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Delete all records from the 'investigative_projects' table where the project is assigned to 'John Doe'
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CREATE TABLE investigative_projects (project_id INT,project_name VARCHAR(255),status VARCHAR(20),assigned_to INT);
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DELETE FROM investigative_projects WHERE assigned_to = (SELECT employee_id FROM employees WHERE name = 'John Doe');
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What is the total budget for the 'international_programs' view?
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CREATE VIEW international_programs AS SELECT * FROM programs WHERE country = 'International';
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SELECT SUM(budget) FROM international_programs;
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What is the total amount of organic food orders placed before 10 AM in the 'orders' table?
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CREATE TABLE orders (order_id INT,order_time TIME,is_organic BOOLEAN); INSERT INTO orders (order_id,order_time,is_organic) VALUES (1,'09:00:00',true),(2,'10:30:00',false),(3,'08:45:00',true);
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SELECT SUM(IIF(is_organic, 1, 0)) as total_organic_orders FROM orders WHERE order_time < '10:00:00';
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What is the average change in rent from year to year for units in each building, ordered by building type and then by average change?
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CREATE TABLE Buildings (building_id INT,name VARCHAR(50),building_type VARCHAR(50));CREATE TABLE Units (unit_id INT,building_id INT,year_built INT,rent INT);
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SELECT b.building_type, b.name, AVG(u.change_in_rent) as avg_change_in_rent FROM (SELECT building_id, YEAR(rent_date) as year, AVG(rent) - LAG(AVG(rent)) OVER (PARTITION BY building_id ORDER BY YEAR(rent_date)) as change_in_rent FROM Units JOIN Rent_Dates ON Units.unit_id = Rent_Dates.unit_id GROUP BY building_id, year) u JOIN Buildings b ON u.building_id = b.building_id GROUP BY b.building_type, b.name ORDER BY b.building_type, avg_change_in_rent;
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Update the genre of a news article to 'World News' if its title contains 'Global'.
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CREATE TABLE news (id INT,title TEXT,category TEXT); INSERT INTO news (id,title,category) VALUES (1,'Global NewsA','National'); INSERT INTO news (id,title,category) VALUES (2,'Local NewsB','Local'); INSERT INTO news (id,title,category) VALUES (3,'World News ArticleC','World News');
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UPDATE news SET category = 'World News' WHERE title LIKE '%Global%';
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Insert a new record for a package with ID 4, delivered on 2021-08-01, located in 'Warehouse A'
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CREATE TABLE packages (package_id INT,delivery_date DATE,warehouse_location VARCHAR(20));
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INSERT INTO packages (package_id, delivery_date, warehouse_location) VALUES (4, '2021-08-01', 'Warehouse A');
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What is the total revenue per country in the European region?
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CREATE TABLE sales (id INT PRIMARY KEY,product_id INT,quantity INT,sale_price DECIMAL(5,2),order_date DATE,country VARCHAR(255),region VARCHAR(255)); INSERT INTO sales (id,product_id,quantity,sale_price,order_date,country,region) VALUES (1,1,2,59.99,'2021-12-01','Germany','Europe'); INSERT INTO sales (id,product_id,quantity,sale_price,order_date,country,region) VALUES (2,2,1,39.99,'2021-12-03','France','Europe');
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SELECT region, SUM(quantity * sale_price) as total_revenue FROM sales WHERE region = 'Europe' GROUP BY region;
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Who are the top 5 users by number of policy violations?
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CREATE TABLE policy_violations (id INT,user_id INT,violation_date DATE); CREATE TABLE users (id INT,name VARCHAR(50)); INSERT INTO policy_violations (id,user_id,violation_date) VALUES (1,1,'2021-12-01'),(2,2,'2021-12-03'),(3,3,'2021-12-04'),(4,1,'2021-12-05'),(5,4,'2021-12-06'),(6,5,'2021-12-07'); INSERT INTO users (id,name) VALUES (1,'Alice'),(2,'Bob'),(3,'Charlie'),(4,'David'),(5,'Eve');
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SELECT users.name, COUNT(policy_violations.id) as violation_count FROM policy_violations INNER JOIN users ON policy_violations.user_id = users.id GROUP BY users.name ORDER BY violation_count DESC LIMIT 5;
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What is the landfill capacity for each region for the year 2020?
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CREATE TABLE LandfillCapacity (region VARCHAR(255),year INT,capacity INT); INSERT INTO LandfillCapacity (region,year,capacity) VALUES ('North',2020,50000),('South',2020,60000),('East',2020,40000),('West',2020,30000);
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SELECT region, capacity FROM LandfillCapacity WHERE year = 2020;
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What is the average property size for co-owned properties in the city of Austin?
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CREATE TABLE co_ownership (id INT,property_id INT,owner TEXT,city TEXT,size INT); INSERT INTO co_ownership (id,property_id,owner,city,size) VALUES (1,101,'Alice','Austin',1200),(2,101,'Bob','Austin',1200),(3,102,'Carol','Seattle',900);
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SELECT AVG(size) FROM co_ownership WHERE city = 'Austin';
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What is the minimum depth of all trenches in the Atlantic Ocean?
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CREATE TABLE atlantic_ocean (name VARCHAR(255),depth FLOAT); INSERT INTO atlantic_ocean VALUES ('Puerto Rico',8380);
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SELECT MIN(depth) FROM atlantic_ocean WHERE name = 'Puerto Rico';
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Delete all records in the 'ai_ethics' table where the 'developer' column is 'IBM'
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CREATE TABLE ai_ethics (developer VARCHAR(255),principle VARCHAR(255)); INSERT INTO ai_ethics (developer,principle) VALUES ('IBM','Fairness'),('Google','Accountability'),('IBM','Transparency');
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DELETE FROM ai_ethics WHERE developer = 'IBM';
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Update the status column to 'active' for all records in the customers table where country is 'Indonesia'
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CREATE TABLE customers (customer_number INT,status VARCHAR(10),country VARCHAR(50),created_at TIMESTAMP);
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UPDATE customers SET status = 'active' WHERE country = 'Indonesia';
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What is the total revenue generated by museum memberships?
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CREATE TABLE memberships (id INT,member_id INT,start_date DATE,end_date DATE,price DECIMAL(5,2)); CREATE TABLE members (id INT,name VARCHAR(255),type VARCHAR(255)); INSERT INTO memberships (id,member_id,start_date,end_date,price) VALUES (1,1,'2022-01-01','2022-12-31',100.00),(2,2,'2022-07-01','2023-06-30',150.00),(3,3,'2022-04-01','2022-12-31',75.00); INSERT INTO members (id,name,type) VALUES (1,'Jane Doe','Individual'),(2,'John Smith','Family'),(3,'Alice Johnson','Senior');
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SELECT SUM(price) FROM memberships JOIN members ON memberships.member_id = members.id WHERE members.type = 'Individual' OR members.type = 'Family' OR members.type = 'Senior';
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Insert a new case with CaseID '0002' and CaseStatus 'Open' into the Cases table
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CREATE TABLE Cases (CaseID VARCHAR(10),CaseStatus VARCHAR(10));
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WITH cte AS (VALUES ('0002', 'Open')) INSERT INTO Cases SELECT * FROM cte;
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What is the average transaction amount per day?
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CREATE TABLE transactions (transaction_id INT,transaction_date DATE,amount DECIMAL(10,2));
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SELECT AVG(amount) FROM transactions GROUP BY transaction_date;
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How many articles were published by minority authors in 2021?
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CREATE TABLE author (author_id INT,author_name VARCHAR(50),is_minority BOOLEAN); INSERT INTO author (author_id,author_name,is_minority) VALUES (1,'Alice Johnson',TRUE),(2,'Bob Smith',FALSE),(3,'Carla Garcia',TRUE); CREATE TABLE article (article_id INT,author_id INT,publication_date DATE); INSERT INTO article (article_id,author_id,publication_date) VALUES (1,1,'2021-01-01'),(2,2,'2021-02-01'),(3,3,'2021-03-01');
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SELECT COUNT(*) as num_articles FROM article JOIN author ON article.author_id = author.author_id WHERE is_minority = TRUE AND EXTRACT(YEAR FROM publication_date) = 2021;
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What is the average rating of hotels in the 'Budget' category that have more than 100 reviews?
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CREATE TABLE hotels (hotel_id INT,hotel_name VARCHAR(100),category VARCHAR(50),rating FLOAT,num_reviews INT); INSERT INTO hotels (hotel_id,hotel_name,category,rating,num_reviews) VALUES (1,'Hotel A','Budget',4.2,120),(2,'Hotel B','Luxury',4.8,250),(3,'Hotel C','Budget',3.9,65),(4,'Hotel D','Midrange',4.5,180);
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SELECT AVG(rating) FROM hotels WHERE category = 'Budget' AND num_reviews > 100;
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What is the maximum number of fires in 'downtown' in a single day?
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CREATE TABLE fires (id INT,date DATE,location VARCHAR(20)); INSERT INTO fires (id,date,location) VALUES (1,'2022-01-01','downtown'),(2,'2022-01-02','downtown'),(3,'2022-01-03','uptown');
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SELECT MAX(count) FROM (SELECT date, COUNT(*) AS count FROM fires WHERE location = 'downtown' GROUP BY date) AS subquery;
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Insert a new record in the 'mining_operation_data' table for the 'Mirny' mine, 'Diamond' as the mined_material, and a production_capacity of 70000 tonnes
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CREATE TABLE mining_operation_data (mine_name VARCHAR(50),mined_material VARCHAR(20),production_capacity INT);
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INSERT INTO mining_operation_data (mine_name, mined_material, production_capacity) VALUES ('Mirny', 'Diamond', 70000);
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What is the average word count of articles published in the last month?
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CREATE TABLE articles (id INT,title VARCHAR(50),topic VARCHAR(50),word_count INT,publish_date DATE); INSERT INTO articles (id,title,topic,word_count,publish_date) VALUES (1,'Article 1','topic1',1500,'2022-01-01'),(2,'Article 2','topic2',1000,'2022-02-01');
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SELECT AVG(word_count) FROM articles WHERE publish_date >= DATE_SUB(CURRENT_DATE, INTERVAL 1 MONTH);
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What is the total number of news stories published in the "news" table for each country in the "reporters" table?
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CREATE TABLE reporters (id INT,name VARCHAR(50),gender VARCHAR(10),age INT,country VARCHAR(50)); CREATE TABLE published_stories (reporter_id INT,news_id INT); CREATE TABLE news (id INT,title VARCHAR(100),views INT,date DATE,country VARCHAR(50));
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SELECT r.country, COUNT(*) AS total_stories FROM reporters r INNER JOIN published_stories ps ON r.id = ps.reporter_id INNER JOIN news n ON ps.news_id = n.id GROUP BY r.country;
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Show the total quantity of sustainable fabric types used in all clothing items.
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CREATE TABLE TextileSourcing (FabricType VARCHAR(255),Quantity INT,IsSustainable BOOLEAN); INSERT INTO TextileSourcing (FabricType,Quantity,IsSustainable) VALUES ('Organic Cotton',1200,TRUE),('Recycled Polyester',800,TRUE),('Tencel',1500,TRUE),('Virgin Polyester',1000,FALSE),('Conventional Cotton',2000,FALSE);
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SELECT SUM(Quantity) FROM TextileSourcing WHERE IsSustainable = TRUE;
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What is the average number of comments on posts made in the past week, that contain the word "yoga", for accounts located in Brazil?
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CREATE TABLE accounts (id INT,name VARCHAR(255),location VARCHAR(255)); CREATE TABLE posts (id INT,account_id INT,content TEXT,comments INT,timestamp TIMESTAMP); INSERT INTO accounts (id,name,location) VALUES (1,'yoga_lover','Brazil'); INSERT INTO posts (id,account_id,content,comments,timestamp) VALUES (1,1,'post1 with yoga',20,'2022-05-01 12:00:00');
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SELECT AVG(comments) FROM posts JOIN accounts ON posts.account_id = accounts.id WHERE posts.timestamp >= NOW() - INTERVAL '1 week' AND posts.content LIKE '%yoga%' AND accounts.location = 'Brazil';
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Which client has the highest increase in balance in the Shariah-compliant finance database compared to the previous month?
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CREATE TABLE shariah_compliant_finance_history (client_id INT,balance DECIMAL(10,2),month DATE); INSERT INTO shariah_compliant_finance_history (client_id,balance,month) VALUES (3,25000.50,'2022-01-01'),(3,28000.75,'2022-02-01'),(4,30000.75,'2022-01-01'),(4,32000.50,'2022-02-01');
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SELECT h1.client_id, h1.balance - LAG(h1.balance) OVER (PARTITION BY h1.client_id ORDER BY h1.month) AS balance_change FROM shariah_compliant_finance_history h1 ORDER BY balance_change DESC LIMIT 1;
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List all chemical manufacturers in a given region, along with the total amount of CO2 emissions for each.
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CREATE TABLE chemical_manufacturers (manufacturer_id INT,name VARCHAR(255),country VARCHAR(255)); INSERT INTO chemical_manufacturers (manufacturer_id,name,country) VALUES (1,'ManufacturerA','USA'),(2,'ManufacturerB','Canada'),(3,'ManufacturerC','USA'); CREATE TABLE emissions (emission_id INT,manufacturer_id INT,gas_type VARCHAR(255),amount INT); INSERT INTO emissions (emission_id,manufacturer_id,gas_type,amount) VALUES (1,1,'CO2',1000),(2,1,'CH4',200),(3,2,'CO2',1500),(4,3,'CO2',1200),(5,3,'CH4',300);
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SELECT cm.name, SUM(e.amount) FROM chemical_manufacturers cm JOIN emissions e ON cm.manufacturer_id = e.manufacturer_id WHERE cm.country = 'USA' AND e.gas_type = 'CO2' GROUP BY cm.name;
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List all cosmetics with a rating above 4.5 and less than 25 USD.
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CREATE TABLE All_Cosmetics (product_id INT,product_name VARCHAR(255),rating DECIMAL(3,1),price DECIMAL(10,2)); INSERT INTO All_Cosmetics (product_id,product_name,rating,price) VALUES (1,'Cosmetic 1',4.6,24.99),(2,'Cosmetic 2',4.8,34.99),(3,'Cosmetic 3',4.2,19.99);
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SELECT * FROM All_Cosmetics WHERE rating > 4.5 AND price < 25;
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What is the total revenue generated from ticket sales for the NY Knicks?
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CREATE TABLE teams (team_id INT,team_name VARCHAR(50)); INSERT INTO teams (team_id,team_name) VALUES (1,'NY Knicks'),(2,'LA Lakers'); CREATE TABLE ticket_sales (id INT,team_id INT,revenue INT);
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SELECT SUM(ticket_sales.revenue) FROM ticket_sales JOIN teams ON ticket_sales.team_id = teams.team_id WHERE teams.team_name = 'NY Knicks';
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What is the total sales figure for each drug by manufacturer?
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CREATE TABLE drug_manufacturers (manufacturer_id INT,drug_name TEXT,manufacturer TEXT,sales FLOAT); INSERT INTO drug_manufacturers (manufacturer_id,drug_name,manufacturer,sales) VALUES (1,'DrugE','Manufacturer1',7000000),(2,'DrugF','Manufacturer2',8000000);
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SELECT manufacturer, SUM(sales) as total_sales FROM drug_manufacturers GROUP BY manufacturer;
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List the names and salaries of baseball players who earned more than the average salary in their league in the 2022 season.
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CREATE TABLE IF NOT EXISTS players (id INT,name VARCHAR(50),position VARCHAR(50),team VARCHAR(50),league VARCHAR(50),salary INT);
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SELECT name, salary FROM players WHERE league = 'MLB' AND salary > (SELECT AVG(salary) FROM players WHERE league = 'MLB') UNION SELECT name, salary FROM players WHERE league = 'MiLB' AND salary > (SELECT AVG(salary) FROM players WHERE league = 'MiLB');
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What is the distribution of non-fungible tokens (NFTs) by category on the Polygon network?
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CREATE TABLE polygon_nfts (nft_id INT,nft_name VARCHAR(255),nft_category VARCHAR(255),network VARCHAR(50));
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SELECT nft_category, COUNT(*) as count FROM polygon_nfts WHERE network = 'Polygon' GROUP BY nft_category;
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Find the heritage sites that were established in the same year as the earliest heritage site in their country.
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CREATE TABLE heritage_sites (site_id INT,name VARCHAR(50),location VARCHAR(50),year INT,type VARCHAR(50));
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SELECT h1.* FROM heritage_sites h1 INNER JOIN (SELECT location, MIN(year) AS min_year FROM heritage_sites GROUP BY location) h2 ON h1.location = h2.location AND h1.year = h2.min_year;
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Delete all records with an id greater than 5 from the artifacts table.
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CREATE TABLE artifacts (id INT,name VARCHAR(50),description TEXT); INSERT INTO artifacts (id,name,description) VALUES (1,'Pottery','Ancient pottery from the Mayan civilization'),(2,'Totem pole','Wooden totem pole from the Haida nation'),(3,'Woven rug','Hand-woven rug from the Navajo tribe'),(4,'Beaded necklace','Beaded necklace from the Inuit people'),(5,'Drum','Traditional drum from the Apache tribe');
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DELETE FROM artifacts WHERE id > 5;
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Get the average distance to the nearest star for each constellation in the Astrophysics_Research table.
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CREATE TABLE Astrophysics_Research(id INT,constellation VARCHAR(50),distance_to_nearest_star FLOAT);
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SELECT constellation, AVG(distance_to_nearest_star) as Average_Distance FROM Astrophysics_Research GROUP BY constellation;
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List the bottom 3 carbon offset initiatives by reduction amount for each city?
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CREATE TABLE carbon_offset_initiatives (initiative_name TEXT,city TEXT,reduction_amount INTEGER); INSERT INTO carbon_offset_initiatives VALUES ('InitiativeA','City1',500),('InitiativeB','City1',800),('InitiativeC','City2',300),('InitiativeD','City2',700);
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SELECT initiative_name, city, reduction_amount, RANK() OVER (PARTITION BY city ORDER BY reduction_amount ASC) AS rank FROM carbon_offset_initiatives WHERE rank <= 3;
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What is the total R&D expenditure for the drug 'MedX' in Asia?
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CREATE TABLE rd_expenditure (drug_name TEXT,expenditure NUMERIC,region TEXT); INSERT INTO rd_expenditure (drug_name,expenditure,region) VALUES ('Vaxo',5000000,'United States'),('MedX',7000000,'China');
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SELECT SUM(expenditure) FROM rd_expenditure WHERE drug_name = 'MedX' AND region = 'Asia';
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List all unique schools in the 'Teachers' table
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SELECT DISTINCT School FROM Teachers;
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SELECT DISTINCT School FROM Teachers;
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What is the average price of sustainable fashion products in the tops category?
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CREATE TABLE products (product_id INTEGER,name TEXT,category TEXT,sustainable BOOLEAN,price FLOAT); INSERT INTO products (product_id,name,category,sustainable,price) VALUES (1001,'Organic Cotton Dress','dresses',TRUE,80.0),(1002,'Silk Blouse','tops',FALSE,60.0),(1003,'Recycled Polyester Jacket','jackets',TRUE,120.0),(1004,'Bamboo T-Shirt','tops',TRUE,30.0);
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SELECT AVG(price) FROM products WHERE sustainable = TRUE AND category = 'tops';
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Delete all uranium mines in Australia with productivity below 800?
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CREATE TABLE mine (id INT,name TEXT,location TEXT,mineral TEXT,productivity INT); INSERT INTO mine (id,name,location,mineral,productivity) VALUES (1,'Olympic Dam','Australia','Uranium',700),(2,'Ranger','Australia','Uranium',900);
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DELETE FROM mine WHERE mineral = 'Uranium' AND location = 'Australia' AND productivity < 800;
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Update the record in the "sustainable_practices" table with an ID of 2 to have a description of 'Minimizing water usage in laundry'
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CREATE TABLE sustainable_practices (practice_id INT,description TEXT,category VARCHAR(20)); INSERT INTO sustainable_practices (practice_id,description,category) VALUES (2,'Using water-efficient appliances','Water');
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UPDATE sustainable_practices SET description = 'Minimizing water usage in laundry' WHERE practice_id = 2;
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What is the total CO2 emission from mining operations in the Andes region?
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CREATE TABLE co2_emissions (id INT,region VARCHAR(50),co2_emission INT); INSERT INTO co2_emissions (id,region,co2_emission) VALUES (4,'Andes',16000); INSERT INTO co2_emissions (id,region,co2_emission) VALUES (5,'Andes',17000); INSERT INTO co2_emissions (id,region,co2_emission) VALUES (6,'Andes',18000);
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SELECT SUM(co2_emission) FROM co2_emissions WHERE region = 'Andes';
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List all the genetic data samples with a gene sequence starting with 'AT' and created after January 15th, 2021.
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CREATE TABLE genetic_data (id INT PRIMARY KEY,sample_id INT,gene_sequence TEXT,date DATE); INSERT INTO genetic_data (id,sample_id,gene_sequence,date) VALUES (1,1001,'ATGCGAT...','2021-01-01'),(2,1002,'CGATCG...','2021-01-02'),(3,1003,'ATCGATG...','2021-01-16');
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SELECT sample_id, gene_sequence FROM genetic_data WHERE gene_sequence LIKE 'AT%' AND date > '2021-01-15';
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What is the total number of rural hospitals in Texas and California with a patient satisfaction score greater than 85?
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CREATE TABLE rural_hospitals (id INT,state VARCHAR(2),patient_satisfaction_score INT); INSERT INTO rural_hospitals (id,state,patient_satisfaction_score) VALUES (1,'TX',88),(2,'TX',75),(3,'CA',92),(4,'CA',82);
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SELECT SUM(CASE WHEN state IN ('TX', 'CA') AND patient_satisfaction_score > 85 THEN 1 ELSE 0 END) FROM rural_hospitals;
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What is the average sales per month for the 'Fast Fashion' category in the year 2023?
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CREATE TABLE suppliers (id INT PRIMARY KEY,name VARCHAR(255),country VARCHAR(255),industry VARCHAR(255)); INSERT INTO suppliers (id,name,country,industry) VALUES (1,'Supplier A','Bangladesh','Textile'); CREATE TABLE garments (id INT PRIMARY KEY,supplier_id INT,name VARCHAR(255),category VARCHAR(255),price DECIMAL(10,2)); CREATE TABLE sales (id INT PRIMARY KEY,garment_id INT,date DATE,quantity INT); CREATE VIEW sales_by_month AS SELECT YEAR(date) as sales_year,MONTH(date) as sales_month,SUM(quantity) as total_sales FROM sales GROUP BY sales_year,sales_month;
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SELECT AVG(total_sales) FROM sales_by_month WHERE sales_year = 2023 AND category = 'Fast Fashion' GROUP BY sales_month;
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What is the average labor cost for sustainable building projects in California?
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CREATE TABLE labor_costs (id INT,project_state TEXT,project_type TEXT,labor_cost DECIMAL(10,2)); INSERT INTO labor_costs (id,project_state,project_type,labor_cost) VALUES (1,'California','Sustainable',12000.00),(2,'California','Conventional',10000.00);
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SELECT AVG(labor_cost) FROM labor_costs WHERE project_state = 'California' AND project_type = 'Sustainable';
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What was the average monthly naval equipment spending for each customer in 2021?
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CREATE TABLE CustomerNavalSpending (customer_name TEXT,purchase_month DATE,amount INTEGER); INSERT INTO CustomerNavalSpending (customer_name,purchase_month,amount) VALUES ('ABC Corp','2021-04-01',5000000),('DEF Inc','2021-10-15',7000000),('GHI Enterprises','2021-07-20',6000000),('JKL Ltd','2021-12-03',8000000);
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SELECT customer_name, AVG(amount) FROM CustomerNavalSpending WHERE purchase_month BETWEEN '2021-01-01' AND '2021-12-31' GROUP BY customer_name;
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List the beauty products that are labeled 'paraben-free' and have a sale revenue above the average sale revenue for all products, excluding products labeled 'organic'.
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CREATE TABLE ProductsParabenFreeSalesData (product_id INT,product_name TEXT,is_paraben_free BOOLEAN,sale_revenue FLOAT,is_organic BOOLEAN); INSERT INTO ProductsParabenFreeSalesData (product_id,product_name,is_paraben_free,sale_revenue,is_organic) VALUES (1,'Product A',true,75,true),(2,'Product B',false,30,false),(3,'Product C',false,60,false),(4,'Product D',true,120,true),(5,'Product E',false,45,false);
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SELECT product_id, product_name, sale_revenue FROM ProductsParabenFreeSalesData WHERE is_paraben_free = true AND is_organic = false AND sale_revenue > (SELECT AVG(sale_revenue) FROM ProductsParabenFreeSalesData WHERE is_organic = false);
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How many drugs were approved in each year?
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CREATE SCHEMA if not exists pharma; CREATE TABLE if not exists pharma.drug_approval (year INT,drug VARCHAR(255)); INSERT INTO pharma.drug_approval (year,drug) VALUES (2018,'Drug A'),(2019,'Drug B'),(2020,'Drug C'),(2020,'Drug D'),(2021,'Drug E');
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SELECT year, COUNT(DISTINCT drug) AS drugs_approved FROM pharma.drug_approval GROUP BY year ORDER BY year;
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What is the average trip duration in days for Chinese tourists visiting Africa?
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CREATE TABLE tourism_stats (id INT PRIMARY KEY,country VARCHAR(255),destination VARCHAR(255),duration INT); INSERT INTO tourism_stats (id,country,destination,duration) VALUES (1,'China','Kenya',12),(2,'China','South Africa',20),(3,'China','Egypt',14);
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SELECT AVG(duration) FROM tourism_stats WHERE country = 'China' AND destination LIKE 'Africa%';
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Get the names and total carbon offset of all carbon offset initiatives located in Canada.
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CREATE TABLE carbon_offset_initiatives (id INT,name VARCHAR(255),description TEXT,total_carbon_offset FLOAT,country VARCHAR(50));
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SELECT name, total_carbon_offset FROM carbon_offset_initiatives WHERE country = 'Canada';
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What is the total sales volume for Sustainable garments in Toronto during 2021?
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CREATE TABLE Sales (sale_id INT,garment_id INT,location_id INT,sale_date DATE);CREATE TABLE Garments (garment_id INT,trend_id INT,fabric_source_id INT,size VARCHAR(50),style VARCHAR(255));CREATE TABLE FabricSources (source_id INT,fabric_type VARCHAR(255),country_of_origin VARCHAR(255),ethical_rating DECIMAL(3,2));CREATE TABLE StoreLocations (location_id INT,city VARCHAR(255),country VARCHAR(255),sales_volume INT);CREATE VIEW SustainableGarments AS SELECT * FROM Garments WHERE fabric_source_id IN (SELECT source_id FROM FabricSources WHERE ethical_rating >= 7.0);CREATE VIEW TorontoSales AS SELECT * FROM Sales WHERE location_id IN (SELECT location_id FROM StoreLocations WHERE city = 'Toronto');CREATE VIEW TorontoSustainableGarments AS SELECT * FROM TorontoSales WHERE garment_id IN (SELECT garment_id FROM SustainableGarments);
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SELECT SUM(sales_volume) FROM TorontoSustainableGarments WHERE sale_date BETWEEN '2021-01-01' AND '2021-12-31';
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How many unique hotels in the 'Economy' category have no bookings?
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CREATE TABLE Hotels (hotel_id INT,hotel_name VARCHAR(100),category VARCHAR(50)); CREATE TABLE Bookings (booking_id INT,hotel_id INT,booking_date DATE,revenue FLOAT,channel VARCHAR(50)); INSERT INTO Hotels (hotel_id,hotel_name,category) VALUES (1,'Hotel A','Boutique'),(2,'Hotel B','Boutique'),(3,'Hotel C','Economy'),(4,'Hotel D','Economy'),(10,'Hotel J','Economy'); INSERT INTO Bookings (booking_id,hotel_id,booking_date,revenue,channel) VALUES (1,1,'2022-01-01',200.0,'Direct'),(2,1,'2022-01-03',150.0,'OTA'),(3,2,'2022-01-05',300.0,'Direct');
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SELECT COUNT(DISTINCT Hotels.hotel_id) FROM Hotels LEFT JOIN Bookings ON Hotels.hotel_id = Bookings.hotel_id WHERE Hotels.category = 'Economy' AND Bookings.hotel_id IS NULL;
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What is the maximum donation amount made by individual donors from Canada?
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CREATE TABLE Donors (DonorID INT,DonorName TEXT,DonorType TEXT,Country TEXT); INSERT INTO Donors (DonorID,DonorName,DonorType,Country) VALUES (1,'Alice Johnson','Individual','Canada'),(2,'Bob Brown','Individual','Canada'); CREATE TABLE Donations (DonationID INT,DonorID INT,DonationAmount INT); INSERT INTO Donations (DonationID,DonorID,DonationAmount) VALUES (1,1,1000),(2,1,2000),(3,2,500);
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SELECT MAX(DonationAmount) FROM Donations JOIN Donors ON Donations.DonorID = Donors.DonorID WHERE Donors.Country = 'Canada' AND Donors.DonorType = 'Individual';
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What was the total number of shipments from India to Australia in April 2021?
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CREATE TABLE shipments (id INT,origin VARCHAR(255),destination VARCHAR(255),shipped_at TIMESTAMP); INSERT INTO shipments (id,origin,destination,shipped_at) VALUES (1,'India','Australia','2021-04-02 10:30:00'),(2,'India','Australia','2021-04-05 15:45:00');
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SELECT COUNT(*) FROM shipments WHERE origin = 'India' AND destination = 'Australia' AND shipped_at >= '2021-04-01' AND shipped_at < '2021-05-01';
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How many aircraft and shipbuilding contracts are there?
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CREATE TABLE contracts (id INT,category VARCHAR(255),value DECIMAL(10,2));INSERT INTO contracts (id,category,value) VALUES (1,'Aircraft',5000000.00),(2,'Missiles',2000000.00),(3,'Shipbuilding',8000000.00),(4,'Cybersecurity',3000000.00),(5,'Aircraft',6000000.00),(6,'Shipbuilding',9000000.00);
|
SELECT SUM(CASE WHEN category IN ('Aircraft', 'Shipbuilding') THEN 1 ELSE 0 END) as total_contracts FROM contracts;
|
How many investigative journalism articles were published in 2021, excluding opinion pieces?
|
CREATE TABLE articles (article_id INT,title TEXT,topic TEXT,is_opinion BOOLEAN,published_at DATETIME); INSERT INTO articles (article_id,title,topic,is_opinion,published_at) VALUES (1,'Investigation of Corruption Scandal','investigative journalism',FALSE,'2021-06-15 12:00:00'),(2,'Opinion: Future of Investigative Journalism','opinion',TRUE,'2021-07-20 09:30:00');
|
SELECT COUNT(*) FROM articles WHERE topic = 'investigative journalism' AND is_opinion = FALSE AND YEAR(published_at) = 2021;
|
What is the total revenue generated by each cultural event category?
|
CREATE TABLE events (id INT,name VARCHAR(50),category VARCHAR(50),revenue INT);
|
SELECT category, SUM(revenue) FROM events GROUP BY category;
|
Average population of all animals in forests
|
CREATE TABLE if not exists animal_population (id INT,animal VARCHAR(255),country VARCHAR(255),population INT); INSERT INTO animal_population (id,animal,country,population) VALUES (1,'Tiger','India',2500),(2,'Elephant','India',5000),(3,'Rhinoceros','India',1500),(4,'Lion','Kenya',3000),(5,'Giraffe','Kenya',1000),(6,'Gorilla','Indonesia',750);
|
SELECT AVG(population) FROM animal_population WHERE country IN ('India', 'Indonesia', 'Kenya') AND habitat = 'Forest';
|
Display the names of countries that have participated in defense diplomacy events in the last 5 years
|
CREATE TABLE defense_diplomacy (id INT,country VARCHAR(255),event_name VARCHAR(255),year INT);
|
SELECT country FROM defense_diplomacy WHERE year BETWEEN (YEAR(CURRENT_DATE) - 5) AND YEAR(CURRENT_DATE) GROUP BY country;
|
What is the average landfill capacity in cubic meters for countries in Southeast Asia?
|
CREATE TABLE LandfillCapacity (country VARCHAR(255),landfill_capacity_cubic_meters DECIMAL(15,2),region VARCHAR(255)); INSERT INTO LandfillCapacity (country,landfill_capacity_cubic_meters,region) VALUES ('Indonesia',12000000.0,'Southeast Asia'),('Thailand',9000000.0,'Southeast Asia'),('Malaysia',7000000.0,'Southeast Asia');
|
SELECT AVG(landfill_capacity_cubic_meters) FROM LandfillCapacity WHERE region = 'Southeast Asia';
|
What is the number of dental providers in each county in Texas?
|
CREATE TABLE counties_tx (id INT,name VARCHAR(255),state VARCHAR(255)); INSERT INTO counties_tx (id,name,state) VALUES (1,'Andrews County','Texas'); CREATE TABLE dental_providers_tx (id INT,name VARCHAR(255),county_id INT); INSERT INTO dental_providers_tx (id,name,county_id) VALUES (1,'Provider X',1);
|
SELECT c.name, COUNT(dp.id) FROM counties_tx c JOIN dental_providers_tx dp ON c.id = dp.county_id WHERE c.state = 'Texas' GROUP BY c.name;
|
What is the total number of creative AI applications developed in each country?
|
CREATE TABLE creative_ai_development (id INT,app_name VARCHAR(50),country VARCHAR(50)); INSERT INTO creative_ai_development (id,app_name,country) VALUES (1,'DeepArt','Germany'),(2,'Artbreeder','Japan'),(3,'Dreamscope','United States'),(4,'DeepDream Generator','Canada'),(5,'Runway ML','United Kingdom'),(6,'DeepArt Effects','France');
|
SELECT country, COUNT(*) FROM creative_ai_development GROUP BY country;
|
Show the names of all retailers carrying both "organic" and "gluten-free" products
|
CREATE TABLE retailers (retailer_id INT,retailer_name VARCHAR(50)); INSERT INTO retailers (retailer_id,retailer_name) VALUES (1,'Whole Foods'); INSERT INTO retailers (retailer_id,retailer_name) VALUES (2,'Trader Joe''s'); CREATE TABLE inventory (product_id INT,product_name VARCHAR(50),retailer_id INT,is_organic BOOLEAN,is_gluten_free BOOLEAN); INSERT INTO inventory (product_id,product_name,retailer_id,is_organic,is_gluten_free) VALUES (1,'Organic Quinoa',1,true,false); INSERT INTO inventory (product_id,product_name,retailer_id,is_organic,is_gluten_free) VALUES (2,'Gluten-Free Pasta',1,false,true); INSERT INTO inventory (product_id,product_name,retailer_id,is_organic,is_gluten_free) VALUES (3,'Organic Almond Milk',2,true,false); INSERT INTO inventory (product_id,product_name,retailer_id,is_organic,is_gluten_free) VALUES (4,'Gluten-Free Bread',2,false,true);
|
SELECT DISTINCT r.retailer_name FROM retailers r JOIN inventory i ON r.retailer_id = i.retailer_id WHERE i.is_organic = true AND i.is_gluten_free = true;
|
What is the average budget of transportation projects in African nations that have been completed?
|
CREATE TABLE transportation_projects (id INT,project_budget INT,project_status TEXT,country TEXT); INSERT INTO transportation_projects (id,project_budget,project_status,country) VALUES (1,50000,'completed','Nigeria'),(2,75000,'in_progress','Kenya'),(3,30000,'completed','Egypt');
|
SELECT AVG(project_budget) FROM transportation_projects WHERE project_status = 'completed' AND country IN ('Africa');
|
What is the total number of vaccines administered, broken down by the type of vaccine and the region where it was administered?
|
CREATE TABLE Vaccines (VaccineID INT,VaccineType VARCHAR(255),Region VARCHAR(255),Date DATE); INSERT INTO Vaccines (VaccineID,VaccineType,Region,Date) VALUES (1,'Flu Shot','Northeast','2021-10-01');
|
SELECT VaccineType, Region, COUNT(*) FROM Vaccines GROUP BY VaccineType, Region;
|
List all festivals with a genre specification
|
CREATE TABLE festivals (festival_id INT PRIMARY KEY,festival_name VARCHAR(100),location VARCHAR(100),genre VARCHAR(50),attendance INT); INSERT INTO festivals (festival_id,festival_name,location,genre,attendance) VALUES (1,'Fyre Festival','Great Exuma,Bahamas','Pop',45000); INSERT INTO festivals (festival_id,festival_name,location,genre,attendance) VALUES (2,'Primavera Sound','Barcelona,Spain','Indie',220000); INSERT INTO festivals (festival_id,festival_name,location,genre,attendance) VALUES (3,'SummerStage','New York City,NY','Jazz',60000);
|
SELECT festival_name FROM festivals WHERE genre IS NOT NULL;
|
What is the average age of inmates who have participated in restorative justice programs, grouped by their gender?
|
CREATE TABLE inmates (id INT,age INT,gender VARCHAR(10),restorative_program BOOLEAN);
|
SELECT gender, AVG(age) avg_age FROM inmates WHERE restorative_program = TRUE GROUP BY gender;
|
What was the average donation amount by state in Q1 2022?
|
CREATE TABLE Donations (id INT,state VARCHAR(2),donation_amount DECIMAL(5,2),donation_date DATE); INSERT INTO Donations (id,state,donation_amount,donation_date) VALUES (1,'NY',50.00,'2022-01-01'),(2,'CA',100.00,'2022-01-15'),(3,'TX',75.00,'2022-03-03');
|
SELECT AVG(donation_amount) as avg_donation, state FROM Donations WHERE donation_date BETWEEN '2022-01-01' AND '2022-03-31' GROUP BY state;
|
What are the names and birthdates of policyholders who have an automotive policy in California?
|
CREATE TABLE Policyholder (PolicyholderID INT,Name TEXT,Birthdate DATE,PolicyType TEXT,PolicyState TEXT); INSERT INTO Policyholder (PolicyholderID,Name,Birthdate,PolicyType,PolicyState) VALUES (1,'James Smith','1985-03-14','Automotive','California'); INSERT INTO Policyholder (PolicyholderID,Name,Birthdate,PolicyType,PolicyState) VALUES (2,'Ava Jones','1990-08-08','Homeowners','Texas');
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SELECT Name, Birthdate FROM Policyholder WHERE PolicyType = 'Automotive' AND PolicyState = 'California';
|
What is the average mental health score of students per city?
|
CREATE TABLE schools (school_id INT,school_name VARCHAR(255),city VARCHAR(255)); CREATE TABLE student_mental_health (student_id INT,school_id INT,mental_health_score INT); INSERT INTO schools (school_id,school_name,city) VALUES (1,'School A','City X'),(2,'School B','City X'),(3,'School C','City Y'); INSERT INTO student_mental_health (student_id,school_id,mental_health_score) VALUES (1,1,70),(2,1,80),(3,2,60),(4,2,75),(5,3,90),(6,3,85);
|
SELECT s.city, AVG(smh.mental_health_score) as avg_score FROM student_mental_health smh JOIN schools s ON smh.school_id = s.school_id GROUP BY s.city;
|
Top 3 most common topics covered in articles by gender?
|
CREATE TABLE Articles (id INT,author TEXT,gender TEXT,topic TEXT); INSERT INTO Articles (id,author,gender,topic) VALUES (1,'Author 1','Female','Topic 1'),(2,'Author 1','Female','Topic 2'),(3,'Author 2','Male','Topic 1');
|
SELECT gender, topic, COUNT(*) as topic_count FROM Articles GROUP BY gender, topic ORDER BY topic_count DESC LIMIT 3;
|
What is the total amount donated by each education level?
|
CREATE TABLE DonorDemographics (DonorID INT,Gender VARCHAR(255),Income DECIMAL(10,2),EducationLevel VARCHAR(255));
|
SELECT EducationLevel, SUM(Amount) as TotalDonated FROM Donations D JOIN DonorDemographics DD ON D.DonorID = DD.DonorID GROUP BY EducationLevel;
|
What is the total budget allocated for program 'Arts' in 2020?
|
CREATE TABLE Budget (program_id INT,program_name VARCHAR(255),year INT,allocated_budget DECIMAL(10,2)); INSERT INTO Budget (program_id,program_name,year,allocated_budget) VALUES (1,'Arts',2020,2000.00),(2,'Education',2020,3000.00),(3,'Environment',2020,4000.00),(1,'Arts',2019,1500.00),(2,'Education',2019,2500.00),(3,'Environment',2019,3500.00);
|
SELECT SUM(allocated_budget) FROM Budget WHERE program_name = 'Arts' AND year = 2020;
|
What is the maximum policy premium for policyholders living in 'Texas' who have a car make of 'Toyota'?
|
CREATE TABLE Policyholders (PolicyholderID INT,Premium DECIMAL(10,2),PolicyholderState VARCHAR(10),CarMake VARCHAR(20)); INSERT INTO Policyholders (PolicyholderID,Premium,PolicyholderState,CarMake) VALUES (1,2500,'Texas','Toyota'),(2,1500,'New York','Honda'),(3,1000,'California','Tesla');
|
SELECT MAX(Premium) FROM Policyholders WHERE PolicyholderState = 'Texas' AND CarMake = 'Toyota';
|
Who are the artists from South America with the highest average artwork value?
|
CREATE TABLE artworks (id INT,artist VARCHAR(100),collection VARCHAR(50),value INT); INSERT INTO artworks (id,artist,collection,value) VALUES (1,'Fernando','South American Collection',1000),(2,'Gabriela','European Collection',1500),(3,'Hugo','South American Collection',1200);
|
SELECT artist, AVG(value) AS avg_value FROM artworks WHERE collection LIKE '%South%American%' GROUP BY artist ORDER BY avg_value DESC LIMIT 1;
|
List the top 3 garment types with the highest sales quantity in the 'GarmentSales' table.
|
CREATE TABLE GarmentSales (garment_type VARCHAR(50),quantity INT); INSERT INTO GarmentSales (garment_type,quantity) VALUES ('T-Shirt',500),('Jeans',300),('Hoodie',200),('Jackets',400);
|
SELECT garment_type, quantity FROM GarmentSales ORDER BY quantity DESC LIMIT 3;
|
Which animal species have a population greater than 1000 in each of their protected habitats?
|
CREATE TABLE animals (id INT,species TEXT,population INT); CREATE TABLE habitats (id INT,name TEXT,animal_id INT); INSERT INTO animals (id,species,population) VALUES (1,'Tiger',1200),(2,'Elephant',1500),(3,'Rhinoceros',800); INSERT INTO habitats (id,name,animal_id) VALUES (1,'Habitat1',1),(2,'Habitat2',2),(3,'Habitat3',2),(4,'Habitat4',3);
|
SELECT a.species FROM animals a JOIN habitats h ON a.id = h.animal_id GROUP BY a.species HAVING COUNT(DISTINCT h.name) = SUM(CASE WHEN a.population > 1000 THEN 1 ELSE 0 END);
|
What is the total number of cases in the justice system that were resolved through restorative justice programs?
|
CREATE TABLE cases (id INT,resolution_type VARCHAR(20)); INSERT INTO cases (id,resolution_type) VALUES (1,'Restorative Justice'),(2,'Prison'),(3,'Fine');
|
SELECT COUNT(*) FROM cases WHERE resolution_type = 'Restorative Justice';
|
What is the total inventory cost for vegan menu items?
|
CREATE TABLE menu (item_id INT,item_name TEXT,category TEXT,cost FLOAT); INSERT INTO menu (item_id,item_name,category,cost) VALUES (1,'Quinoa Salad','Vegan',7.50),(2,'Tofu Stir Fry','Vegan',8.99),(3,'Chickpea Curry','Vegan',9.49);
|
SELECT SUM(cost) FROM menu WHERE category = 'Vegan';
|
What is the maximum number of members in a union?
|
CREATE TABLE union_membership (id INT,union VARCHAR(20),member_count INT); INSERT INTO union_membership (id,union,member_count) VALUES (1,'construction',3500),(2,'education',8000),(3,'manufacturing',5000);
|
SELECT MAX(member_count) FROM union_membership;
|
Calculate veteran unemployment rates by state, for the past 6 months
|
CREATE TABLE veteran_employment (veteran_id INT,veteran_state VARCHAR(2),employment_status VARCHAR(255),employment_date DATE);
|
SELECT veteran_state, AVG(CASE WHEN employment_status = 'Unemployed' THEN 100 ELSE 0 END) as unemployment_rate FROM veteran_employment WHERE employment_date >= DATEADD(month, -6, CURRENT_DATE) GROUP BY veteran_state;
|
What is the average amount of climate finance provided to small island nations for climate adaptation projects between 2016 and 2020?
|
CREATE TABLE climate_finance (year INT,country VARCHAR(50),initiative VARCHAR(50),amount FLOAT); INSERT INTO climate_finance (year,country,initiative,amount) VALUES (2016,'Small Island Nation 1','climate adaptation',100000);
|
SELECT AVG(amount) FROM climate_finance WHERE country LIKE '%small island nation%' AND initiative = 'climate adaptation' AND year BETWEEN 2016 AND 2020;
|
What are the top 3 digital assets by market capitalization, excluding those developed by Bitcoin developers?
|
CREATE TABLE assets (asset_name VARCHAR(255),developer VARCHAR(255),market_cap FLOAT); INSERT INTO assets (asset_name,developer,market_cap) VALUES ('Ethereum','Vitalik Buterin',450.3); INSERT INTO assets (asset_name,developer,market_cap) VALUES ('Bitcoin Cash','Bitcoin Devs',220.1);
|
SELECT asset_name, developer, market_cap FROM (SELECT asset_name, developer, market_cap, ROW_NUMBER() OVER (ORDER BY market_cap DESC) as row_num FROM assets WHERE developer NOT IN ('Bitcoin Devs')) tmp WHERE row_num <= 3;
|
What is the total number of military bases in the 'US_Military_Bases' table?
|
CREATE SCHEMA IF NOT EXISTS defense_security;CREATE TABLE IF NOT EXISTS defense_security.US_Military_Bases (id INT PRIMARY KEY,base_name VARCHAR(255),location VARCHAR(255),type VARCHAR(255));INSERT INTO defense_security.US_Military_Bases (id,base_name,location,type) VALUES (1,'Fort Bragg','North Carolina','Army Base');
|
SELECT COUNT(*) FROM defense_security.US_Military_Bases;
|
Find the total budget for 'Disability Accommodations' and 'Policy Advocacy' combined.
|
CREATE TABLE BudgetCategories (ID INT,Category TEXT,Amount FLOAT); INSERT INTO BudgetCategories (ID,Category,Amount) VALUES (1,'Disability Accommodations',75000.00),(2,'Policy Advocacy',25000.00),(3,'Health Care',125000.00);
|
SELECT SUM(Amount) FROM BudgetCategories WHERE Category IN ('Disability Accommodations', 'Policy Advocacy');
|
What is the earliest excavation date in the 'africa' region?
|
CREATE TABLE ExcavationDates (SiteID INT,Region VARCHAR(50),ExcavationDate DATE); INSERT INTO ExcavationDates (SiteID,Region,ExcavationDate) VALUES (1,'africa','2020-01-01'),(2,'americas','2019-01-01');
|
SELECT MIN(ExcavationDate) AS EarliestExcavationDate FROM ExcavationDates WHERE Region = 'africa';
|
Show the top 3 products by quantity for the 'metallurgy' department
|
CREATE TABLE departments (id INT,name VARCHAR(20)); CREATE TABLE products (id INT,department INT,name VARCHAR(20),material VARCHAR(20),quantity INT); INSERT INTO departments (id,name) VALUES (1,'textiles'),(2,'metallurgy'); INSERT INTO products (id,department,name,material,quantity) VALUES (1,1,'beam','steel',100),(2,1,'plate','steel',200),(3,2,'rod','aluminum',150),(4,2,'foil','aluminum',50),(5,1,'yarn','cotton',200),(6,1,'thread','polyester',300),(7,2,'wire','copper',500),(8,2,'screw','steel',800),(9,2,'nut','steel',1000);
|
SELECT name, material, quantity FROM products WHERE department = 2 ORDER BY quantity DESC LIMIT 3;
|
What is the minimum funding amount received by a company founded by a person from the BIPOC community?
|
CREATE TABLE Companies (id INT,name TEXT,industry TEXT,founders TEXT,funding FLOAT,bipoc_founder BOOLEAN); INSERT INTO Companies (id,name,industry,founders,funding,bipoc_founder) VALUES (1,'GreenTech','Green Energy','BIPOC Founder',2000000.00,TRUE); INSERT INTO Companies (id,name,industry,founders,funding,bipoc_founder) VALUES (2,'BlueInnovations','Ocean Technology','White Founder',6000000.00,FALSE);
|
SELECT MIN(funding) FROM Companies WHERE bipoc_founder = TRUE;
|
List the top 5 customers by total transaction amount for the year 2021, including their names and account numbers?
|
CREATE TABLE customers (customer_id INT,customer_name VARCHAR(50),account_number VARCHAR(20),primary_contact VARCHAR(50)); CREATE TABLE transactions (transaction_id INT,customer_id INT,transaction_amount DECIMAL(10,2),transaction_date DATE);
|
SELECT c.customer_name, c.account_number, SUM(t.transaction_amount) as total_transaction_amount FROM customers c JOIN transactions t ON c.customer_id = t.customer_id WHERE transaction_date BETWEEN '2021-01-01' AND '2021-12-31' GROUP BY c.customer_name, c.account_number ORDER BY total_transaction_amount DESC LIMIT 5;
|
Update the email address of the participant 'Lucas' in the 'Dance Workshops' table.
|
CREATE TABLE dance_workshops (workshop_id INT,participant_name VARCHAR(50),email VARCHAR(50)); INSERT INTO dance_workshops (workshop_id,participant_name,email) VALUES (1,'Lucas','[email protected]'),(2,'Nia','[email protected]'),(3,'Kevin','[email protected]');
|
UPDATE dance_workshops SET email = '[email protected]' WHERE participant_name = 'Lucas';
|
Insert a new record into the "employee_training" table for employee E003 with the training topic "Environmental Regulations" on February 14, 2022.
|
CREATE TABLE employee_training (employee_id varchar(10),training_topic varchar(255),training_date date);
|
INSERT INTO employee_training (employee_id,training_topic,training_date) VALUES ('E003','Environmental Regulations','2022-02-14');
|
What is the total number of volunteers from historically underrepresented communities who joined in Q1 2022?
|
CREATE TABLE Volunteers (VolunteerID int,Name varchar(50),Email varchar(50),Community varchar(50),JoinDate date); INSERT INTO Volunteers (VolunteerID,Name,Email,Community,JoinDate) VALUES (1,'Jamila','[email protected]','African American','2022-01-10'),(2,'Hiroshi','[email protected]','Japanese','2022-02-15'),(3,'Marie','[email protected]','French','2022-01-28');
|
SELECT COUNT(*) as TotalVolunteers FROM Volunteers WHERE QUARTER(JoinDate) = 1 AND Community IN ('African American', 'Hispanic', 'Indigenous', 'LGBTQ+', 'People with Disabilities');
|
How many critical security incidents have been reported in each region in the past month?
|
CREATE TABLE security_incidents (id INT,incident_type VARCHAR(255),region VARCHAR(255),severity VARCHAR(255),date DATE); CREATE VIEW incident_summary AS SELECT incident_type,region,severity,date,COUNT(*) OVER (PARTITION BY region ORDER BY date DESC) as incident_count FROM security_incidents;
|
SELECT region, incident_count FROM incident_summary WHERE severity = 'critical' AND date >= DATEADD(month, -1, CURRENT_DATE) GROUP BY region ORDER BY incident_count DESC;
|
How many space missions have been recorded for astronauts from China?
|
CREATE TABLE SpaceMissions (astronaut_name VARCHAR(255),astronaut_country VARCHAR(255),mission_name VARCHAR(255)); INSERT INTO SpaceMissions (astronaut_name,astronaut_country,mission_name) VALUES ('Tayang Yuan','China','Shenzhou 10'),('Fei Junlong','China','Shenzhou 6'),('Nie Haisheng','China','Shenzhou 12');
|
SELECT COUNT(*) FROM SpaceMissions WHERE astronaut_country = 'China';
|
Create a table named 'vehicles' with columns 'vehicle_id', 'route_id', 'last_maintenance_date'
|
CREATE TABLE vehicles (vehicle_id INT,route_id INT,last_maintenance_date DATE);
|
CREATE TABLE vehicles (vehicle_id INT, route_id INT, last_maintenance_date DATE);
|
What is the average number of papers published per month by graduate students in the Mathematics department in the past 2 years?
|
CREATE TABLE graduates (graduate_id INT,name VARCHAR(100),department VARCHAR(50));CREATE TABLE publications (publication_id INT,graduate_id INT,publish_date DATE);
|
SELECT AVG(paper_count) as avg_papers_per_month FROM (SELECT graduate_id, COUNT(*) as paper_count FROM publications p JOIN graduates g ON p.graduate_id = g.graduate_id WHERE g.department = 'Mathematics' AND p.publish_date >= DATEADD(year, -2, GETDATE()) GROUP BY g.graduate_id, EOMONTH(p.publish_date)) as subquery;
|
What is the minimum budget for bioprocess engineering projects in 2020?
|
CREATE TABLE bioprocess_engineering (name VARCHAR(255),year INT,budget FLOAT); INSERT INTO bioprocess_engineering (name,year,budget) VALUES ('ProjectA',2019,8000000),('ProjectB',2020,9000000),('ProjectC',2019,10000000);
|
SELECT MIN(budget) FROM bioprocess_engineering WHERE year = 2020;
|
Display the top 3 most profitable restaurants by total revenue. Use the restaurant_revenue table.
|
CREATE TABLE restaurant_revenue (restaurant_id INT,revenue INT); INSERT INTO restaurant_revenue (restaurant_id,revenue) VALUES (1,1200),(2,1500),(3,800),(4,2000),(5,1700);
|
SELECT restaurant_id, SUM(revenue) as total_revenue FROM restaurant_revenue GROUP BY restaurant_id ORDER BY total_revenue DESC LIMIT 3;
|
List the total production and reserves for oil fields in the North Sea.
|
CREATE TABLE OilFields (FieldID INT,FieldName VARCHAR(50),Country VARCHAR(50),Production INT,Reserves INT); INSERT INTO OilFields (FieldID,FieldName,Country,Production,Reserves) VALUES (1,'Galaxy','USA',20000,500000); INSERT INTO OilFields (FieldID,FieldName,Country,Production,Reserves) VALUES (2,'Apollo','Canada',15000,400000); INSERT INTO OilFields (FieldID,FieldName,Country,Production,Reserves) VALUES (3,'Northstar','North Sea',25000,600000);
|
SELECT Country, SUM(Production) AS Total_Production, SUM(Reserves) AS Total_Reserves FROM OilFields WHERE Country = 'North Sea' GROUP BY Country;
|
What is the total number of properties in urban areas with co-ownership agreements, and their average price?
|
CREATE TABLE property (id INT,price INT,area VARCHAR(255),co_ownership BOOLEAN); INSERT INTO property (id,price,area,co_ownership) VALUES (1,200000,'urban',true),(2,300000,'rural',false);
|
SELECT SUM(price), AVG(price) FROM property WHERE area = 'urban' AND co_ownership = true;
|
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