (patient_id INT,age INT,gender TEXT,treatment TEXT,state TEXT,condition TEXT); INSERT INTO patients (patient_id,age,gender,treatment,state,condition) VALUES (1,30,'Female','CBT','Texas','Anxiety'); INSERT INTO patients (patient_id,age,gender,treatment,state,condition) VALUES (2,45,'Male','DBT','California','Depression'); INSERT INTO patients (patient_id,age,gender,treatment,state,condition) VALUES (3,25,'Non-binary','Therapy','Washington','Depression');
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SELECT treatment, COUNT(*) AS count FROM patients WHERE condition = 'Depression' AND state = 'Florida' GROUP BY treatment ORDER BY count DESC LIMIT 1;
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What is the total quantity of sustainable fabric sourced from Indian suppliers?
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CREATE TABLE SustainableFabric (Brand VARCHAR(255),Supplier VARCHAR(255),Quantity INT); INSERT INTO SustainableFabric (Brand,Supplier,Quantity) VALUES ('BrandG','SupplierD',2000),('BrandH','SupplierE',2500),('BrandI','SupplierF',3000),('BrandJ','SupplierD',1500);
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SELECT SUM(Quantity) FROM SustainableFabric WHERE Supplier IN ('SupplierD', 'SupplierE', 'SupplierF');
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Find the top 5 countries with the highest average sustainability score for their manufacturers, along with the total number of manufacturers.
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CREATE TABLE manufacturers (id INT PRIMARY KEY,name VARCHAR(255),country VARCHAR(255),sustainability_score INT);
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SELECT m.country, AVG(m.sustainability_score) as avg_score, COUNT(*) as total_manufacturers, RANK() OVER (ORDER BY avg_score DESC) as rank FROM manufacturers m GROUP BY m.country HAVING rank <= 5;
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Find the total waste produced by each manufacturing plant in the first quarter of 2022, ordered from greatest to least.
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CREATE TABLE Waste (Plant VARCHAR(255),Waste_Amount INT,Waste_Date DATE); INSERT INTO Waste (Plant,Waste_Amount,Waste_Date) VALUES ('PlantA',500,'2022-01-01'),('PlantB',300,'2022-01-02'),('PlantC',700,'2022-01-03');
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SELECT Plant, SUM(Waste_Amount) AS Total_Waste FROM Waste WHERE Waste_Date BETWEEN '2022-01-01' AND '2022-03-31' GROUP BY Plant ORDER BY Total_Waste DESC;
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What is the lowest-rated eco-friendly hotel in the United Kingdom?
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CREATE TABLE Hotels (id INT,name TEXT,country TEXT,rating FLOAT,eco_friendly BOOLEAN); INSERT INTO Hotels (id,name,country,rating,eco_friendly) VALUES (1,'Eco Hotel','United Kingdom',3.8,true),(2,'Green Lodge','United Kingdom',4.2,true),(3,'Classic Hotel','United Kingdom',4.6,false);
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SELECT name, rating FROM Hotels WHERE country = 'United Kingdom' AND eco_friendly = true ORDER BY rating ASC LIMIT 1;
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Delete all marine species in the 'marine_species' table that belong to the 'Cnidaria' phylum.
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CREATE TABLE marine_species (id INT,name VARCHAR(255),phylum VARCHAR(255)); INSERT INTO marine_species (id,name,phylum) VALUES (1,'Pacific salmon','Chordata'),(2,'Hawaiian monk seal','Chordata'),(3,'Sea anemone','Cnidaria');
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DELETE FROM marine_species WHERE phylum = 'Cnidaria';
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What is the average age of policyholders with life insurance in the state of New York?
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CREATE TABLE Policyholder_Info (ID INT,Age INT,State VARCHAR(20),Insurance_Type VARCHAR(20)); INSERT INTO Policyholder_Info (ID,Age,State,Insurance_Type) VALUES (1,45,'New York','Life'),(2,35,'California','Health'),(3,60,'New York','Life'),(4,25,'Texas','Auto'),(5,50,'New York','Life'),(6,40,'California','Life');
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SELECT AVG(Age) FROM Policyholder_Info WHERE State = 'New York' AND Insurance_Type = 'Life';
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What is the average speed of electric buses in the city of Austin?
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CREATE TABLE if not exists Buses (id INT,type VARCHAR(20),city VARCHAR(20),speed FLOAT); INSERT INTO Buses (id,type,city,speed) VALUES (1,'Electric','Austin',35.6),(2,'Diesel','Austin',32.8),(3,'Electric','Austin',37.2);
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SELECT AVG(speed) FROM Buses WHERE type = 'Electric' AND city = 'Austin';
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What is the average wind speed for Sydney in the month of February 2022?
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CREATE TABLE weather (id INT,city VARCHAR(50),temperature FLOAT,wind_speed FLOAT,timestamp TIMESTAMP); INSERT INTO weather (id,city,temperature,wind_speed,timestamp) VALUES (1,'Sydney',70.2,12.5,'2022-02-01 10:00:00'); INSERT INTO weather (id,city,temperature,wind_speed,timestamp) VALUES (2,'Sydney',72.1,14.3,'2022-02-02 10:00:00');
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SELECT AVG(wind_speed) as avg_wind_speed FROM weather WHERE city = 'Sydney' AND timestamp BETWEEN '2022-02-01 00:00:00' AND '2022-02-28 23:59:59';
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What is the average years of experience for male geologists in the 'geologists' table?
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CREATE TABLE geologists (id INT,name VARCHAR(50),age INT,gender VARCHAR(10),years_of_experience INT);
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SELECT AVG(years_of_experience) FROM geologists WHERE gender = 'male';
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Determine the total value of all transactions for a specific customer in the last year.
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CREATE TABLE customer_transactions (transaction_id INT,customer_id INT,transaction_date DATE,transaction_value DECIMAL(10,2)); INSERT INTO customer_transactions (transaction_id,customer_id,transaction_date,transaction_value) VALUES (1,1,'2022-01-01',100.00),(2,1,'2022-02-01',200.00),(3,2,'2022-03-01',150.00),(4,1,'2022-04-01',300.00);
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SELECT SUM(transaction_value) FROM customer_transactions WHERE customer_id = 1 AND transaction_date >= DATE_SUB(NOW(), INTERVAL 1 YEAR);
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What is the maximum capacity of a single energy storage system in South Korea?
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CREATE TABLE EnergyStorageSystems (id INT,country VARCHAR(20),system_capacity INT); INSERT INTO EnergyStorageSystems (id,country,system_capacity) VALUES (1,'South Korea',5000),(2,'South Korea',7000),(3,'Japan',6000);
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SELECT MAX(system_capacity) FROM EnergyStorageSystems WHERE country = 'South Korea';
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What is the average credit score for customers in each state?
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CREATE TABLE customers (id INT,state VARCHAR(50),credit_score INT); INSERT INTO customers (id,state,credit_score) VALUES (1,'California',700),(2,'New York',750),(3,'Texas',650);
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SELECT state, AVG(credit_score) FROM customers GROUP BY state;
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What is the average water consumption of hemp clothing production compared to cotton?
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CREATE TABLE production (id INT,material VARCHAR(255),water_consumption INT); INSERT INTO production (id,material,water_consumption) VALUES (1,'Hemp',300),(2,'Cotton',2500);
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SELECT AVG(CASE WHEN material = 'Hemp' THEN water_consumption ELSE NULL END) as avg_hemp, AVG(CASE WHEN material = 'Cotton' THEN water_consumption ELSE NULL END) as avg_cotton FROM production;
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How many marine species are found in the Arctic region?
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CREATE TABLE marine_species (name VARCHAR(255),region VARCHAR(255),population INT); INSERT INTO marine_species (name,region,population) VALUES ('Polar Bear','Arctic',25000),('Narwhal','Arctic',10000);
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SELECT SUM(population) FROM marine_species WHERE region = 'Arctic';
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Insert a new record for a customer 'Mohamed Ahmed' from 'Middle East' region with assets value $900,000.00.
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CREATE TABLE customers (id INT,name VARCHAR(100),region VARCHAR(50),assets_value FLOAT);
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INSERT INTO customers (name, region, assets_value) VALUES ('Mohamed Ahmed', 'Middle East', 900000.00);
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Find the number of digital assets created by developers in each country in April 2022.
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CREATE TABLE developers (developer_id INT,developer_name VARCHAR(100),developer_country VARCHAR(50),date_of_birth DATE); INSERT INTO developers VALUES (1,'Alice','USA','1990-05-01'); INSERT INTO developers VALUES (2,'Bob','Canada','1985-08-12');
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SELECT developer_country, COUNT(*) as num_assets FROM developers WHERE date_of_birth BETWEEN '1980-01-01' AND '2000-12-31' AND developer_country IN ('USA', 'Canada', 'Mexico', 'Brazil', 'UK') GROUP BY developer_country;
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List all rovers that have landed on Mars and their launching countries.
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CREATE TABLE MarsRovers (RoverName TEXT,LaunchCountry TEXT);CREATE VIEW MarsLandings (RoverName) AS SELECT RoverName FROM MarsRovers WHERE MarsRovers.RoverName IN ('Spirit','Opportunity','Curiosity','Perseverance');
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SELECT MarsRovers.RoverName, MarsRovers.LaunchCountry FROM MarsRovers INNER JOIN MarsLandings ON MarsRovers.RoverName = MarsLandings.RoverName;
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Determine the total waste generation by city for the year 2021 in the province of British Columbia, Canada, separated by waste type.
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CREATE TABLE canada_waste_generation (city VARCHAR(20),province VARCHAR(20),year INT,waste_type VARCHAR(20),quantity FLOAT); INSERT INTO canada_waste_generation (city,province,year,waste_type,quantity) VALUES ('Vancouver','British Columbia',2021,'Organic',100000); INSERT INTO canada_waste_generation (city,province,year,waste_type,quantity) VALUES ('Vancouver','British Columbia',2021,'Recyclable',150000);
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SELECT city, waste_type, SUM(quantity) as total_quantity FROM canada_waste_generation WHERE province = 'British Columbia' AND year = 2021 GROUP BY city, waste_type;
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What is the total revenue for restaurants that serve sustainable menu items?
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CREATE TABLE restaurant_revenue(location VARCHAR(255),revenue INT); INSERT INTO restaurant_revenue(location,revenue) VALUES ('Location1',5000),('Location2',7000),('Location3',3000),('Restaurant4',6000),('Restaurant5',4000),('Restaurant9',9000),('Restaurant10',8000);
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SELECT SUM(revenue) FROM restaurant_revenue INNER JOIN sustainable_sourcing ON restaurant_revenue.location = sustainable_sourcing.menu_item WHERE sustainable = TRUE;
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Increase the duration of all workouts in August by 15% for members aged 30 or older.
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CREATE TABLE Members (Id INT,Age INT,Gender VARCHAR(10)); CREATE TABLE Workouts (Id INT,MemberId INT,Duration INT,Date DATE); INSERT INTO Members (Id,Age,Gender) VALUES (1,25,'Female'),(2,32,'Male'),(3,45,'Female'),(4,28,'Non-binary'); INSERT INTO Workouts (Id,MemberId,Duration,Date) VALUES (1,1,60,'2022-08-01'),(2,1,45,'2022-08-02'),(3,2,90,'2022-08-01'),(4,2,75,'2022-08-03'),(5,3,120,'2022-08-01');
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UPDATE Workouts SET Duration = Duration * 1.15 WHERE DATE_FORMAT(Date, '%Y-%m') = '2022-08' AND MemberId IN (SELECT Id FROM Members WHERE Age >= 30);
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What is the average distance for routes starting from a warehouse in CA?
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CREATE TABLE Routes (RouteID INT,OriginWarehouse INT,DestinationWarehouse INT,Distance FLOAT); INSERT INTO Routes (RouteID,OriginWarehouse,DestinationWarehouse,Distance) VALUES (1,10,20,150.3),(2,11,21,180.5),(3,12,22,120.7); CREATE TABLE Warehouses (WarehouseID INT,State VARCHAR(2)); INSERT INTO Warehouses (WarehouseID,State) VALUES (10,'CA'),(11,'CA'),(12,'CA'),(20,'NY'),(21,'NY'),(22,'NY');
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SELECT AVG(Distance) FROM Routes r JOIN Warehouses w ON r.OriginWarehouse = w.WarehouseID WHERE w.State = 'CA';
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List all the Shariah-compliant financial products offered in the Asia region.
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CREATE TABLE shariah_compliant_finance (product_id INT,product_name VARCHAR(50),region VARCHAR(50)); INSERT INTO shariah_compliant_finance (product_id,product_name,region) VALUES (1,'Murabaha','Asia'),(2,'Ijara','Europe'),(3,'Musharakah','Asia');
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SELECT product_name FROM shariah_compliant_finance WHERE region = 'Asia';
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Identify the number of employees hired in each quarter for the Engineering division.
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CREATE TABLE Employee (Employee_ID INT,First_Name VARCHAR(50),Last_Name VARCHAR(50),Position VARCHAR(50),Department VARCHAR(50),Division VARCHAR(50),Hire_Date DATE); CREATE TABLE Department_Organization (Department_ID INT,Department VARCHAR(50),Division VARCHAR(50));
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SELECT DATEPART(QUARTER, Hire_Date) AS Quarter, Department, Division, COUNT(*) AS Employees_Hired FROM Employee WHERE Division = 'Engineering' GROUP BY DATEPART(QUARTER, Hire_Date), Department, Division;
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What is the total production volume for each region, and what is the percentage of the total production volume accounted for by the top 2 regions?
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CREATE TABLE production_volume (volume_id INT,well_id INT,production_year INT,production_volume FLOAT,region VARCHAR(50)); INSERT INTO production_volume (volume_id,well_id,production_year,production_volume,region) VALUES (11,7,2022,300.0,'South America'); INSERT INTO production_volume (volume_id,well_id,production_year,production_volume,region) VALUES (12,8,2023,280.5,'Europe');
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SELECT region, SUM(production_volume) as total_volume, PERCENTAGE_RANK() OVER (ORDER BY SUM(production_volume) DESC) as percentage_of_total FROM production_volume GROUP BY region ORDER BY percentage_of_total DESC FETCH FIRST 2 ROWS ONLY;
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What is the total resource depletion cost for each mine by year?
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CREATE TABLE mine (id INT,name VARCHAR(50),location VARCHAR(50)); CREATE TABLE cost (mine_id INT,year INT,cost INT);
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SELECT mine.name, cost.year, SUM(cost.cost) FROM cost JOIN mine ON cost.mine_id = mine.id GROUP BY mine.name, cost.year;
|
Which garment has the highest CO2 emission and how much is it?
|
CREATE TABLE garment (garment_id INT,type VARCHAR(50),co2_emission INT);
|
SELECT type AS highest_emission_garment, MAX(co2_emission) AS co2_emission FROM garment;
|
Which strains have been sold in more than 5 dispensaries in Oregon?
|
CREATE TABLE sales (sale_id INT,dispensary_id INT,strain VARCHAR(255),quantity INT);CREATE TABLE dispensaries (dispensary_id INT,name VARCHAR(255),state VARCHAR(255));
|
SELECT strain FROM sales JOIN dispensaries ON sales.dispensary_id = dispensaries.dispensary_id WHERE state = 'Oregon' GROUP BY strain HAVING COUNT(DISTINCT dispensary_id) > 5;
|
What is the maximum heart rate recorded during any workout for users in Australia in the last year?
|
CREATE TABLE Users (UserID INT,UserName VARCHAR(50),Country VARCHAR(50),HeartRate INT,WorkoutDate DATE);
|
SELECT MAX(HeartRate) FROM Users WHERE Country = 'Australia' AND WorkoutDate >= DATE_SUB(CURRENT_DATE, INTERVAL 1 YEAR);
|
What is the maximum monthly data usage for mobile customers in the city of San Francisco?
|
CREATE TABLE mobile_data (id INT,city VARCHAR(50),data_usage FLOAT); INSERT INTO mobile_data (id,city,data_usage) VALUES (1,'San Francisco',4.5),(2,'San Francisco',6.7),(3,'New York',3.4),(4,'San Francisco',8.9);
|
SELECT MAX(data_usage) FROM mobile_data WHERE city = 'San Francisco';
|
List all suppliers that have provided both organic and non-organic ingredients to restaurants, along with the total number of ingredients supplied by each.
|
CREATE TABLE suppliers (supplier_id INT,organic_supplier BOOLEAN); CREATE TABLE ingredients (ingredient_id INT,supplier_id INT,is_organic BOOLEAN); INSERT INTO suppliers VALUES (1,true); INSERT INTO suppliers VALUES (2,false); INSERT INTO ingredients VALUES (1,1,true); INSERT INTO ingredients VALUES (2,1,false); INSERT INTO ingredients VALUES (3,2,false);
|
SELECT s.supplier_id, COUNT(i.ingredient_id) as total_ingredients FROM suppliers s INNER JOIN ingredients i ON s.supplier_id = i.supplier_id WHERE s.organic_supplier = true OR i.is_organic = false GROUP BY s.supplier_id;
|
What is the minimum salary of workers in the 'electronics' department, grouped by country?
|
CREATE TABLE department (id INT,name TEXT); INSERT INTO department (id,name) VALUES (1,'textile'),(2,'metalworking'),(3,'electronics'); CREATE TABLE worker (id INT,salary REAL,department_id INT,country TEXT); INSERT INTO worker (id,salary,department_id,country) VALUES (1,3000,1,'France'),(2,3500,1,'France'),(3,4000,2,'Germany'),(4,4500,2,'Germany'),(5,5000,3,'USA'),(6,5200,3,'USA'),(7,5500,3,'USA');
|
SELECT country, MIN(worker.salary) FROM worker INNER JOIN department ON worker.department_id = department.id WHERE department.name = 'electronics' GROUP BY country;
|
Update the menu_item table to change the price of item_id 203 to 12.99
|
CREATE TABLE menu_item (item_id INT,item_name VARCHAR(50),category VARCHAR(20),price DECIMAL(5,2));
|
UPDATE menu_item SET price = 12.99 WHERE item_id = 203;
|
What is the average number of mental health parity violations for each community health worker in California?
|
CREATE TABLE mental_health_parity (id INT,community_health_worker_id INT,violation_count INT,state VARCHAR(50)); INSERT INTO mental_health_parity (id,community_health_worker_id,violation_count,state) VALUES (1,101,3,'California'),(2,101,2,'California'),(3,102,5,'California');
|
SELECT state, AVG(violation_count) OVER (PARTITION BY community_health_worker_id) as avg_violations FROM mental_health_parity WHERE state = 'California';
|
What is the average CO2 emission reduction achieved by renewable energy projects in Africa?
|
CREATE TABLE emission_reductions (project VARCHAR(255),region VARCHAR(255),reduction FLOAT);
|
SELECT AVG(reduction) FROM emission_reductions WHERE project = 'renewable energy' AND region = 'Africa';
|
What is the total number of participants in all language preservation programs?
|
CREATE TABLE LanguagePreservation (ProgramID int,ParticipantCount int); INSERT INTO LanguagePreservation (ProgramID,ParticipantCount) VALUES (101,45),(102,62),(103,38),(104,71),(105,54);
|
SELECT SUM(ParticipantCount) FROM LanguagePreservation;
|
What is the most expensive vegetarian menu item?
|
CREATE TABLE menu (id INT PRIMARY KEY,name VARCHAR(100),category VARCHAR(50),price DECIMAL(5,2)); INSERT INTO menu (id,name,category,price) VALUES (1,'Margherita Pizza','Pizza',9.99),(2,'Spaghetti Bolognese','Pasta',8.99),(3,'Caesar Salad','Salad',7.99),(4,'Vegetable Lasagna','Pasta',11.99);
|
SELECT name, price FROM menu WHERE category = 'Salad' OR category = 'Pasta' AND price = (SELECT MAX(price) FROM menu WHERE category = 'Salad' OR category = 'Pasta');
|
What is the average number of disinformation cases detected per month in South America since 2018?
|
CREATE TABLE disinformation (id INT,case_name VARCHAR(50),date DATE,location VARCHAR(50)); INSERT INTO disinformation (id,case_name,date,location) VALUES (1,'Case1','2018-01-01','South America'),(2,'Case2','2019-03-15','North America'),(3,'Case3','2020-12-31','Europe');
|
SELECT AVG(COUNT(*)) FROM disinformation WHERE location LIKE '%South America%' AND date BETWEEN '2018-01-01' AND '2022-12-31' GROUP BY MONTH(date);
|
Update the 'Ancient Coin' artifact description to 'An extremely rare coin from the EuropeExcavation site.'.
|
CREATE TABLE ExcavationSite (SiteID INT PRIMARY KEY,SiteName VARCHAR(100),Location VARCHAR(100),StartDate DATE,EndDate DATE);CREATE TABLE Artifact (ArtifactID INT PRIMARY KEY,SiteID INT,ArtifactName VARCHAR(100),Description TEXT,FOREIGN KEY (SiteID) REFERENCES ExcavationSite(SiteID));CREATE TABLE ArtifactType (ArtifactTypeID INT PRIMARY KEY,TypeName VARCHAR(100));CREATE TABLE ArtifactDetail (ArtifactID INT,ArtifactTypeID INT,Quantity INT,PRIMARY KEY (ArtifactID,ArtifactTypeID),FOREIGN KEY (ArtifactID) REFERENCES Artifact(ArtifactID),FOREIGN KEY (ArtifactTypeID) REFERENCES ArtifactType(ArtifactTypeID));
|
UPDATE Artifact SET Description = 'An extremely rare coin from the EuropeExcavation site.' WHERE ArtifactName = 'Ancient Coin';
|
Which events had the highest attendance from the 'Latinx' demographic in the 'Theatre' category?
|
CREATE SCHEMA if not exists arts_culture; CREATE TABLE if not exists arts_culture.events(event_id INT,event_name VARCHAR(50),event_date DATE,category VARCHAR(20)); CREATE TABLE if not exists arts_culture.attendance(attendance_id INT,event_id INT,demographic VARCHAR(10),attendee_count INT);
|
SELECT events.event_name, MAX(attendance.attendee_count) FROM arts_culture.events JOIN arts_culture.attendance ON events.event_id = attendance.event_id WHERE attendance.demographic = 'Latinx' AND events.category = 'Theatre' GROUP BY events.event_name;
|
Which city has the highest number of electric taxi rides in a month?
|
CREATE TABLE electric_taxis (taxi_id INT,ride_id INT,start_time TIMESTAMP,end_time TIMESTAMP,city VARCHAR(255));
|
SELECT city, COUNT(*) as num_rides FROM electric_taxis WHERE ride_id BETWEEN 1 AND 100000 GROUP BY city ORDER BY num_rides DESC LIMIT 1;
|
What is the total number of travel advisories issued for 'asia_pacific' region?
|
CREATE TABLE travel_advisories (region VARCHAR(50),advisory_count INT); INSERT INTO travel_advisories (region,advisory_count) VALUES ('Asia Pacific',120),('Europe',80),('Americas',150);
|
SELECT SUM(advisory_count) FROM travel_advisories WHERE region = 'Asia Pacific';
|
What is the average ESG rating for companies in the technology sector?
|
CREATE TABLE companies (id INT,name TEXT,sector TEXT,ESG_rating FLOAT); INSERT INTO companies (id,name,sector,ESG_rating) VALUES (1,'Apple','Technology',8.2),(2,'Microsoft','Technology',8.5),(3,'Tesla','Automative',7.8);
|
SELECT AVG(ESG_rating) FROM companies WHERE sector = 'Technology';
|
How many accessible technology events were held in Africa in the past year?
|
CREATE TABLE accessible_tech_events (event_location VARCHAR(255),event_date DATE); INSERT INTO accessible_tech_events (event_location,event_date) VALUES ('Kenya','2021-10-01'),('Egypt','2022-02-01'),('Nigeria','2021-06-01');
|
SELECT COUNT(*) OVER (PARTITION BY CASE WHEN event_date >= '2021-01-01' AND event_date < '2022-01-01' THEN 1 ELSE 0 END) as african_events FROM accessible_tech_events WHERE event_location LIKE 'Africa%';
|
What is the maximum budget spent on military innovation by each department?
|
CREATE TABLE DepartmentMilitaryInnovation (id INT,department VARCHAR(50),budget INT);
|
SELECT department, MAX(budget) FROM DepartmentMilitaryInnovation GROUP BY department;
|
What is the obesity rate in Oceania by country?
|
CREATE TABLE oceania (country VARCHAR(50),obesity_rate DECIMAL(3,1)); INSERT INTO oceania (country,obesity_rate) VALUES ('Australia',27.9),('New Zealand',30.8);
|
SELECT country, AVG(obesity_rate) as avg_obesity_rate FROM oceania GROUP BY country;
|
What is the average attendance for events in Texas in the 'Events' table?
|
CREATE TABLE Events (id INT,name VARCHAR(50),location VARCHAR(50),date DATE,attendance INT); INSERT INTO Events (id,name,location,date,attendance) VALUES (1,'Art Show','Texas','2020-01-01',50);
|
SELECT AVG(attendance) FROM Events WHERE location = 'Texas';
|
Calculate the total carbon offset for each smart city in the 'smart_cities' table
|
CREATE TABLE smart_cities (id INT,name VARCHAR(50),location VARCHAR(50),carbon_offset INT);
|
SELECT name, (SELECT SUM(carbon_offset) FROM smart_cities WHERE smart_cities.name = cities.name) AS total_carbon_offset FROM smart_cities AS cities;
|
Delete all records of clients who have a financial wellbeing score below 5, regardless of their country.
|
CREATE TABLE financial_wellbeing (client_id INT,financial_wellbeing_score INT); INSERT INTO financial_wellbeing (client_id,financial_wellbeing_score) VALUES (1,7),(2,3),(3,6),(4,5);
|
DELETE FROM financial_wellbeing WHERE financial_wellbeing_score < 5;
|
Count the number of unique esports events where at least one player from Asia participated, and the number of unique FPS games played in these events.
|
CREATE TABLE EsportsEvents (EventID INT,EventName VARCHAR(50)); CREATE TABLE Players (PlayerID INT,Age INT,Gender VARCHAR(10),Region VARCHAR(20)); CREATE TABLE PlayerEvent (PlayerID INT,EventID INT); CREATE TABLE Games (GameID INT,GameName VARCHAR(50),Genre VARCHAR(20)); CREATE TABLE GameEvent (GameID INT,EventID INT,GameType VARCHAR(10)); CREATE TABLE VR_Games (GameID INT,IsVR INT);
|
SELECT COUNT(DISTINCT EsportsEvents.EventID), COUNT(DISTINCT Games.GameID) FROM EsportsEvents INNER JOIN PlayerEvent ON EsportsEvents.EventID = PlayerEvent.EventID INNER JOIN Players ON PlayerEvent.PlayerID = Players.PlayerID INNER JOIN Games ON GameEvent.GameID = Games.GameID INNER JOIN GameEvent ON EsportsEvents.EventID = GameEvent.EventID INNER JOIN VR_Games ON Games.GameID = VR_Games.GameID WHERE Players.Region = 'Asia' AND Games.Genre = 'FPS';
|
Delete peacekeeping operations that were terminated before 2010.
|
CREATE TABLE Peacekeeping_Operations (id INT,operation_name VARCHAR(255),region VARCHAR(255),start_date DATE,end_date DATE,status VARCHAR(255));
|
DELETE FROM Peacekeeping_Operations WHERE status = 'Terminated' AND start_date < '2010-01-01';
|
What is the number of intelligence personnel in each department in the US government?
|
CREATE TABLE intelligence_personnel (id INT,department TEXT,position TEXT,country TEXT); INSERT INTO intelligence_personnel (id,department,position,country) VALUES (1,'CIA','Analyst','USA'),(2,'FBI','Agent','USA'),(3,'NSA','Engineer','USA');
|
SELECT i.department, COUNT(i.id) as total_personnel FROM intelligence_personnel i WHERE i.country = 'USA' GROUP BY i.department;
|
How many crime incidents were reported in the last month, categorized by day of the week and hour?
|
CREATE TABLE incidents (iid INT,incident_time TIMESTAMP,incident_type VARCHAR(255));
|
SELECT DATE_FORMAT(i.incident_time, '%W') AS day_of_week, HOUR(i.incident_time) AS hour, COUNT(i.iid) FROM incidents i WHERE i.incident_time >= DATE_SUB(CURRENT_TIMESTAMP(), INTERVAL 1 MONTH) GROUP BY day_of_week, hour;
|
What is the average transaction value for sustainable investments in the United States?
|
CREATE TABLE sustainable_investments (id INT,value DECIMAL(10,2),location VARCHAR(50)); INSERT INTO sustainable_investments (id,value,location) VALUES (1,5000,'United States'),(2,3000,'Canada'),(3,7000,'United States');
|
SELECT AVG(value) FROM sustainable_investments WHERE location = 'United States';
|
What are the top 3 countries with the most user activity on social media platform sm_platform in the year 2022, and what is the total activity for each?
|
CREATE TABLE sm_platform (country VARCHAR(50),activity INT); INSERT INTO sm_platform (country,activity) VALUES ('USA',15000),('Canada',10000),('Mexico',12000),('Brazil',18000),('Argentina',14000);
|
SELECT s.country, SUM(s.activity) as total_activity FROM sm_platform s WHERE s.activity >= 10000 AND YEAR(s.activity_date) = 2022 GROUP BY s.country ORDER BY total_activity DESC LIMIT 3;
|
What is the total number of job applicants per source, by department, for the year 2021?
|
CREATE TABLE job_applications (id INT,applicant_name VARCHAR(50),department VARCHAR(50),application_source VARCHAR(50),application_date DATE); INSERT INTO job_applications (id,applicant_name,department,application_source,application_date) VALUES (1,'Jane Doe','IT','LinkedIn','2021-02-12'); INSERT INTO job_applications (id,applicant_name,department,application_source,application_date) VALUES (2,'Bob Smith','HR','Indeed','2021-05-04');
|
SELECT department, application_source, COUNT(*) as total_applicants FROM job_applications WHERE YEAR(application_date) = 2021 GROUP BY department, application_source;
|
What is the average virtual tour engagement duration in New York City?
|
CREATE TABLE virtual_tours (tour_id INT,tour_name VARCHAR(255),city VARCHAR(255),engagement_duration INT); INSERT INTO virtual_tours (tour_id,tour_name,city,engagement_duration) VALUES (1,'Tour A','New York',60),(2,'Tour B','New York',90),(3,'Tour C','Los Angeles',45);
|
SELECT AVG(engagement_duration) FROM virtual_tours WHERE city = 'New York';
|
What is the average number of patents for companies founded by LGBTQ+ individuals in the software industry?
|
CREATE TABLE companies (id INT,name TEXT,industry TEXT,founding_year INT,founder_identity TEXT); INSERT INTO companies (id,name,industry,founding_year,founder_identity) VALUES (1,'SoftwareSolutions','Software',2016,'LGBTQ+'); INSERT INTO companies (id,name,industry,founding_year,founder_identity) VALUES (2,'TechInnovations','Technology',2017,'Straight');
|
SELECT AVG(num_patents) FROM company_details INNER JOIN companies ON company_details.company_id = companies.id WHERE companies.founder_identity = 'LGBTQ+' AND companies.industry = 'Software';
|
What is the minimum number of players for eSports events in the 'Sports' category?
|
CREATE TABLE EventPlayerCounts (event VARCHAR(100),category VARCHAR(50),players INT);
|
SELECT MIN(players) FROM EventPlayerCounts WHERE category = 'Sports';
|
What are the total quantities of materials delivered by suppliers located in CityB in the last month?
|
CREATE TABLE Suppliers (id INT,name TEXT,location TEXT);CREATE TABLE Materials (id INT,supplier_id INT,factory_id INT,material TEXT,quantity INT,date DATE);INSERT INTO Suppliers VALUES (1,'SupplierA','CityA'),(2,'SupplierB','CityB'),(3,'SupplierC','CityC');INSERT INTO Materials VALUES (1,1,5,'MaterialX',100,'2021-06-01'),(2,1,5,'MaterialY',200,'2021-07-15'),(3,2,5,'MaterialX',150,'2021-08-01'),(4,3,6,'MaterialZ',50,'2021-09-10'),(5,2,5,'MaterialY',120,'2021-10-05'),(6,1,5,'MaterialZ',80,'2021-11-12');
|
SELECT SUM(m.quantity) FROM Suppliers s INNER JOIN Materials m ON s.id = m.supplier_id WHERE s.location = 'CityB' AND m.date BETWEEN DATE_SUB(CURRENT_DATE, INTERVAL 1 MONTH) AND CURRENT_DATE;
|
What is the total investment in social impact bonds in Southeast Asia in 2019?
|
CREATE TABLE if not exists investments (investment_id INT,region VARCHAR(50),sector VARCHAR(50),amount DECIMAL(10,2),investment_year INT); INSERT INTO investments (investment_id,region,sector,amount,investment_year) VALUES (1,'Southeast Asia','Social Impact Bonds',700000,2019);
|
SELECT SUM(amount) FROM investments WHERE region = 'Southeast Asia' AND sector = 'Social Impact Bonds' AND investment_year = 2019;
|
Delete all records from the 'charging_stations' table where the 'city' is 'Seattle'
|
CREATE TABLE charging_stations (id INT,city VARCHAR(20),operator VARCHAR(20),num_chargers INT,open_date DATE);
|
DELETE FROM charging_stations WHERE city = 'Seattle';
|
Find the number of police officers hired per quarter, for the last 2 years, from 'CommunityPolicing' table.
|
CREATE TABLE CommunityPolicing (id INT,quarter INT,year INT,numOfficers INT);
|
SELECT year, quarter, SUM(numOfficers) FROM CommunityPolicing WHERE year BETWEEN (YEAR(CURRENT_DATE) - 2) AND YEAR(CURRENT_DATE) GROUP BY year, quarter;
|
Find the average temperature for each month in 2022 in the 'temperature' table.
|
CREATE TABLE temperature (year INT,month INT,avg_temp FLOAT); INSERT INTO temperature (year,month,avg_temp) VALUES (2022,1,-20.5),(2022,2,-25.0);
|
SELECT month, AVG(avg_temp) as avg_temp FROM temperature WHERE year = 2022 GROUP BY month;
|
What is the total revenue for Jazz concerts in the United States?
|
CREATE TABLE concerts (id INT,artist VARCHAR(50),genre VARCHAR(50),tickets_sold INT,revenue DECIMAL(10,2),country VARCHAR(50)); INSERT INTO concerts (id,artist,genre,tickets_sold,revenue,country) VALUES (1,'Louis Armstrong','Jazz',10000,1500000,'USA'); INSERT INTO concerts (id,artist,genre,tickets_sold,revenue,country) VALUES (2,'Miles Davis','Jazz',8000,1200000,'USA'); INSERT INTO concerts (id,artist,genre,tickets_sold,revenue,country) VALUES (3,'Duke Ellington','Jazz',9000,1350000,'USA');
|
SELECT SUM(revenue) FROM concerts WHERE genre = 'Jazz' AND country = 'USA';
|
Identify customers who made transactions in both Tokyo and Sydney.
|
CREATE TABLE customer_transactions (customer_id INT,transaction_city VARCHAR(20)); INSERT INTO customer_transactions (customer_id,transaction_city) VALUES (1,'Tokyo'),(2,'Sydney'),(3,'Tokyo'),(4,'Paris'),(5,'Sydney');
|
SELECT customer_id FROM customer_transactions WHERE transaction_city IN ('Tokyo', 'Sydney') GROUP BY customer_id HAVING COUNT(DISTINCT transaction_city) = 2;
|
Which menu items are offered by suppliers from the USA?
|
CREATE TABLE Suppliers (SupplierID INT,SupplierName VARCHAR(255),Country VARCHAR(255)); INSERT INTO Suppliers (SupplierID,SupplierName,Country) VALUES (6,'Supplier3','USA'); INSERT INTO Suppliers (SupplierID,SupplierName,Country) VALUES (7,'Supplier4','Mexico');
|
SELECT MenuItems.MenuItemName, Suppliers.SupplierName FROM MenuItems JOIN Suppliers ON MenuItems.SupplierID = Suppliers.SupplierID WHERE Suppliers.Country = 'USA'
|
What is the average age of astronauts from India?
|
CREATE TABLE Astronauts (id INT,name VARCHAR(255),country VARCHAR(255),age INT); INSERT INTO Astronauts (id,name,country,age) VALUES (1,'Rakesh Sharma','India',67); INSERT INTO Astronauts (id,name,country,age) VALUES (2,'Kalpana Chawla','India',N/A); INSERT INTO Astronauts (id,name,country,age) VALUES (3,'Sunita Williams','India',57);
|
SELECT AVG(age) FROM Astronauts WHERE country = 'India';
|
How many startups were founded in each country?
|
CREATE TABLE startups(id INT,name TEXT,country TEXT); INSERT INTO startups(id,name,country) VALUES (1,'StartupA','USA'),(2,'StartupB','Canada'),(3,'StartupC','USA'),(4,'StartupD','Mexico'),(5,'StartupE','Brazil');
|
SELECT country, COUNT(*) as num_startups FROM startups GROUP BY country;
|
Which regions have sales of products that contain allergens?
|
CREATE TABLE allergens (product_id INT,allergen_id INT,allergen_name TEXT); CREATE TABLE sales_regions_with_allergens AS SELECT sales_regions.*,allergens.allergen_id,allergens.allergen_name FROM sales_regions JOIN allergens ON sales_regions.product_id = allergens.product_id; INSERT INTO allergens VALUES (1,1,'AllergenA'),(1,2,'AllergenB'),(2,3,'AllergenC'),(3,1,'AllergenA'),(4,4,'AllergenD'),(5,2,'AllergenB'),(6,5,'AllergenE'),(7,1,'AllergenA');
|
SELECT regions.region_name FROM sales_regions_with_allergens JOIN regions ON sales_regions_with_allergens.region_id = regions.region_id GROUP BY regions.region_name HAVING COUNT(DISTINCT allergens.allergen_id) > 1
|
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