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List the unique industries for startups founded by Latinx individuals that have received Series A funding or higher.
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CREATE TABLE startup (id INT,industry TEXT,founder_demographics TEXT); INSERT INTO startup (id,industry,founder_demographics) VALUES (1,'Software','Latinx Female'),(2,'Hardware','Asian Male'),(3,'Healthcare','Latinx Non-binary'),(4,'AI','Black Female');
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SELECT DISTINCT industry FROM startup WHERE founder_demographics LIKE '%Latinx%' AND industry IN ('Series A', 'Series B', 'Series C', 'Series D', 'Series E');
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What is the average number of assists per basketball player in the 'assists' table?
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CREATE TABLE assists (assist_id INT,player_id INT,match_id INT,team_id INT,assists INT); INSERT INTO assists (assist_id,player_id,match_id,team_id,assists) VALUES (1,12,13,107,6);
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SELECT AVG(assists) FROM assists;
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Delete all records from the 'invoices' table where invoice_date is older than 6 months
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CREATE TABLE invoices (invoice_id INT,invoice_date DATE);
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DELETE FROM invoices WHERE invoice_date < (CURRENT_DATE - INTERVAL '6 months');
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Identify dishes that contribute to the least revenue
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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'); 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');
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SELECT d.dish_id, d.dish_name, SUM(s.sale_price) as revenue FROM dishes d LEFT JOIN sales s ON d.dish_id = s.dish_id GROUP BY d.dish_id, d.dish_name ORDER BY revenue ASC LIMIT 1;
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Which mental health conditions were treated most frequently in Germany during 2020?
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CREATE TABLE patients (id INT,country VARCHAR(255)); CREATE TABLE treatments (id INT,patient_id INT,treatment_date DATE); CREATE TABLE conditions (id INT,patient_id INT,condition VARCHAR(255)); INSERT INTO patients (id,country) VALUES (1,'Germany'),(2,'Germany'),(3,'Germany'),(4,'Germany'); INSERT INTO treatments (id,patient_id,treatment_date) VALUES (1,1,'2020-01-01'),(2,1,'2020-02-15'),(3,2,'2020-06-30'),(4,3,'2020-12-31'); INSERT INTO conditions (id,patient_id,condition) VALUES (1,1,'depression'),(2,1,'anxiety'),(3,2,'anxiety'),(4,3,'bipolar');
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SELECT conditions.condition, COUNT(conditions.condition) AS count FROM conditions JOIN patients ON conditions.patient_id = patients.id JOIN treatments ON patients.id = treatments.patient_id WHERE patients.country = 'Germany' AND treatments.treatment_date >= '2020-01-01' AND treatments.treatment_date < '2021-01-01' GROUP BY conditions.condition ORDER BY count DESC LIMIT 1;
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What is the total number of AI models developed in South America with an explainability score above 85?
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CREATE TABLE sa_models (model_name TEXT,region TEXT,explainability_score INTEGER); INSERT INTO sa_models (model_name,region,explainability_score) VALUES ('Model1','South America',90),('Model2','South America',80),('Model3','South America',88);
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SELECT SUM(incident_count) FROM sa_models WHERE region = 'South America' AND explainability_score > 85;
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What is the average CO2 emission of rental cars in each country, ranked by the highest emission?
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CREATE TABLE rental_cars (id INT,country VARCHAR(255),co2_emission INT); INSERT INTO rental_cars (id,country,co2_emission) VALUES (1,'USA',150),(2,'USA',180),(3,'Germany',120),(4,'Germany',130),(5,'Brazil',200),(6,'Brazil',220),(7,'India',100),(8,'India',110);
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SELECT country, AVG(co2_emission) AS avg_co2_emission, RANK() OVER (ORDER BY AVG(co2_emission) DESC) AS rank FROM rental_cars GROUP BY country ORDER BY rank;
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List all trainers who have conducted diversity and inclusion training in the USA or Canada.
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CREATE TABLE Training_Programs (Program_Name VARCHAR(50),Trainer VARCHAR(20),Location VARCHAR(20),Start_Date DATE,End_Date DATE); CREATE TABLE Trainers (Trainer_ID INT,Trainer VARCHAR(20),Specialization VARCHAR(20));
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SELECT Trainer FROM Training_Programs WHERE Program_Name LIKE '%diversity%' AND (Location = 'USA' OR Location = 'Canada') INTERSECT SELECT Trainer FROM Trainers;
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Find the total number of digital museum interactions in New York and Chicago in Q2 of 2020.
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CREATE TABLE Digital_Interactions (id INT,location VARCHAR(50),quarter INT,year INT,interaction_count INT);
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SELECT SUM(interaction_count) FROM Digital_Interactions WHERE location IN ('New York', 'Chicago') AND quarter = 2 AND year = 2020;
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What is the total transaction fee for all gold transactions?
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CREATE TABLE transactions (transaction_id INT,transaction_type VARCHAR(20),transaction_fee DECIMAL(10,2)); INSERT INTO transactions (transaction_id,transaction_type,transaction_fee) VALUES (1,'Gold',50.00),(2,'Silver',25.00);
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SELECT SUM(transaction_fee) FROM transactions WHERE transaction_type = 'Gold';
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Delete all records from the network_investments table where the investment_date is older than 3 years
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CREATE TABLE network_investments (investment_id INT,investment_type VARCHAR(50),investment_date DATE,investment_amount DECIMAL(10,2));
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DELETE FROM network_investments WHERE investment_date < (CURRENT_DATE - INTERVAL '3' YEAR);
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Show the total number of esports events for 'Counter-Strike: Global Offensive' and 'StarCraft II'
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CREATE TABLE EsportsEvents (PlayerID INT,Game VARCHAR(20),Event VARCHAR(20)); INSERT INTO EsportsEvents (PlayerID,Game,Event) VALUES (1,'Counter-Strike: Global Offensive','ESL One Cologne'),(2,'StarCraft II','WCS Global Finals'),(3,'Fortnite','World Cup');
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SELECT COUNT(DISTINCT Event) FROM EsportsEvents WHERE Game IN ('Counter-Strike: Global Offensive', 'StarCraft II')
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Which recycling rates are higher, for municipal solid waste or for industrial waste, in the European Union?
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CREATE TABLE RecyclingRates (WasteType VARCHAR(50),Region VARCHAR(50),RecyclingRate DECIMAL(5,2)); INSERT INTO RecyclingRates (WasteType,Region,RecyclingRate) VALUES ('Municipal Solid Waste','European Union',0.35),('Industrial Waste','European Union',0.70),('Municipal Solid Waste','United States',0.30),('Industrial Waste','United States',0.65);
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SELECT WasteType, RecyclingRate FROM RecyclingRates WHERE Region = 'European Union' AND WasteType IN ('Municipal Solid Waste', 'Industrial Waste') ORDER BY RecyclingRate DESC LIMIT 1;
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List space missions with duration more than the average, along with their mission names and launch dates.
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CREATE TABLE Space_Missions (Mission VARCHAR(50),Duration INT,Launch_Date DATE); INSERT INTO Space_Missions (Mission,Duration,Launch_Date) VALUES ('Mission1',123,'2021-01-01'),('Mission2',456,'2021-02-01'),('Mission3',789,'2021-03-01');
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SELECT Mission, Duration, Launch_Date FROM Space_Missions WHERE Duration > (SELECT AVG(Duration) FROM Space_Missions);
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Increase the transaction amount for the client with the highest transaction by 10%.
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CREATE TABLE clients (client_id INT,name TEXT,region TEXT,transaction_amount DECIMAL); INSERT INTO clients (client_id,name,region,transaction_amount) VALUES (1,'John Doe','Asia',500.00); INSERT INTO clients (client_id,name,region,transaction_amount) VALUES (2,'Jane Smith','Europe',600.00); INSERT INTO clients (client_id,name,region,transaction_amount) VALUES (3,'Mike Johnson','Asia',400.00);
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UPDATE clients SET transaction_amount = transaction_amount * 1.10 WHERE client_id = (SELECT client_id FROM clients WHERE transaction_amount = (SELECT MAX(transaction_amount) FROM clients));
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List the unique malware types and their affected software for the healthcare sector, sorted by malware type.
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CREATE TABLE malware (type VARCHAR(50),affected_software TEXT); INSERT INTO malware (type,affected_software) VALUES ('Ransomware','Windows 7,Windows 10');
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SELECT DISTINCT type, affected_software FROM malware WHERE type IN (SELECT type FROM malware_sectors WHERE sector = 'Healthcare') ORDER BY type;
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What is the average temperature in the Atlantic and Indian oceans?
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CREATE TABLE temperature (temp_id INT,location TEXT,temperature FLOAT); INSERT INTO temperature (temp_id,location,temperature) VALUES (1,'Atlantic',20.5),(2,'Indian',25.7);
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SELECT AVG(temperature) FROM temperature WHERE location IN ('Atlantic', 'Indian')
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What are the top 5 most common types of malicious activity in the last week?
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CREATE TABLE malicious_activity (id INT,type VARCHAR(50),timestamp DATETIME);
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SELECT type, COUNT(*) as num_occurrences FROM malicious_activity WHERE timestamp > DATE_SUB(CURRENT_DATE, INTERVAL 1 WEEK) GROUP BY type ORDER BY num_occurrences DESC LIMIT 5;
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Insert a new record into the 'Expenses' table for 'Travel Expenses'
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CREATE TABLE Expenses (expense_id INT,category VARCHAR(50),amount DECIMAL(10,2)); INSERT INTO Expenses (expense_id,category,amount) VALUES (1,'Office Supplies',100.00);
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INSERT INTO Expenses (expense_id, category, amount) VALUES (2, 'Travel Expenses', 0);
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find the number of vegan skincare products that were sold between 2019 and 2020
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CREATE TABLE VeganSkincareSales (sale_id INT,product_name TEXT,is_vegan BOOLEAN,sale_amount FLOAT,sale_date DATE); INSERT INTO VeganSkincareSales (sale_id,product_name,is_vegan,sale_amount,sale_date) VALUES (1,'Vegan Cleanser',TRUE,60.00,'2019-12-25'); INSERT INTO VeganSkincareSales (sale_id,product_name,is_vegan,sale_amount,sale_date) VALUES (2,'Natural Moisturizer',FALSE,75.00,'2020-01-15');
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SELECT COUNT(*) FROM VeganSkincareSales WHERE is_vegan = TRUE AND YEAR(sale_date) BETWEEN 2019 AND 2020;
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What is the minimum revenue per day for hotels in the UAE that have adopted cloud-based PMS?
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CREATE TABLE hotel_revenue_data_2 (hotel_id INT,country TEXT,pms_type TEXT,daily_revenue FLOAT); INSERT INTO hotel_revenue_data_2 (hotel_id,country,pms_type,daily_revenue) VALUES (1,'UAE','cloud-based',5000),(2,'UAE','cloud-based',6000),(3,'UAE','legacy',4000),(4,'Qatar','cloud-based',7000);
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SELECT MIN(daily_revenue) FROM hotel_revenue_data_2 WHERE country = 'UAE' AND pms_type = 'cloud-based';
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What is the minimum number of hospital beds per 1000 people in low-income countries?
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CREATE TABLE hospital_beds (country VARCHAR(20),beds_per_1000 INT); INSERT INTO hospital_beds (country,beds_per_1000) VALUES ('High-Income',50); INSERT INTO hospital_beds (country,beds_per_1000) VALUES ('Low-Income',10);
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SELECT MIN(beds_per_1000) FROM hospital_beds WHERE country = 'Low-Income';
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What is the percentage of female, male, and non-binary employees in the Sales department?
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CREATE TABLE EmployeeDemographics (EmployeeID int,Gender varchar(10),Department varchar(20)); INSERT INTO EmployeeDemographics (EmployeeID,Gender,Department) VALUES (1,'Female','Engineering'),(2,'Male','IT'),(3,'Non-binary','Engineering'),(4,'Female','Sales'),(5,'Male','Sales'),(6,'Female','Sales');
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SELECT Department, ROUND(COUNT(CASE WHEN Gender = 'Female' THEN 1 END) * 100.0 / COUNT(*), 1) AS FemalePercentage, ROUND(COUNT(CASE WHEN Gender = 'Male' THEN 1 END) * 100.0 / COUNT(*), 1) AS MalePercentage, ROUND(COUNT(CASE WHEN Gender = 'Non-binary' THEN 1 END) * 100.0 / COUNT(*), 1) AS NonBinaryPercentage FROM EmployeeDemographics GROUP BY Department;
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What is the total number of containers that were transported by cargo ships from Asian countries to the Port of Singapore?
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CREATE TABLE containers (container_id INT,container_size INT,ship_id INT); INSERT INTO containers (container_id,container_size,ship_id) VALUES (1,10,1),(2,15,1),(3,12,2); CREATE TABLE ships (ship_id INT,ship_name VARCHAR(100),country VARCHAR(100)); INSERT INTO ships (ship_id,ship_name,country) VALUES (1,'Asian Ship 1','Asia'),(2,'Asian Ship 2','Asia');
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SELECT COUNT(*) FROM containers JOIN ships ON containers.ship_id = ships.ship_id WHERE ships.country = 'Asia' AND ports.port_name = 'Port of Singapore';
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List all mobile subscribers with their monthly usage and network investment in the 'Africa' region.
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CREATE TABLE network_investments (id INT,country VARCHAR(50),region VARCHAR(20),investment FLOAT); INSERT INTO network_investments (id,country,region,investment) VALUES (1,'South Africa','Africa',2000000);
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SELECT mobile_subscribers.name, customer_usage.usage, network_investments.investment FROM mobile_subscribers INNER JOIN customer_usage ON mobile_subscribers.id = customer_usage.subscriber_id INNER JOIN network_investments ON mobile_subscribers.country = network_investments.country WHERE network_investments.region = 'Africa';
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What is the total revenue generated from organic menu items in the Midwest region?
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CREATE TABLE menu (menu_id INT,menu_name TEXT,menu_type TEXT,price DECIMAL,daily_sales INT,is_organic BOOLEAN,region TEXT); CREATE VIEW organic_menu AS SELECT * FROM menu WHERE is_organic = TRUE;
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SELECT SUM(price * daily_sales) AS total_revenue FROM organic_menu WHERE region = 'Midwest';
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Delete all records of bridges with a 'resilience_score' less than 80 in the 'West Coast' region.
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CREATE TABLE bridges (id INT,name TEXT,region TEXT,resilience_score FLOAT); INSERT INTO bridges (id,name,region,resilience_score) VALUES (1,'Golden Gate Bridge','West Coast',85.2),(2,'Brooklyn Bridge','East Coast',76.3),(3,'Bay Bridge','West Coast',78.1);
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DELETE FROM bridges WHERE region = 'West Coast' AND resilience_score < 80;
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How many sizes does our fashion retailer offer in total?
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CREATE TABLE sizes (id INT,product_id INT,size VARCHAR(10)); INSERT INTO sizes (id,product_id,size) VALUES (1,1001,'XS'),(2,1001,'S'),(3,1001,'M');
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SELECT COUNT(DISTINCT size) FROM sizes;
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Update the 'state' column in the 'cities' table for the city 'San Francisco' to 'CA'
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CREATE TABLE cities (id INT,name VARCHAR(50),state VARCHAR(2),population INT);
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UPDATE cities SET state = 'CA' WHERE name = 'San Francisco';
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Insert a new song into the 'songs' table
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CREATE TABLE songs (id INT PRIMARY KEY,title VARCHAR(255),artist VARCHAR(255),genre VARCHAR(255),added_date DATE);
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INSERT INTO songs (id, title, artist, genre, added_date) VALUES (1, 'La Gorce', 'Jacques Greene', 'Electronic', '2022-05-15');
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What is the minimum conservation status score for all marine species affected by ocean acidification?
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CREATE TABLE marine_species (species_name TEXT,affected_by_ocean_acidification BOOLEAN,conservation_status_score FLOAT);
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SELECT MIN(conservation_status_score) FROM marine_species WHERE affected_by_ocean_acidification = TRUE;
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What is the total number of heritage sites for each country in Asia?
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CREATE TABLE heritagesites (name VARCHAR(255),country VARCHAR(255),region VARCHAR(255)); INSERT INTO heritagesites (name,country,region) VALUES ('Taj Mahal','India','Asia'); INSERT INTO heritagesites (name,country,region) VALUES ('Angkor Wat','Cambodia','Asia');
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SELECT country, COUNT(DISTINCT name) as num_sites FROM heritagesites WHERE region = 'Asia' GROUP BY country;
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How many coastal countries have ratified the United Nations Convention on the Law of the Sea?
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CREATE TABLE unclos_ratification (id INT,country TEXT,ratified BOOLEAN); INSERT INTO unclos_ratification (id,country,ratified) VALUES (1,'United States',FALSE),(2,'Russia',TRUE);
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SELECT COUNT(*) FROM unclos_ratification WHERE ratified = TRUE;
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List all unique case types
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CREATE TABLE cases (id INT,case_number VARCHAR(20),case_type VARCHAR(10)); INSERT INTO cases (id,case_number,case_type) VALUES (1,'12345','civil'); INSERT INTO cases (id,case_number,case_type) VALUES (2,'54321','criminal'); INSERT INTO cases (id,case_number,case_type) VALUES (3,'98765','civil');
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SELECT DISTINCT case_type FROM cases;
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What are the total sales and average potency for each strain produced by cultivators in Oregon in 2021?
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CREATE TABLE cultivators (id INT,name TEXT,state TEXT); INSERT INTO cultivators (id,name,state) VALUES (1,'Cultivator X','Oregon'); INSERT INTO cultivators (id,name,state) VALUES (2,'Cultivator Y','Oregon'); CREATE TABLE strains (cultivator_id INT,name TEXT,year INT,potency INT,sales INT); INSERT INTO strains (cultivator_id,name,year,potency,sales) VALUES (1,'Strain A',2021,25,500); INSERT INTO strains (cultivator_id,name,year,potency,sales) VALUES (1,'Strain B',2021,23,700); INSERT INTO strains (cultivator_id,name,year,potency,sales) VALUES (2,'Strain C',2021,28,800);
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SELECT s.name as strain_name, c.state as cultivator_state, SUM(s.sales) as total_sales, AVG(s.potency) as average_potency FROM strains s INNER JOIN cultivators c ON s.cultivator_id = c.id WHERE c.state = 'Oregon' AND s.year = 2021 GROUP BY s.name, c.state;
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What is the total water consumption by each water treatment plant in the state of New York in the month of February in the year 2021?
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CREATE TABLE water_treatment_plant (plant_id INT,state VARCHAR(50),year INT,month INT,water_consumption FLOAT); INSERT INTO water_treatment_plant (plant_id,state,year,month,water_consumption) VALUES (10,'New York',2021,2,12345.6),(11,'New York',2021,2,23456.7),(12,'New York',2021,2,34567.8);
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SELECT plant_id, SUM(water_consumption) as total_water_consumption FROM water_treatment_plant WHERE state = 'New York' AND year = 2021 AND month = 2 GROUP BY plant_id;
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What is the average rating of sustainable hotels in each city in the United States?
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CREATE TABLE hotels (id INT,name TEXT,city TEXT,country TEXT,sustainable BOOLEAN,rating FLOAT); INSERT INTO hotels (id,name,city,country,sustainable,rating) VALUES (1,'Eco Hotel New York','New York','USA',true,4.2),(2,'Green Hotel Los Angeles','Los Angeles','USA',true,4.5);
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SELECT city, AVG(rating) FROM hotels WHERE country = 'USA' AND sustainable = true GROUP BY city;
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How many tourists visited each European country's top tourist attraction in 2020?
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CREATE TABLE top_tourist_attractions (country VARCHAR(30),attraction VARCHAR(50),visitors INT,year INT); INSERT INTO top_tourist_attractions (country,attraction,visitors,year) VALUES ('France','Eiffel Tower',7000000,2020),('Spain','Sagrada Familia',4500000,2020),('Italy','Colosseum',5000000,2020);
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SELECT country, SUM(visitors) as total_visitors FROM top_tourist_attractions WHERE year = 2020 GROUP BY country;
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What is the percentage of accidents for each aircraft model in a specific year?
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CREATE SCHEMA if not exists aerospace;CREATE TABLE if not exists aerospace.aircraft (id INT PRIMARY KEY,manufacturer VARCHAR(50),model VARCHAR(50),accidents INT,launch_year INT); INSERT INTO aerospace.aircraft (id,manufacturer,model,accidents,launch_year) VALUES (1,'Boeing','737',3,2000),(2,'Boeing','747',2,2001),(3,'Airbus','A320',6,2002),(4,'Boeing','787',1,2010),(5,'SpaceX','Crew Dragon',0,2020);
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SELECT model, launch_year, (SUM(accidents) OVER (PARTITION BY launch_year) * 100.0 / (SELECT SUM(accidents) FROM aerospace.aircraft WHERE launch_year = 2010)) as accident_percentage FROM aerospace.aircraft WHERE launch_year = 2010;
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Insert a new record for a food safety inspection
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CREATE TABLE inspections (inspection_id INT,restaurant_id INT,inspection_date DATE,violation_count INT);
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INSERT INTO inspections (inspection_id, restaurant_id, inspection_date, violation_count) VALUES (123, 456, '2022-03-01', 3);
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How many distinct suppliers provided Terbium to Japan?
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CREATE TABLE Terbium_Supply (id INT,year INT,supplier_id INT,supply_volume INT); CREATE VIEW distinct_suppliers AS SELECT DISTINCT supplier_id FROM Terbium_Supply WHERE country = 'Japan';
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SELECT COUNT(*) FROM distinct_suppliers;
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What is the combined population of animals that are present in both the 'animal_population' table and the 'habitat_preservation' view?
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CREATE VIEW habitat_preservation AS SELECT 'lion' AS animal_name,250 AS acres_preserved; CREATE TABLE animal_population (id INT,animal_name VARCHAR(50),population INT); INSERT INTO animal_population (id,animal_name,population) VALUES (1,'tiger',200),(2,'elephant',300),(3,'giraffe',150);
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SELECT animal_name, SUM(population) FROM animal_population WHERE animal_name IN (SELECT animal_name FROM habitat_preservation) GROUP BY animal_name;
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What is the average CO2 concentration in the atmosphere in Svalbard in 2021?
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CREATE TABLE CO2Concentration (location VARCHAR(50),year INT,avg_conc FLOAT); INSERT INTO CO2Concentration (location,year,avg_conc) VALUES ('Svalbard',2021,417.2);
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SELECT avg_conc FROM CO2Concentration WHERE location = 'Svalbard' AND year = 2021;
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List all suppliers from the United States that provide materials to companies with ethical manufacturing practices.
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CREATE TABLE suppliers (id INT,name TEXT,country TEXT,ethical_practices BOOLEAN); INSERT INTO suppliers (id,name,country,ethical_practices) VALUES (1,'XYZ Supplies','USA',TRUE),(2,'LMN Supplies','Canada',FALSE),(3,'OPQ Supplies','USA',TRUE); CREATE TABLE purchases (id INT,supplier_id INT,company_id INT,ethical_manufacturing BOOLEAN); INSERT INTO purchases (id,supplier_id,company_id,ethical_manufacturing) VALUES (1,1,1,TRUE),(2,2,1,FALSE),(3,3,1,TRUE);
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SELECT s.name FROM suppliers s JOIN purchases p ON s.id = p.supplier_id WHERE s.country = 'USA' AND p.ethical_manufacturing = TRUE;
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What is the maximum safety score for each AI model, grouped by model type?
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CREATE TABLE model_safety_scores (score_id INT PRIMARY KEY,model_id INT,score_date DATE,model_type VARCHAR(50),safety_score FLOAT); INSERT INTO model_safety_scores (score_id,model_id,score_date,model_type,safety_score) VALUES (1,1,'2021-01-01','Deep Learning',0.95),(2,2,'2021-02-01','Tree Based',0.92),(3,1,'2021-03-01','Deep Learning',0.98),(4,3,'2021-04-01','Logistic Regression',0.95),(5,2,'2021-05-01','Tree Based',0.98);
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SELECT model_type, MAX(safety_score) FROM model_safety_scores GROUP BY model_type;
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Insert records for new fish species that have been added to the aquarium in the past week.
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CREATE TABLE new_fish (id INT,species VARCHAR(255),water_temp FLOAT,date DATE); CREATE TABLE new_species (id INT,species VARCHAR(255),added_date DATE);
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INSERT INTO fish (id, species, water_temp, date) SELECT new_species.id, new_species.species, NULL, new_species.added_date FROM new_species WHERE new_species.added_date >= DATE_TRUNC('week', CURRENT_DATE) - INTERVAL '1 week';
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What is the average budget, in dollars, of economic diversification efforts in South Africa that were completed in 2017?
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CREATE TABLE economic_diversification_efforts (id INT,name TEXT,completion_date DATE,budget FLOAT,country TEXT); INSERT INTO economic_diversification_efforts (id,name,completion_date,budget,country) VALUES (1,'Project W','2017-06-30',35000.0,'South Africa'); INSERT INTO economic_diversification_efforts (id,name,completion_date,budget,country) VALUES (2,'Project X','2017-12-31',45000.0,'South Africa');
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SELECT AVG(budget) FROM economic_diversification_efforts WHERE YEAR(completion_date) = 2017 AND country = 'South Africa';
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What is the average monthly data usage for customers in the 18-25 age group with a mobile subscription?
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CREATE TABLE customers(id INT,name VARCHAR(50),age INT,has_mobile_subscription BOOLEAN,data_usage FLOAT);
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SELECT AVG(data_usage) FROM customers WHERE age BETWEEN 18 AND 25 AND has_mobile_subscription = TRUE;
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Which genetic research projects have received funding from investors based in Germany?
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CREATE TABLE investments (id INT,project_id INT,investor_id INT,investor_location VARCHAR(255)); INSERT INTO investments (id,project_id,investor_id,investor_location) VALUES (1,101,301,'Germany'); INSERT INTO investments (id,project_id,investor_id,investor_location) VALUES (2,102,302,'France');
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SELECT project_id FROM investments WHERE investor_location = 'Germany';
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What is the total number of community health workers by region?
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CREATE TABLE region (region_id INT,region_name VARCHAR(50)); INSERT INTO region (region_id,region_name) VALUES (1,'Northeast'),(2,'Southeast'),(3,'Midwest'),(4,'Southwest'),(5,'West'); CREATE TABLE community_health_workers (worker_id INT,worker_name VARCHAR(50),region_id INT); INSERT INTO community_health_workers (worker_id,worker_name,region_id) VALUES (1,'Aisha',1),(2,'Ben',3),(3,'Claudia',5),(4,'Doug',2),(5,'Elena',4);
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SELECT r.region_name, COUNT(chw.worker_id) as total_workers FROM community_health_workers chw JOIN region r ON chw.region_id = r.region_id GROUP BY r.region_name;
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What is the maximum safety score for models from France?
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CREATE TABLE models_france (model_id INT,name VARCHAR(255),country VARCHAR(255),safety_score FLOAT); INSERT INTO models_france (model_id,name,country,safety_score) VALUES (1,'Model1','France',0.85),(2,'Model2','France',0.92),(3,'Model3','France',0.78),(4,'Model4','France',0.88),(5,'Model5','France',0.90);
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SELECT MAX(safety_score) FROM models_france WHERE country = 'France';
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Find the forests with the tallest trees, but exclude forests with an area smaller than 200,000 hectares?
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CREATE TABLE forests (id INT,name VARCHAR(255),hectares FLOAT,country VARCHAR(255)); INSERT INTO forests (id,name,hectares,country) VALUES (1,'Amazon Rainforest',5500000.0,'Brazil'),(2,'Daintree Rainforest',120000.0,'Australia'),(3,'Yellowstone',894000.0,'USA'),(4,'Banff National Park',664000.0,'Canada'); CREATE TABLE trees (id INT,species VARCHAR(255),height FLOAT,forest_id INT); INSERT INTO trees (id,species,height,forest_id) VALUES (1,'Brazilian Rosewood',50.0,1),(2,'Southern Silky Oak',70.0,2),(3,'Douglas Fir',120.0,3),(4,'Lodgepole Pine',40.0,4); CREATE VIEW tallest_trees AS SELECT forest_id,MAX(height) as max_height FROM trees GROUP BY forest_id;
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SELECT forests.name FROM forests INNER JOIN tallest_trees ON forests.id = tallest_trees.forest_id WHERE forests.hectares > 200000;
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List the number of unique donors and total amount donated for each disaster response.
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CREATE TABLE donors (id INT,disaster_id INT,amount FLOAT); CREATE TABLE disasters (id INT,name VARCHAR(255));
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SELECT d.name, COUNT(DISTINCT donors.id) as donor_count, SUM(donors.amount) as total_donated FROM disasters d LEFT JOIN donors ON d.id = donors.disaster_id GROUP BY d.id;
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Insert a new record into the "labor_productivity" table with the following data: 'Diamond Depot', 'East Coast', 93
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CREATE TABLE labor_productivity (record_id INT PRIMARY KEY,mine_name VARCHAR(20),region VARCHAR(20),productivity_score INT);
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INSERT INTO labor_productivity (mine_name, region, productivity_score) VALUES ('Diamond Depot', 'East Coast', 93);
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Get the average water footprint for each type of plant-based milk in our database.
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CREATE TABLE PlantBasedMilks (id INT,type VARCHAR(50),water_footprint INT); INSERT INTO PlantBasedMilks (id,type,water_footprint) VALUES (1,'Almond Milk',150),(2,'Soy Milk',250),(3,'Oat Milk',130),(4,'Rice Milk',240);
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SELECT type, AVG(water_footprint) FROM PlantBasedMilks GROUP BY type;
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What is the minimum number of charging stations required for electric vehicles in India?
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CREATE TABLE charging_stations (id INT,country VARCHAR(255),charging_standard VARCHAR(255),quantity INT); INSERT INTO charging_stations (id,country,charging_standard,quantity) VALUES (1,'India','CCS',500),(2,'India','CHAdeMO',300);
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SELECT MIN(quantity) FROM charging_stations WHERE country = 'India';
|
What is the total number of companies founded by LGBTQ+ founders in the renewable energy industry?
|
CREATE TABLE company (id INT,name TEXT,founding_date DATE,industry TEXT,headquarters TEXT,lgbtq_founder BOOLEAN);
|
SELECT COUNT(*) FROM company WHERE lgbtq_founder = TRUE AND industry = 'renewable energy';
|
What is the average energy consumption per month for each hotel?
|
CREATE TABLE hotels (hotel_id INT,hotel_name TEXT,city TEXT,country TEXT,energy_consumption FLOAT); INSERT INTO hotels (hotel_id,hotel_name,city,country,energy_consumption) VALUES (1,'Hotel A','Rome','Italy',12000.0),(2,'Hotel B','Paris','France',15000.0);
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SELECT hotel_name, AVG(energy_consumption) as avg_energy_consumption FROM hotels GROUP BY hotel_name, EXTRACT(MONTH FROM timestamp);
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What is the population trend in 'population' table for China?
|
CREATE TABLE population (country VARCHAR(50),year INT,population INT);
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SELECT year, AVG(population) as avg_population FROM population WHERE country = 'China' GROUP BY year;
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What is the average weekly overtime hours worked by workers in the 'transportation' sector?
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CREATE TABLE if not exists overtime (id INT PRIMARY KEY,worker_id INT,sector VARCHAR(255),overtime_hours INT); INSERT INTO overtime (id,worker_id,sector,overtime_hours) VALUES (1,201,'transportation',5),(2,202,'transportation',10),(3,203,'manufacturing',7);
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SELECT AVG(overtime_hours) FROM overtime WHERE sector = 'transportation';
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What is the average donation amount for each donor in 2020?
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CREATE TABLE donations (donation_id INT,donor_id INT,donation_amount FLOAT,donation_date DATE); INSERT INTO donations (donation_id,donor_id,donation_amount,donation_date) VALUES (1,1,50.00,'2020-01-01'); INSERT INTO donations (donation_id,donor_id,donation_amount,donation_date) VALUES (2,2,100.00,'2020-02-03');
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SELECT donor_id, AVG(donation_amount) as avg_donation FROM donations WHERE EXTRACT(YEAR FROM donation_date) = 2020 GROUP BY donor_id;
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Display the menu items and their CO2 emissions for items with local ingredients.
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CREATE TABLE menu (menu_id INT,menu_item VARCHAR(50),ingredients_sourced_locally BOOLEAN,co2_emissions FLOAT); INSERT INTO menu (menu_id,menu_item,ingredients_sourced_locally,co2_emissions) VALUES (1,'Cheese Pizza',FALSE,2.5),(2,'Margherita Pizza',TRUE,1.8),(3,'Veggie Delight',TRUE,1.9);
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SELECT menu_item, co2_emissions FROM menu WHERE ingredients_sourced_locally = TRUE;
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What is the total funding awarded to female researchers in the Engineering department?
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CREATE TABLE researcher (id INT,name VARCHAR(255),gender VARCHAR(10),department_id INT); CREATE TABLE grant_award (id INT,researcher_id INT,amount DECIMAL(10,2));
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SELECT SUM(grant_award.amount) FROM grant_award INNER JOIN researcher ON grant_award.researcher_id = researcher.id WHERE researcher.gender = 'Female' AND researcher.department_id = 1;
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How many mental health providers are there in each county in California?
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CREATE TABLE counties (id INT,name VARCHAR(255),state VARCHAR(255)); INSERT INTO counties (id,name,state) VALUES (1,'Alameda County','California'); CREATE TABLE mental_health_providers (id INT,name VARCHAR(255),county_id INT); INSERT INTO mental_health_providers (id,name,county_id) VALUES (1,'Provider A',1);
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SELECT c.name, COUNT(m.id) FROM counties c JOIN mental_health_providers m ON c.id = m.county_id WHERE c.state = 'California' GROUP BY c.name;
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What is the maximum price of products in the 'Fair Trade' category sold by vendors in the European Union?
|
CREATE TABLE vendor_location (vendor_id INT,vendor_region VARCHAR(50)); INSERT INTO vendor_location (vendor_id,vendor_region) VALUES (1,'European Union'),(2,'United States'),(3,'Canada');
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SELECT MAX(price) FROM products JOIN sales ON products.product_id = sales.product_id JOIN vendors ON sales.vendor_id = vendors.vendor_id JOIN vendor_location ON vendors.vendor_id = vendor_location.vendor_id WHERE products.product_category = 'Fair Trade' AND vendor_location.vendor_region = 'European Union';
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What is the total number of bike trips per month?
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CREATE TABLE BikeTrips (TripID INT,TripDate DATE);
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SELECT COUNT(TripID), DATEPART(MONTH, TripDate) AS Month FROM BikeTrips GROUP BY DATEPART(MONTH, TripDate);
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Show the food items that are part of indigenous food systems but not urban agriculture programs.
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CREATE TABLE food_items (id INT,name VARCHAR(50),category VARCHAR(50)); CREATE TABLE indigenous_food_systems (id INT,food_item_id INT); CREATE TABLE urban_agriculture_programs (id INT,food_item_id INT); INSERT INTO food_items (id,name,category) VALUES (1,'Quinoa','Grains'),(2,'Amaranth','Grains'),(3,'Kale','Vegetables'),(4,'Lettuce','Vegetables'),(5,'Broccoli','Vegetables'); INSERT INTO indigenous_food_systems (id,food_item_id) VALUES (1,1),(2,2),(3,3),(4,4),(5,5); INSERT INTO urban_agriculture_programs (id,food_item_id) VALUES (1,3),(2,4),(3,5);
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SELECT name FROM food_items f WHERE f.category = 'Grains' AND id NOT IN (SELECT food_item_id FROM urban_agriculture_programs);
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Which brand has the most products certified as vegan in Australia?
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CREATE TABLE cosmetics.product_certifications (product_id INT,brand VARCHAR(50),is_vegan BOOLEAN,country VARCHAR(50)); INSERT INTO cosmetics.product_certifications (product_id,brand,is_vegan,country) VALUES (1,'Australis',true,'Australia'),(2,'Nude by Nature',false,'Australia'),(3,'modelspretty',true,'Australia'),(4,' innoxa',true,'Australia'),(5,'Ere Perez',true,'Australia');
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SELECT brand, SUM(is_vegan) as total_vegan_products FROM cosmetics.product_certifications WHERE country = 'Australia' GROUP BY brand ORDER BY total_vegan_products DESC LIMIT 1;
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What is the minimum budget allocated for transportation services?
|
CREATE TABLE TransportationBudget (Service VARCHAR(25),Budget INT); INSERT INTO TransportationBudget (Service,Budget) VALUES ('Bus',3000000),('Train',5000000),('Subway',4000000);
|
SELECT MIN(Budget) FROM TransportationBudget;
|
What is the lifelong learning progression for a randomly selected student?
|
CREATE TABLE lifelong_learning (student_id INT,course_id INT,completion_date DATE); INSERT INTO lifelong_learning VALUES (1,1001,'2015-01-01'),(1,1002,'2016-01-01');
|
SELECT student_id, course_id, LAG(completion_date, 1) OVER (PARTITION BY student_id ORDER BY completion_date) as previous_course_date FROM lifelong_learning WHERE student_id = 1;
|
List AI safety research papers published before 2018 in descending order by the number of citations.
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CREATE SCHEMA AI_Research;CREATE TABLE Safety_Papers (paper_id INT,publication_year INT,citations INT); INSERT INTO AI_Research.Safety_Papers (paper_id,publication_year,citations) VALUES (1,2016,20),(2,2018,30),(3,2017,15);
|
SELECT paper_id, citations FROM AI_Research.Safety_Papers WHERE publication_year < 2018 ORDER BY citations DESC;
|
Delete all cargo records from port 'New York' in table cargo_handling
|
CREATE TABLE cargo_handling (id INT PRIMARY KEY,cargo_id INT,port VARCHAR(20)); INSERT INTO cargo_handling (id,cargo_id,port) VALUES (1,101,'New York');
|
DELETE FROM cargo_handling WHERE port = 'New York';
|
What is the total installed solar capacity in Germany and Spain?
|
CREATE TABLE solar_capacity (country VARCHAR(20),capacity FLOAT); INSERT INTO solar_capacity (country,capacity) VALUES ('Germany',53.2),('Germany',54.1),('Spain',42.6),('Spain',43.7);
|
SELECT SUM(capacity) as total_capacity, country FROM solar_capacity GROUP BY country;
|
Update the attendance for event_id 5001
|
CREATE TABLE events (event_id INT PRIMARY KEY,event_name VARCHAR(100),event_location VARCHAR(100),start_time DATETIME,end_time DATETIME,attendance INT);
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UPDATE events SET attendance = 350 WHERE event_id = 5001;
|
What is the average size of co-owned properties in Seattle?
|
CREATE TABLE co_ownership (property_id INT,size FLOAT,city VARCHAR(20)); INSERT INTO co_ownership (property_id,size,city) VALUES (1,1200.0,'Seattle'),(2,1500.0,'NYC');
|
SELECT AVG(size) FROM co_ownership WHERE city = 'Seattle';
|
What are the unique hobbies of users who have clicked on ads about outdoor activities but have not followed any outdoor-related accounts?
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CREATE TABLE user_actions (user_id INT,action_type VARCHAR(50),hobby VARCHAR(50)); INSERT INTO user_actions (user_id,action_type,hobby) VALUES (1,'clicked_ad','hiking'),(2,'followed_account','photography'),(3,'clicked_ad','camping'),(4,'followed_account','yoga'),(5,'clicked_ad','running'),(6,'followed_account','gaming');
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SELECT hobby FROM user_actions WHERE action_type = 'clicked_ad' AND user_id NOT IN (SELECT user_id FROM user_actions WHERE action_type = 'followed_account' AND hobby LIKE '%outdoor%');
|
How many accidents were reported for each mining operation in the past year?
|
CREATE TABLE operations (id INT,name TEXT); CREATE TABLE accidents (operation_id INT,year INT,reported BOOLEAN); INSERT INTO operations (id,name) VALUES (1,'Operation A'),(2,'Operation B'),(3,'Operation C'); INSERT INTO accidents (operation_id,year,reported) VALUES (1,2021,TRUE),(1,2021,TRUE),(2,2021,FALSE),(3,2021,TRUE),(3,2021,TRUE);
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SELECT operations.name, COUNT(accidents.id) FROM operations LEFT JOIN accidents ON operations.id = accidents.operation_id AND accidents.year = 2021 GROUP BY operations.id;
|
Find the number of cultural heritage sites in Germany and Italy that have a virtual tour available.
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CREATE TABLE CulturalHeritageSites (site_id INT,site_name TEXT,country TEXT,has_virtual_tour BOOLEAN); INSERT INTO CulturalHeritageSites (site_id,site_name,country,has_virtual_tour) VALUES (1,'Site A','Germany',TRUE),(2,'Site B','Italy',FALSE);
|
SELECT country, COUNT(*) FROM CulturalHeritageSites WHERE country IN ('Germany', 'Italy') AND has_virtual_tour = TRUE GROUP BY country;
|
Count the number of cerium mines in Canada and the United States.
|
CREATE TABLE cerium_mines (country TEXT,num_mines INT); INSERT INTO cerium_mines (country,num_mines) VALUES ('Canada',12),('United States',15);
|
SELECT SUM(num_mines) FROM cerium_mines WHERE country IN ('Canada', 'United States');
|
Delete all records of airmen who were dismissed for misconduct from the air_force_discharge_data table
|
CREATE TABLE air_force_discharge_data (airman_id INT,name VARCHAR(50),rank VARCHAR(50),discharge_type VARCHAR(50),discharge_date DATE);
|
DELETE FROM air_force_discharge_data WHERE rank = 'Airman' AND discharge_type = 'misconduct';
|
What is the average number of home runs hit in a single game in the J-League, excluding games with less than 3 home runs hit?
|
CREATE TABLE J_League_Matches (MatchID INT,HomeTeam VARCHAR(50),AwayTeam VARCHAR(50),HomeRuns INT,AwayRuns INT); INSERT INTO J_League_Matches (MatchID,HomeTeam,AwayTeam,HomeRuns,AwayRuns) VALUES (1,'Kashima Antlers','Urawa Red Diamonds',2,1);
|
SELECT AVG(HomeRuns + AwayRuns) FROM J_League_Matches WHERE (HomeRuns + AwayRuns) >= 3 GROUP BY (HomeRuns + AwayRuns);
|
How many subway rides were there per day in Sydney in Q1 2022?
|
CREATE TABLE subway_rides_sydney(ride_date DATE,num_rides INTEGER); INSERT INTO subway_rides_sydney (ride_date,num_rides) VALUES ('2022-01-01',1200),('2022-01-02',1300);
|
SELECT ride_date, AVG(num_rides) AS avg_daily_rides FROM subway_rides_sydney WHERE ride_date BETWEEN '2022-01-01' AND '2022-03-31' GROUP BY ride_date;
|
What is the average amount donated per donation for each donor?
|
CREATE TABLE Donors (DonorID INT,Name TEXT); CREATE TABLE Donations (DonationID INT,DonorID INT,DonationAmount DECIMAL);
|
SELECT D.Name as DonorName, AVG(DonationAmount) as AvgDonationAmount FROM Donors D INNER JOIN Donations Don ON D.DonorID = Don.DonorID GROUP BY D.DonorID, D.Name;
|
What are the top 5 countries with the highest cybersecurity budget in the last 3 years?
|
CREATE TABLE if not exists cybersecurity_budget (country VARCHAR(50),year INT,budget FLOAT);
|
SELECT country, AVG(budget) as avg_budget FROM cybersecurity_budget GROUP BY country ORDER BY avg_budget DESC LIMIT 5;
|
Delete the record of the reader with the ID of 4 if it exists.
|
CREATE TABLE readers (id INT,name VARCHAR(50),age INT,preference VARCHAR(50)); INSERT INTO readers (id,name,age,preference) VALUES (1,'John Doe',30,'technology'),(2,'Jane Smith',45,'sports'),(3,'Bob Johnson',28,'politics'),(4,'Alice Davis',34,'international');
|
DELETE FROM readers WHERE id = 4;
|
List all crime incidents with a severity level of 3 in the Central area.
|
CREATE TABLE area (id INT,name VARCHAR(20)); INSERT INTO area (id,name) VALUES (1,'North'),(2,'South'),(3,'East'),(4,'West'),(5,'Central'); CREATE TABLE incidents (id INT,area_id INT,incident_type VARCHAR(50),severity INT); INSERT INTO incidents (id,area_id,incident_type,severity) VALUES (1,5,'Theft',3),(2,3,'Assault',4),(3,1,'Vandalism',2),(4,5,'Burglary',4),(5,2,'Trespassing',1);
|
SELECT * FROM incidents WHERE area_id = (SELECT id FROM area WHERE name = 'Central') AND severity = 3;
|
What is the average number of wins for players who play "Virtual Reality Chess Extreme" or "Rhythm Game 2023"?
|
CREATE TABLE Players (PlayerID INT,PlayerName VARCHAR(50),Game VARCHAR(50),Wins INT); INSERT INTO Players (PlayerID,PlayerName,Game,Wins) VALUES (1,'Sophia Garcia','Virtual Reality Chess Extreme',35),(2,'Daniel Kim','Rhythm Game 2023',40),(3,'Lila Hernandez','Racing Simulator 2022',28),(4,'Kenji Nguyen','Rhythm Game 2023',45);
|
SELECT AVG(Wins) FROM Players WHERE Game IN ('Virtual Reality Chess Extreme', 'Rhythm Game 2023');
|
What is the change in monthly energy production for each hydroelectric power plant in the renewables table?
|
CREATE TABLE renewables (id INT,name VARCHAR(50),type VARCHAR(50),production FLOAT,created_at TIMESTAMP);
|
SELECT name, LAG(production, 1) OVER(PARTITION BY name ORDER BY created_at) as prev_month_production, production, production - LAG(production, 1) OVER(PARTITION BY name ORDER BY created_at) as monthly_change FROM renewables WHERE type = 'hydro' ORDER BY name, created_at;
|
Who is the top scorer for each team in a tournament?
|
CREATE TABLE Player (PlayerID int,PlayerName varchar(50),TeamID int); CREATE TABLE Goal (GoalID int,PlayerID int,Goals int,MatchDate date,TournamentID int); INSERT INTO Player (PlayerID,PlayerName,TeamID) VALUES (1,'James Rodriguez',1),(2,'Radamel Falcao',1),(3,'Thomas Muller',2),(4,'Miroslav Klose',2); INSERT INTO Goal (GoalID,PlayerID,Goals,MatchDate,TournamentID) VALUES (1,1,2,'2022-06-01',1),(2,1,3,'2022-06-05',1),(3,2,1,'2022-06-01',1),(4,2,2,'2022-06-05',1),(5,3,4,'2022-06-01',1),(6,3,5,'2022-06-05',1),(7,4,2,'2022-06-01',1),(8,4,3,'2022-06-05',1);
|
SELECT p.TeamID, p.PlayerName, SUM(g.Goals) AS TotalGoals, ROW_NUMBER() OVER (PARTITION BY p.TeamID ORDER BY SUM(g.Goals) DESC) AS Ranking FROM Player p JOIN Goal g ON p.PlayerID = g.PlayerID WHERE g.TournamentID = 1 GROUP BY p.TeamID, p.PlayerName HAVING Ranking <= 1;
|
What is the maximum number of items purchased in a single order for each customer?
|
CREATE TABLE orders(customer_id INT,items INT); INSERT INTO orders(customer_id,items) VALUES(1,3),(2,1),(3,5),(4,2);
|
SELECT customer_id, MAX(items) FROM orders GROUP BY customer_id;
|
List Gaelic football teams with their average ticket sales revenue per game in the Connacht province.
|
CREATE TABLE gaelic_football_teams (team_id INT,team_name VARCHAR(50),province VARCHAR(50)); INSERT INTO gaelic_football_teams (team_id,team_name,province) VALUES (1,'Galway','Connacht'),(2,'Mayo','Connacht'),(3,'Roscommon','Connacht'); CREATE TABLE gaelic_football_ticket_sales (team_id INT,sale_date DATE,quantity INT,revenue DECIMAL(10,2));
|
SELECT gft.team_name, AVG(gfts.revenue/gfts.quantity) as avg_revenue_per_game FROM gaelic_football_ticket_sales gfts JOIN gaelic_football_teams gft ON gfts.team_id = gft.team_id WHERE gft.province = 'Connacht' GROUP BY gft.team_name;
|
What are the drug approval dates for PharmaB Inc. in Japan?
|
CREATE TABLE drug_approval (company VARCHAR(255),country VARCHAR(255),approval_date DATE); INSERT INTO drug_approval (company,country,approval_date) VALUES ('PharmaB Inc.','Japan','2021-03-15');
|
SELECT company, approval_date FROM drug_approval WHERE company = 'PharmaB Inc.' AND country = 'Japan';
|
Update the 'rural_development' database's 'economic_diversification' table to include a new 'diversification_type' column with values 'Renewable Energy' and 'Tourism' for 'Europe' records
|
CREATE TABLE economic_diversification (diversification_id INT PRIMARY KEY,diversification_name VARCHAR(100),country VARCHAR(50),region VARCHAR(50),year_introduced INT);
|
ALTER TABLE economic_diversification ADD diversification_type VARCHAR(50); UPDATE economic_diversification SET diversification_type = 'Renewable Energy' WHERE country = 'Europe'; UPDATE economic_diversification SET diversification_type = 'Tourism' WHERE country = 'Europe';
|
How many cases were won by the 'jones' law firm?
|
CREATE TABLE cases (id INT,law_firm TEXT,won BOOLEAN); INSERT INTO cases (id,law_firm,won) VALUES (1,'jones',TRUE),(2,'jones',FALSE),(3,'jones',TRUE);
|
SELECT COUNT(*) FROM cases WHERE law_firm = 'jones' AND won = TRUE;
|
Add new record to recycling_rates table with location 'California', recycling_type 'Plastic', rate 0.20, date '2021-01-01'
|
CREATE TABLE recycling_rates (id INT PRIMARY KEY,location VARCHAR(255),recycling_type VARCHAR(255),rate DECIMAL(5,4),date DATE);
|
INSERT INTO recycling_rates (location, recycling_type, rate, date) VALUES ('California', 'Plastic', 0.20, '2021-01-01');
|
Find the difference in average daily streams between weekdays and weekends for the pop genre.
|
CREATE TABLE daily_streams (date DATE,genre VARCHAR(10),stream_count BIGINT);
|
SELECT (AVG(CASE WHEN DAYOFWEEK(date) IN (1,7) THEN stream_count ELSE 0 END) - AVG(CASE WHEN DAYOFWEEK(date) IN (2,3,4,5,6) THEN stream_count ELSE 0 END)) * 1000 AS weekend_vs_weekday_diff FROM daily_streams WHERE genre = 'pop' GROUP BY genre;
|
Identify evidence-based policy making related to climate change
|
CREATE TABLE Policy (id INT,name VARCHAR(50),category VARCHAR(50),description TEXT); INSERT INTO Policy (id,name,category,description) VALUES (1,'Renewable Energy Standard','Energy','Standard to increase renewable energy production');
|
SELECT Policy.name, Policy.category, Policy.description FROM Policy WHERE Policy.description LIKE '%climate change%' OR Policy.category = 'Climate Change';
|
Identify the explainable AI application with the lowest explainability score in Africa.
|
CREATE TABLE explainable_ai_applications (app_name TEXT,region TEXT,explainability_score FLOAT); INSERT INTO explainable_ai_applications (app_name,region,explainability_score) VALUES ('App13','Africa',0.7),('App14','Africa',0.6),('App15','Europe',0.8);
|
SELECT app_name, explainability_score FROM explainable_ai_applications WHERE region = 'Africa' ORDER BY explainability_score LIMIT 1;
|
Find the minimum energy storage capacity for each energy_type installed in Alberta, Canada between 2020-01-01 and 2020-06-30, excluding energy_types with only one installation record.
|
CREATE TABLE energy_storage_3 (id INT,energy_type VARCHAR(50),location VARCHAR(50),capacity INT,installation_date DATE); INSERT INTO energy_storage_3 (id,energy_type,location,capacity,installation_date) VALUES (3,'Lithium-ion','Alberta',5000,'2020-03-01');
|
SELECT energy_type, MIN(capacity) as min_capacity FROM energy_storage_3 WHERE installation_date BETWEEN '2020-01-01' AND '2020-06-30' AND location = 'Alberta' GROUP BY energy_type HAVING COUNT(*) > 1;
|
Insert new records for visitors from Australia and New Zealand.
|
CREATE TABLE Visitors (id INT,name VARCHAR(100),country VARCHAR(50),visit_date DATE);
|
INSERT INTO Visitors (id, name, country, visit_date) VALUES (1, 'Emma Watson', 'Australia', '2021-08-01'), (2, 'Sam Smith', 'New Zealand', '2021-09-01');
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