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What is the total amount donated by new and returning donors? | CREATE TABLE DonorTypes (DonorID int,DonorType varchar(10),DonationAmount decimal(10,2)); INSERT INTO DonorTypes (DonorID,DonorType,DonationAmount) VALUES (1,'New',50.00),(2,'Returning',75.00),(3,'New',62.50); | SELECT DonorType, SUM(DonationAmount) AS TotalDonation FROM DonorTypes GROUP BY DonorType; |
What is the total donation amount for each year? | CREATE TABLE donations (donation_id INT,donation_amount DECIMAL(10,2),donation_year INT); INSERT INTO donations (donation_id,donation_amount,donation_year) VALUES (1,5000.00,2020),(2,3000.00,2019),(3,7000.00,2020),(4,4000.00,2018); CREATE VIEW yearly_donations AS SELECT donation_year,SUM(donation_amount) AS total_donation_amount FROM donations GROUP BY donation_year; | SELECT * FROM yearly_donations; |
How many users have adopted VR technology in India? | CREATE TABLE users_technology (id INT,user_id INT,has_vr BOOLEAN); INSERT INTO users_technology (id,user_id,has_vr) VALUES | SELECT COUNT(DISTINCT user_id) FROM users_technology WHERE has_vr = TRUE |
What is the maximum number of games played concurrently by a player, for each platform? | CREATE TABLE PlayerGames (PlayerID INT,Platform VARCHAR(10),MaxGames INT); INSERT INTO PlayerGames (PlayerID,Platform,MaxGames) VALUES (1,'PC',3); | SELECT Platform, MAX(MaxGames) as MaxConcurrentGames FROM PlayerGames GROUP BY Platform; |
What is the average temperature in region 'Northwest' for the past week, grouped by day? | CREATE TABLE weather_data (temperature FLOAT,time DATETIME,region VARCHAR(20)); INSERT INTO weather_data (temperature,time,region) VALUES (23.5,'2022-06-01 12:00:00','Northwest'); | SELECT DATE(time) as date, AVG(temperature) as avg_temp FROM weather_data WHERE region = 'Northwest' AND time >= DATE_SUB(CURRENT_DATE, INTERVAL 1 WEEK) GROUP BY DATE(time) |
What is the total number of IoT sensors in Brazil as of today? | CREATE TABLE iot_sensors (id INT,location VARCHAR(50),sensor_type VARCHAR(50),installed_date DATE); | SELECT COUNT(id) FROM iot_sensors WHERE location = 'Brazil' AND installed_date <= CURDATE(); |
Add a new record to the "PolicyImpact" table | CREATE TABLE PolicyImpact (ID INT,Policy TEXT,Impact TEXT,StartDate DATE,EndDate DATE); | INSERT INTO PolicyImpact (ID, Policy, Impact, StartDate, EndDate) VALUES (3002, 'Community Policing', 'Increase in community trust by 30%', '2021-01-01', '2022-12-31'); |
What is the maximum co-ownership duration for properties in the neighborhood of 'Chinatown' in San Francisco?' | CREATE TABLE sf_neighborhoods (neighborhood_id INT,name VARCHAR(255),city VARCHAR(255)); INSERT INTO sf_neighborhoods (neighborhood_id,name,city) VALUES (1,'Chinatown','San Francisco'); CREATE TABLE co_ownership (co_ownership_id INT,property_id INT,co_owner_id INT,start_date DATE,end_date DATE); INSERT INTO co_ownership (co_ownership_id,property_id,co_owner_id,start_date,end_date) VALUES (1,1,2,'2010-01-01','2020-01-01'),(2,2,3,'2015-01-01','2022-01-01'); CREATE TABLE properties (property_id INT,city VARCHAR(255)); INSERT INTO properties (property_id,city) VALUES (1,'San Francisco'),(2,'San Francisco'); | SELECT MAX(DATEDIFF(end_date, start_date)) as max_duration FROM co_ownership JOIN properties ON co_ownership.property_id = properties.property_id WHERE properties.city = 'San Francisco' AND name = 'Chinatown'; |
Show the total energy efficiency improvement (in %) for each energy policy in India since 2015 | CREATE TABLE india_energy_policies (id INT,policy_name VARCHAR(100),policy_type VARCHAR(50),enactment_date DATE,improvement_percentage FLOAT); INSERT INTO india_energy_policies (id,policy_name,policy_type,enactment_date,improvement_percentage) VALUES (1,'Policy 1','Renewable Energy','2015-07-14',5.0),(2,'Policy 2','Energy Efficiency','2017-02-28',3.5),(3,'Policy 3','Carbon Pricing','2018-11-11',7.0); | SELECT policy_name, improvement_percentage FROM india_energy_policies WHERE enactment_date <= '2015-01-01' AND country = 'India'; |
What is the combined energy output of all hydro power projects in South America? | CREATE TABLE project_south_america (project_name TEXT,type TEXT,capacity NUMERIC); INSERT INTO project_south_america (project_name,type,capacity) VALUES ('Hydro Dam A','Hydro',15000),('Hydro Dam B','Hydro',16000),('Solar Park C','Solar',5000),('Wind Farm D','Wind',8000); | SELECT SUM(capacity) FROM project_south_america WHERE type = 'Hydro'; |
What is the total installed capacity of renewable energy projects in the state of Florida, grouped by project type and project location? | CREATE TABLE fl_projects (id INT,project_name VARCHAR(100),state VARCHAR(50),project_type VARCHAR(50),project_location VARCHAR(50),installed_capacity INT); INSERT INTO fl_projects (id,project_name,state,project_type,project_location,installed_capacity) VALUES (1,'FL Project A','Florida','Solar','North Florida',10000),(2,'FL Project B','Florida','Wind','Central Florida',20000); | SELECT project_type, project_location, SUM(installed_capacity) FROM fl_projects WHERE state = 'Florida' GROUP BY project_type, project_location; |
How many restaurants serve Mexican food and have a revenue greater than $8000? | CREATE TABLE Restaurants (id INT,name TEXT,type TEXT,revenue FLOAT); INSERT INTO Restaurants (id,name,type,revenue) VALUES (1,'Restaurant A','Italian',5000.00),(2,'Restaurant B','Mexican',8500.00),(3,'Restaurant C','Mexican',7000.00); | SELECT COUNT(*) FROM Restaurants WHERE type = 'Mexican' AND revenue > 8000; |
What is the total cost of ingredients for each menu item, including their organic premium? | CREATE TABLE menu_items (item_id INT,item_name VARCHAR(255),base_cost DECIMAL(10,2),organic_premium DECIMAL(10,2)); INSERT INTO menu_items (item_id,item_name,base_cost,organic_premium) VALUES (1,'Bruschetta',5,1),(2,'Spaghetti Bolognese',8,0),(3,'Calamari',7,2),(4,'Lasagna',10,0); | SELECT item_name, base_cost + organic_premium as total_cost FROM menu_items; |
Find the number of operational spacecraft manufactured by SpaceX. | CREATE TABLE Spacecrafts (Spacecraft_ID INT,Name VARCHAR(100),Manufacturer VARCHAR(100),Operational BOOLEAN); INSERT INTO Spacecrafts (Spacecraft_ID,Name,Manufacturer,Operational) VALUES (1,'Crew Dragon','SpaceX',TRUE); | SELECT COUNT(*) FROM Spacecrafts WHERE Manufacturer = 'SpaceX' AND Operational = TRUE; |
What are the names of space telescopes launched by NASA between 1990 and 2010? | CREATE TABLE SpaceTelescopes (id INT,name VARCHAR(255),country VARCHAR(255),launch_date DATE); INSERT INTO SpaceTelescopes (id,name,country,launch_date) VALUES (1,'Hubble Space Telescope','United States','1990-04-24'); INSERT INTO SpaceTelescopes (id,name,country,launch_date) VALUES (2,'Spitzer Space Telescope','United States','2003-08-25'); | SELECT name FROM SpaceTelescopes WHERE country = 'United States' AND launch_date BETWEEN '1990-01-01' AND '2010-12-31' AND type = 'Space Telescope' |
What is the earliest launch date of a spacecraft by any agency? | CREATE TABLE space_missions (agency VARCHAR(50),spacecraft VARCHAR(50),launch_date DATE); INSERT INTO space_missions (agency,spacecraft,launch_date) VALUES ('NASA','Explorer 1','1958-01-31'),('Soviet Union','Sputnik 1','1957-10-04'),('ESA','Venera 1','1961-02-12'),('ISRO','Aryabhata','1975-04-19'),('CNSA','Dong Fang Hong 1','1970-04-24'); | SELECT MIN(launch_date) FROM space_missions; |
What is the maximum height of an astronaut? | CREATE TABLE MedicalProfiles(astronaut_id INT,height INT,weight INT); | SELECT MAX(height) FROM MedicalProfiles; |
update the age of the athlete with id 100 in the athletes table | CREATE TABLE athletes (id INT PRIMARY KEY,name VARCHAR(100),age INT,sport VARCHAR(50),team VARCHAR(50)); | UPDATE athletes SET age = 26 WHERE id = 100; |
Delete all records from the 'routes' table where the 'route_name' is 'Green Line' | CREATE TABLE routes (id INT,route_name VARCHAR(20),agency VARCHAR(20),start_date DATE); | DELETE FROM routes WHERE route_name = 'Green Line'; |
Find the top 3 most popular garment types sold in the European market. | CREATE TABLE garment_sales (id INT,garment_type VARCHAR(255),region VARCHAR(255),quantity INT); INSERT INTO garment_sales (id,garment_type,region,quantity) VALUES (1,'T-Shirt','Europe',500),(2,'Jeans','Europe',700),(3,'Sweater','Europe',800); | SELECT garment_type, SUM(quantity) as total_quantity FROM garment_sales WHERE region = 'Europe' GROUP BY garment_type ORDER BY total_quantity DESC LIMIT 3; |
Identify the top 3 garments by total sales in each region. | CREATE TABLE garment_sales (id INT,garment_id INT,region VARCHAR(20),quantity INT,price DECIMAL(5,2),sale_date DATE);CREATE VIEW top_selling_garments_by_region AS SELECT region,garment_id,SUM(quantity) as total_sold FROM garment_sales GROUP BY region,garment_id; | SELECT region, garment_id, total_sold, RANK() OVER (PARTITION BY region ORDER BY total_sold DESC) as sales_rank FROM top_selling_garments_by_region WHERE sales_rank <= 3; |
Update the sustainability_metrics table to reflect the latest CO2 emissions data for garment production in Asia. | CREATE TABLE sustainability_metrics (id INT,region VARCHAR(255),co2_emissions INT); INSERT INTO sustainability_metrics (id,region,co2_emissions) VALUES (1,'South America',130),(2,'Europe',100),(3,'Asia',150); | UPDATE sustainability_metrics SET co2_emissions = 160 WHERE region = 'Asia'; |
How many claims were processed for each policy type in the Underwriting department in Q3 2022? | CREATE TABLE Claims (ClaimID INT,PolicyType VARCHAR(20),ProcessingDepartment VARCHAR(20),ProcessingDate DATE); INSERT INTO Claims (ClaimID,PolicyType,ProcessingDepartment,ProcessingDate) VALUES (1,'Auto','Underwriting','2022-07-15'),(2,'Home','Claims','2022-06-20'),(3,'Auto','Underwriting','2022-08-01'); | SELECT PolicyType, COUNT(*) as TotalClaims FROM Claims WHERE ProcessingDepartment = 'Underwriting' AND ProcessingDate BETWEEN '2022-07-01' AND '2022-09-30' GROUP BY PolicyType; |
What is the average claim amount for policyholders with multiple claims in the last 6 months? | CREATE TABLE Claims (ClaimID int,ClaimDate date,ClaimAmount decimal(10,2),PolicyType varchar(50),PolicyholderID int); INSERT INTO Claims (ClaimID,ClaimDate,ClaimAmount,PolicyType,PolicyholderID) VALUES (1,'2022-01-15',4500.00,'Auto',1001),(2,'2022-02-03',3200.00,'Home',1002),(3,'2022-03-17',5700.00,'Auto',1001),(4,'2022-04-01',6100.00,'Life',1004),(5,'2022-05-12',4200.00,'Auto',1001),(6,'2022-06-20',3800.00,'Home',1002); CREATE TABLE Policyholders (PolicyholderID int,FirstName varchar(50),LastName varchar(50)); INSERT INTO Policyholders (PolicyholderID,FirstName,LastName) VALUES (1001,'Mohammed','Ali'),(1002,'Sarah','Smith'),(1003,'Pedro','Gonzales'),(1004,'Anna','Jensen'),(1005,'Hiroshi','Tanaka'); | SELECT PolicyholderID, AVG(ClaimAmount) AS AvgClaimAmount FROM (SELECT PolicyholderID, ClaimAmount FROM Claims WHERE ClaimDate >= DATE_SUB(CURRENT_DATE, INTERVAL 6 MONTH) GROUP BY PolicyholderID, ClaimAmount HAVING COUNT(DISTINCT PolicyholderID) > 1) AS Subquery GROUP BY PolicyholderID; |
What is the maximum claim amount for pet insurance policies? | CREATE TABLE PetPolicies (PolicyID int,ClaimAmount decimal); INSERT INTO PetPolicies (PolicyID,ClaimAmount) VALUES (1,100); INSERT INTO PetPolicies (PolicyID,ClaimAmount) VALUES (2,200); INSERT INTO PetPolicies (PolicyID,ClaimAmount) VALUES (3,300); | SELECT MAX(ClaimAmount) FROM PetPolicies; |
Delete all records of workplaces in the state of Georgia. | CREATE TABLE workplaces (id INT,name TEXT,state TEXT); INSERT INTO workplaces (id,name,state) VALUES (1,'GHI Company','Georgia'); | DELETE FROM workplaces WHERE state = 'Georgia'; |
List unions with more than 3 workplaces and their average rates. | CREATE TABLE union_workplaces (id INT,union_id INT,workplace_name VARCHAR(50),injury_rate DECIMAL(5,2)); INSERT INTO union_workplaces (id,union_id,workplace_name,injury_rate) VALUES (1,1001,'ABC Factory',6.5),(2,1001,'DEF Warehouse',2.9),(3,1002,'XYZ Inc',3.2),(4,1003,'LMN Corp',9.1),(5,1003,'OPQ Office',4.7); | SELECT union_id, AVG(injury_rate) as avg_injury_rate FROM union_workplaces GROUP BY union_id HAVING COUNT(*) > 3; |
What is the maximum number of union members in workplaces that have successful collective bargaining in the tech sector? | CREATE TABLE workplaces (id INT,name TEXT,location TEXT,sector TEXT,total_employees INT,union_members INT,successful_cb BOOLEAN,cb_year INT); | SELECT MAX(union_members) FROM workplaces WHERE successful_cb = TRUE AND sector = 'tech'; |
What is the percentage of union members in the construction sector who are people of color? | CREATE TABLE construction (id INT,union_member BOOLEAN,race TEXT); INSERT INTO construction (id,union_member,race) VALUES (1,TRUE,'White'),(2,TRUE,'Black'),(3,FALSE,'Hispanic'),(4,TRUE,'Asian'),(5,FALSE,'White'); | SELECT (COUNT(*) * 100.0 / (SELECT COUNT(*) FROM construction WHERE union_member = TRUE)) FROM construction WHERE race IN ('Black', 'Hispanic', 'Asian'); |
Delete all vehicles with a safety rating below 4.0 in the "vehicle_safety" table. | CREATE TABLE vehicles (id INT,type VARCHAR(50)); CREATE TABLE vehicle_safety (id INT,vehicle_id INT,safety_rating FLOAT); INSERT INTO vehicles VALUES (1,'sedan'); INSERT INTO vehicle_safety VALUES (1,1,4.5); INSERT INTO vehicle_safety VALUES (2,1,3.5); | DELETE FROM vehicle_safety WHERE safety_rating < 4.0; |
Delete records from the safety_records table where the status is 'Failed' and the inspection_date is after '2022-06-01' | CREATE TABLE safety_records (id INT PRIMARY KEY,vessel_id INT,inspection_date DATE,status VARCHAR(255)); INSERT INTO safety_records (id,vessel_id,inspection_date,status) VALUES (1,1,'2022-03-01','Passed'),(2,2,'2022-06-03','Failed'),(3,3,'2021-03-01','Passed'); | DELETE FROM safety_records WHERE status = 'Failed' AND inspection_date > '2022-06-01'; |
Which vessels have traveled between the Port of Santos and the Port of Hong Kong, and what is the median travel time (in days)? | CREATE TABLE Routes (route_id INT,departure_port VARCHAR(20),arrival_port VARCHAR(20)); CREATE TABLE VesselTravel (vessel_id INT,route INT,departure_date DATE,travel_time INT); INSERT INTO Routes (route_id,departure_port,arrival_port) VALUES (1,'Los Angeles','Tokyo'),(2,'Rotterdam','New York'),(3,'Santos','Hong Kong'); INSERT INTO VesselTravel (vessel_id,route,departure_date,travel_time) VALUES (1,1,'2021-01-01',14),(2,1,'2021-02-01',15),(3,1,'2021-03-01',16),(4,3,'2021-01-01',20),(5,3,'2021-02-01',21),(6,3,'2021-03-01',22),(7,3,'2021-04-01',19),(8,3,'2021-05-01',20),(9,3,'2021-06-01',23); | SELECT vessel_id, MEDIAN(travel_time) as median_travel_time FROM VesselTravel WHERE route = 3 GROUP BY vessel_id; |
What is the distribution of visitor age groups across museums? | CREATE TABLE MuseumVisitors (visitor_id INT,museum_id INT,age INT); INSERT INTO MuseumVisitors (visitor_id,museum_id,age) VALUES (1,100,25),(2,101,30),(3,102,45); | SELECT museum_id, CASE WHEN age BETWEEN 0 AND 17 THEN 'Children' WHEN age BETWEEN 18 AND 35 THEN 'Young Adults' WHEN age BETWEEN 36 AND 55 THEN 'Adults' ELSE 'Seniors' END as age_group, COUNT(*) as visitor_count FROM MuseumVisitors GROUP BY museum_id, age_group; |
Update recycling initiative records in Paris in 2022 | CREATE TABLE recycling_initiatives (year INT,city VARCHAR(255),initiative_type VARCHAR(255)); INSERT INTO recycling_initiatives (year,city,initiative_type) VALUES (2022,'Paris','Plastic Recycling'),(2022,'Paris','Paper Recycling'),(2022,'Paris','Glass Recycling'); | UPDATE recycling_initiatives SET initiative_type = 'Composting' WHERE year = 2022 AND city = 'Paris'; |
What is the total landfill capacity in Japan and China? | CREATE TABLE LandfillCapacity (country VARCHAR(255),capacity INT); INSERT INTO LandfillCapacity (country,capacity) VALUES ('Japan',850000),('China',2300000); | SELECT SUM(capacity) FROM LandfillCapacity WHERE country IN ('Japan', 'China') |
Find the number of wastewater treatment plants in California and Texas. | CREATE TABLE treatment_plants (state TEXT,num_plants INT); INSERT INTO treatment_plants (state,num_plants) VALUES ('California',321),('Texas',456),('New York',123),('Florida',345); | SELECT num_plants FROM treatment_plants WHERE state IN ('California', 'Texas') |
Show the water usage distribution by city in 'RegionE' | CREATE TABLE City_Water_Usage (id INT,city VARCHAR(20),water_usage FLOAT,region VARCHAR(20)); INSERT INTO City_Water_Usage (id,city,water_usage,region) VALUES (1,'City1',12.5,'RegionE'),(2,'City2',10.0,'RegionE'),(3,'City3',15.0,'RegionF'); | SELECT city, water_usage FROM City_Water_Usage WHERE region = 'RegionE' ORDER BY water_usage; |
Calculate the maximum duration of any workout for users aged 40-50. | CREATE TABLE workouts (id INT,user_id INT,duration INT,date DATE); | SELECT MAX(duration) FROM workouts w JOIN users u ON w.user_id = u.id WHERE u.age BETWEEN 40 AND 50; |
What is the average safety score for AI models in the healthcare industry? | CREATE TABLE ai_models (model_name TEXT,industry TEXT,safety_score FLOAT); INSERT INTO ai_models (model_name,industry,safety_score) VALUES ('ModelA','Healthcare',0.85),('ModelB','Finance',0.92),('ModelC','Retail',0.78),('ModelD','Healthcare',0.95); | SELECT industry, AVG(safety_score) FROM ai_models WHERE industry = 'Healthcare' GROUP BY industry; |
How many community development initiatives were started but not completed in Rwanda between 2017 and 2019? | CREATE TABLE CommunityDevelopment (id INT,country VARCHAR(50),initiative VARCHAR(50),start_date DATE,completion_date DATE); INSERT INTO CommunityDevelopment (id,country,initiative,start_date,completion_date) VALUES (1,'Rwanda','Library Construction','2017-12-15','2018-06-30'),(2,'Rwanda','Water Purification Plant','2018-07-22','2019-02-28'),(3,'Ghana','Community Health Center','2019-04-01','2020-01-01'); | SELECT COUNT(*) FROM CommunityDevelopment WHERE country = 'Rwanda' AND start_date BETWEEN '2017-01-01' AND '2019-12-31' AND completion_date IS NULL; |
Insert new records into the 'rural_infrastructure' table for a new water supply project in Kenya | CREATE TABLE rural_infrastructure (id INT,project_name VARCHAR(255),country VARCHAR(255),sector VARCHAR(255)); | INSERT INTO rural_infrastructure (id, project_name, country, sector) VALUES (1, 'Water Supply Project', 'Kenya', 'Water & Sanitation'); |
What is the total number of agricultural innovation metrics reported in Brazil? | CREATE TABLE Metrics (id INT,metric_id INT,metric_type VARCHAR(20),country VARCHAR(20),report_date DATE); INSERT INTO Metrics (id,metric_id,metric_type,country,report_date) VALUES (1,5001,'Agricultural Innovation','Brazil','2020-01-01'),(2,5002,'Economic Diversification','Brazil','2020-02-15'),(3,5003,'Agricultural Innovation','Brazil','2020-03-31'); | SELECT COUNT(*) FROM Metrics WHERE metric_type = 'Agricultural Innovation' AND country = 'Brazil'; |
Which rural infrastructure projects were completed before 2020 and their respective completion dates in the 'rural_infrastructure' table? | CREATE TABLE rural_infrastructure (id INT,project_name VARCHAR(50),location VARCHAR(50),budget DECIMAL(10,2),completion_date DATE); INSERT INTO rural_infrastructure (id,project_name,location,budget,completion_date) VALUES (1,'Water Supply','Village A',25000.00,'2018-05-15'),(2,'Road Construction','Village B',50000.00,'2019-08-22'),(3,'Electricity Supply','Village A',30000.00,'2021-03-30'); | SELECT project_name, completion_date FROM rural_infrastructure WHERE completion_date < '2020-01-01'; |
How many times did the program "Dance Performances" occur in each borough of New York City in 2019? | CREATE TABLE Events (EventID int,EventName varchar(50),Borough varchar(50),Year int); INSERT INTO Events (EventID,EventName,Borough,Year) VALUES (1,'Dance Performances','Manhattan',2019),(2,'Music Concert','Brooklyn',2019); | SELECT Borough, COUNT(*) as EventCount FROM Events WHERE EventName = 'Dance Performances' AND Year = 2019 GROUP BY Borough; |
Insert a new record for a TV show with title "ShowC", genre "Drama", and release year 2020. | CREATE TABLE tv_shows (id INT,title VARCHAR(100),genre VARCHAR(50),release_year INT); | INSERT INTO tv_shows (title, genre, release_year) VALUES ('ShowC', 'Drama', 2020); |
What is the minimum rating for movies released in 2021 and rated PG-13? | CREATE TABLE MovieRatings (movie_id INT,release_date DATE,rating DECIMAL(3,2),rating_category VARCHAR(255)); INSERT INTO MovieRatings (movie_id,release_date,rating,rating_category) VALUES (1,'2021-01-01',7.2,'PG-13'),(2,'2020-05-15',8.8,'G'),(3,'2021-09-22',6.5,'PG-13'); | SELECT MIN(rating) FROM MovieRatings WHERE release_date >= '2021-01-01' AND release_date < '2022-01-01' AND rating_category = 'PG-13'; |
List the approved clinical trials for drug 'DrugX' in 2019? | CREATE TABLE clinical_trials_data (drug_name VARCHAR(50),approval_year INT,approval_status VARCHAR(10)); INSERT INTO clinical_trials_data (drug_name,approval_year,approval_status) VALUES ('DrugX',2019,'Approved'),('DrugY',2018,'Rejected'); | SELECT drug_name FROM clinical_trials_data WHERE drug_name = 'DrugX' AND approval_year = 2019 AND approval_status = 'Approved'; |
What is the average duration of clinical trials for a specific drug category? | CREATE TABLE trial_duration (drug_category VARCHAR(255),trial_duration INT); | SELECT AVG(trial_duration) FROM trial_duration WHERE drug_category = 'CategoryZ'; |
What is the most common age range for HIV patients in South Africa? | CREATE TABLE hiv_patients (id INT,patient_id INT,age INT,gender VARCHAR(10),location VARCHAR(50)); INSERT INTO hiv_patients (id,patient_id,age,gender,location) VALUES (1,601,28,'Male','South Africa'); INSERT INTO hiv_patients (id,patient_id,age,gender,location) VALUES (2,602,45,'Female','South Africa'); | SELECT age DIV 10 * 10 AS age_range, COUNT(*) FROM hiv_patients WHERE location = 'South Africa' GROUP BY age_range ORDER BY COUNT(*) DESC LIMIT 1; |
Calculate the percentage of inclusion efforts in the "Midwest" region. | CREATE TABLE inclusion_efforts (effort_id INT,region VARCHAR(10),type VARCHAR(20)); INSERT INTO inclusion_efforts (effort_id,region,type) VALUES (1,'Northeast','Training'),(2,'Southeast','Hiring'),(3,'Midwest','Accessibility'),(4,'Northeast','Events'); | SELECT 100.0 * COUNT(*) / (SELECT COUNT(*) FROM inclusion_efforts) AS percentage FROM inclusion_efforts WHERE region = 'Midwest'; |
What is the maximum depth of any trench in the Southern Ocean? | CREATE TABLE oceanography (id INT,location VARCHAR(255),depth INT); INSERT INTO oceanography (id,location,depth) VALUES (1,'Southern Ocean Trench',8000); | SELECT MAX(depth) FROM oceanography WHERE location = 'Southern Ocean Trench'; |
Which ingredients are used in products that are not cruelty-free? | CREATE TABLE ingredients (ingredient_id INT PRIMARY KEY,ingredient_name VARCHAR(50)); CREATE TABLE products (product_id INT PRIMARY KEY,cruelty_free BOOLEAN); CREATE TABLE product_ingredients (product_id INT,ingredient_id INT,PRIMARY KEY (product_id,ingredient_id),FOREIGN KEY (product_id) REFERENCES products(product_id),FOREIGN KEY (ingredient_id) REFERENCES ingredients(ingredient_id)); INSERT INTO ingredients (ingredient_id,ingredient_name) VALUES (1,'Palm Oil'),(2,'Parabens'),(3,'Sulfates'); INSERT INTO products (product_id,cruelty_free) VALUES (1,false),(2,true),(3,false),(4,true),(5,false); INSERT INTO product_ingredients (product_id,ingredient_id) VALUES (1,1),(1,2),(2,3),(3,1),(4,2),(5,1); | SELECT ingredient_name FROM ingredients JOIN product_ingredients ON ingredients.ingredient_id = product_ingredients.ingredient_id JOIN products ON product_ingredients.product_id = products.product_id WHERE products.cruelty_free = false; |
How many veterans are employed by ABC company in California? | CREATE TABLE veteran_employment (id INT,company VARCHAR(50),state VARCHAR(50),num_veterans INT); INSERT INTO veteran_employment (id,company,state,num_veterans) VALUES (1,'ABC','California',1000); INSERT INTO veteran_employment (id,company,state,num_veterans) VALUES (2,'XYZ','California',1500); | SELECT SUM(num_veterans) FROM veteran_employment WHERE company = 'ABC' AND state = 'California'; |
What is the average balance for customers in the West region? | CREATE TABLE customers (id INT,name VARCHAR(50),region VARCHAR(50),balance DECIMAL(10,2)); INSERT INTO customers (id,name,region,balance) VALUES (1,'John Doe','West',5000.00),(2,'Jane Smith','West',7000.00),(3,'Alice Johnson','East',6000.00); | SELECT AVG(balance) FROM customers WHERE region = 'West'; |
What is the maximum transaction amount for clients in the Americas region? | CREATE TABLE clients (client_id INT,region VARCHAR(20)); INSERT INTO clients (client_id,region) VALUES (1,'North America'),(2,'South America'),(3,'Europe'); CREATE TABLE transactions (transaction_id INT,client_id INT,amount DECIMAL(10,2)); INSERT INTO transactions (transaction_id,client_id,amount) VALUES (1,1,500.00),(2,1,1000.00),(3,2,250.00),(4,3,10000.00); | SELECT MAX(amount) FROM transactions JOIN clients ON transactions.client_id = clients.client_id WHERE clients.region = 'North America'; |
Update the compliance status for a specific regulatory compliance record in the "regulatory_compliance" table | CREATE TABLE regulatory_compliance (id INT PRIMARY KEY,vessel_id INT,regulation_id INT,compliance_date DATE,is_compliant BOOLEAN); | UPDATE regulatory_compliance SET is_compliant = false WHERE id = 2; |
How many employees have completed workforce development training in the textile sector in Bangladesh? | CREATE TABLE employees (employee_id INT,employee_name VARCHAR(255),sector VARCHAR(255),country VARCHAR(255)); INSERT INTO employees (employee_id,employee_name,sector,country) VALUES (1,'John Doe','Textile','Bangladesh'),(2,'Jane Smith','Manufacturing','United States'),(3,'Bob Johnson','Textile','Bangladesh'); CREATE TABLE trainings (training_id INT,training_name VARCHAR(255),sector VARCHAR(255)); INSERT INTO trainings (training_id,training_name,sector) VALUES (1,'Weaving Training','Textile'),(2,'Dyeing Training','Textile'),(3,'Metalworking Training','Manufacturing'); | SELECT COUNT(DISTINCT e.employee_id) as num_employees FROM employees e JOIN trainings t ON e.sector = t.sector WHERE e.country = 'Bangladesh' AND t.training_name = 'Weaving Training'; |
What is the average salary of workers in the 'manufacturing' industry across all regions? | CREATE TABLE regions (region_id INT,region_name TEXT); CREATE TABLE workers (worker_id INT,worker_name TEXT,salary INT,region_id INT); CREATE TABLE industries (industry_id INT,industry_name TEXT); INSERT INTO regions VALUES (1,'North'),(2,'South'),(3,'East'),(4,'West'); INSERT INTO workers VALUES (1,'John',50000,1),(2,'Jane',55000,1),(3,'Bob',60000,2),(4,'Alice',58000,3); INSERT INTO industries VALUES (1,'manufacturing'),(2,'technology'),(3,'finance'),(4,'retail'); | SELECT AVG(salary) FROM workers INNER JOIN industries ON workers.region_id = regions.region_id WHERE industries.industry_name = 'manufacturing'; |
What is the average budget allocated for cybersecurity operations in the last 3 years? | CREATE TABLE budget (fiscal_year INT,amount INT,category TEXT);INSERT INTO budget (fiscal_year,amount,category) VALUES (2019,5000000,'Cybersecurity');INSERT INTO budget (fiscal_year,amount,category) VALUES (2020,5500000,'Cybersecurity');INSERT INTO budget (fiscal_year,amount,category) VALUES (2021,6000000,'Cybersecurity'); | SELECT AVG(amount) FROM budget WHERE category = 'Cybersecurity' AND fiscal_year BETWEEN 2019 AND 2021; |
What is the distribution of lifelong learning course enrollments by age group, in total? | CREATE TABLE lifelong_learning (student_id INT,age_group VARCHAR(255),course_id INT); CREATE TABLE courses (course_id INT,course_name VARCHAR(255)); | SELECT l.age_group, COUNT(l.course_id) FROM lifelong_learning l INNER JOIN courses c ON l.course_id = c.course_id GROUP BY l.age_group; |
Which students have improved their mental health score the most? | CREATE TABLE student_mental_health (student_id INT,score INT,year INT); INSERT INTO student_mental_health (student_id,score,year) VALUES (1,80,2021),(1,85,2022),(2,70,2021),(2,75,2022),(3,90,2021),(3,95,2022); | SELECT student_id, MAX(score) - MIN(score) as score_improvement FROM student_mental_health GROUP BY student_id ORDER BY score_improvement DESC; |
What is the average salary of employees in each position? | CREATE TABLE Employees (EmployeeID INT,Name VARCHAR(50),Department VARCHAR(50),Position VARCHAR(50),Salary FLOAT); INSERT INTO Employees (EmployeeID,Name,Department,Position,Salary) VALUES (1,'John Doe','IT','Developer',75000.00),(2,'Jane Smith','IT','Developer',80000.00),(3,'Alice Johnson','Marketing','Marketing Specialist',60000.00),(4,'Bob Brown','HR','HR Specialist',65000.00); | SELECT Position, AVG(Salary) FROM Employees GROUP BY Position; |
What is the total energy produced by renewable sources in Germany for the year 2020? | CREATE TABLE renewable_energy (country VARCHAR(255),year INT,energy_produced FLOAT); INSERT INTO renewable_energy (country,year,energy_produced) VALUES ('Germany',2020,123.45); | SELECT SUM(energy_produced) FROM renewable_energy WHERE country = 'Germany' AND year = 2020; |
How many games have been played in the 'NHL' league since the year 2000? | CREATE TABLE games (game_id INT,team1 VARCHAR(50),team2 VARCHAR(50),league VARCHAR(50),season INT,year INT); INSERT INTO games (game_id,team1,team2,league,season,year) VALUES (1,'Sharks','Kings','NHL',2000,2000); | SELECT COUNT(*) FROM games WHERE league = 'NHL' AND year >= 2000; |
What is the number of fans engaging with each team's social media on a daily basis? | CREATE TABLE social_media (team VARCHAR(255),date DATE,engagement INT); INSERT INTO social_media (team,date,engagement) VALUES ('Bears','2022-01-01',5000),('Bears','2022-01-02',6000),('Bills','2022-01-01',3000),('Bills','2022-01-02',4000); | SELECT team, AVG(engagement) FROM social_media GROUP BY team; |
What is the minimum number of team members in 'disaster_response_teams' table? | CREATE TABLE disaster_response_teams (id INT,team_name VARCHAR(255),team_size INT); INSERT INTO disaster_response_teams (id,team_name,team_size) VALUES (1,'Team A',5),(2,'Team B',10),(3,'Team C',15); | SELECT MIN(team_size) as min_team_size FROM disaster_response_teams; |
What is the total amount of funds raised by NGOs for disaster relief efforts in Africa in the year 2019? | CREATE TABLE ngo_funds(id INT,ngo_name TEXT,region TEXT,amount FLOAT,year INT); INSERT INTO ngo_funds(id,ngo_name,region,amount,year) VALUES (1,'Oxfam','Africa',500000.00,2019),(2,'Save the Children','Africa',600000.00,2019),(3,'World Vision','South Asia',700000.00,2019); | SELECT SUM(amount) FROM ngo_funds WHERE region = 'Africa' AND year = 2019; |
Which region has the highest average shelter capacity? | CREATE TABLE region (region_id INT,name VARCHAR(255)); INSERT INTO region (region_id,name) VALUES (1,'west_africa'),(2,'east_asia'),(3,'south_america'); CREATE TABLE shelter (shelter_id INT,name VARCHAR(255),region_id INT,capacity INT); INSERT INTO shelter (shelter_id,name,region_id,capacity) VALUES (1,'Shelter1',1,50),(2,'Shelter2',1,75),(3,'Shelter3',2,100),(4,'Shelter4',3,150); | SELECT region_id, AVG(capacity) as avg_capacity FROM shelter GROUP BY region_id ORDER BY avg_capacity DESC LIMIT 1; |
What is the minimum price of devices produced by companies located in underrepresented communities? | CREATE TABLE Devices (id INT,name VARCHAR(50),company VARCHAR(50),price DECIMAL(5,2),community VARCHAR(50)); INSERT INTO Devices (id,name,company,price,community) VALUES (1,'Phone X','ABC Tech',200.00,'Minority Owned Business'),(2,'Tablet Y','XYZ Enterprises',350.00,'Women Owned Business'),(3,'Laptop Z','Tech for Good',700.00,'Non-Profit'); | SELECT MIN(price) FROM Devices WHERE community IN ('Minority Owned Business', 'Women Owned Business', 'Non-Profit'); |
What is the maximum number of likes received by a single post in India? | CREATE TABLE post_likes (post_id INT,user_id INT,country VARCHAR(2)); INSERT INTO post_likes (post_id,user_id,country) VALUES (1,1,'US'),(1,2,'IN'),(2,3,'CA'),(2,4,'IN'),(3,5,'IN'); | SELECT MAX(likes) FROM (SELECT post_id, COUNT(*) AS likes FROM post_likes WHERE country = 'IN' GROUP BY post_id) AS post_likes_in; |
How many size 16 customers have made a purchase in the last month? | CREATE TABLE customers(id INT PRIMARY KEY,size INT,last_purchase DATE); INSERT INTO customers(id,size,last_purchase) VALUES (1,16,'2022-01-15'),(2,12,'2022-02-01'),(3,16,'2022-02-10'); | SELECT COUNT(*) FROM customers WHERE size = 16 AND last_purchase >= DATE_SUB(CURDATE(), INTERVAL 1 MONTH); |
What is the total quantity of sustainable fabric used by each supplier? | CREATE TABLE FabricSuppliers (SupplierID INT,SupplierName TEXT,FabricType TEXT,Quantity INT,IsSustainable BOOLEAN); INSERT INTO FabricSuppliers (SupplierID,SupplierName,FabricType,Quantity,IsSustainable) VALUES (1,'SupplierA','Cotton',500,true),(2,'SupplierB','Polyester',300,false),(3,'SupplierC','Wool',150,true); | SELECT SupplierName, SUM(Quantity) as TotalQuantity FROM FabricSuppliers WHERE IsSustainable = true GROUP BY SupplierName; |
Insert new socially responsible lending data into SociallyResponsibleLending table. | CREATE TABLE SociallyResponsibleLending (lendingID INT,lenderName VARCHAR(50),borrowerName VARCHAR(50),amountLent DECIMAL(10,2),interestRate DECIMAL(4,2),lendingDate DATE); INSERT INTO SociallyResponsibleLending (lendingID,lenderName,borrowerName,amountLent,interestRate,lendingDate) VALUES (1,'GreenLenders','EcoFriendlyInc',25000.00,2.50,'2022-02-01'),(2,'FairFinance','HelpingHands',10000.00,1.00,'2022-02-02'); | INSERT INTO SociallyResponsibleLending (lendingID, lenderName, borrowerName, amountLent, interestRate, lendingDate) VALUES (3, 'CommunityBank', 'LocalCharity', 15000.00, 1.50, '2022-02-03'); |
Identify bioprocess engineering papers published in 2021 | CREATE TABLE papers (id INT,title VARCHAR(50),year INT,authors VARCHAR(50),publication VARCHAR(50)); INSERT INTO papers (id,title,year,authors,publication) VALUES (1,'Paper A',2021,'John Doe','Journal of Bioprocessing'); INSERT INTO papers (id,title,year,authors,publication) VALUES (2,'Paper B',2020,'Jane Smith','Journal of Genetic Engineering'); | SELECT * FROM papers WHERE year = 2021 AND domain = 'Bioprocess Engineering'; |
What is the minimum salary of city council members in the city of Chicago? | CREATE TABLE council_members (id INT,city VARCHAR,job_title VARCHAR,salary FLOAT); INSERT INTO council_members (id,city,job_title,salary) VALUES (1,'Chicago','City Council Member',90000.00); | SELECT MIN(salary) FROM council_members WHERE city = 'Chicago' AND job_title = 'City Council Member'; |
What is the total revenue generated from virtual tours in the United Kingdom? | CREATE TABLE virtual_tours (tour_id INT,name TEXT,country TEXT,revenue FLOAT); INSERT INTO virtual_tours VALUES (1,'Virtual London Tour','United Kingdom',60000),(2,'British Museum Tour','United Kingdom',40000); | SELECT SUM(revenue) FROM virtual_tours WHERE country = 'United Kingdom'; |
What is the average number of listings per hotel in 'Americas'? | CREATE TABLE ota_hotels (hotel_id INT,hotel_name TEXT,country TEXT,listings INT); INSERT INTO ota_hotels (hotel_id,hotel_name,country,listings) VALUES (1,'Hotel Paraiso','Mexico',550),(2,'Plaza Hotel','USA',700),(3,'Fazenda Resort','Brazil',850),(4,'Boutique Hotel','Canada',600); | SELECT region, AVG(listings) FROM ota_hotels WHERE region = 'Americas' GROUP BY region; |
What is the percentage of hotels in Europe that offer virtual tours? | CREATE TABLE hotel_features (hotel_id INT,hotel_name TEXT,virtual_tour INT,country TEXT); INSERT INTO hotel_features (hotel_id,hotel_name,virtual_tour,country) VALUES (1,'Hotel A',1,'France'),(2,'Hotel B',0,'Germany'),(3,'Hotel C',1,'Italy'),(4,'Hotel D',0,'France'),(5,'Hotel E',1,'Spain'); | SELECT (COUNT(*) FILTER (WHERE virtual_tour = 1) * 100.0 / COUNT(*)) AS percentage FROM hotel_features WHERE country = 'Europe'; |
What is the percentage of hotels in Paris that have adopted AI technology? | CREATE TABLE hotels (hotel_id INT,hotel_name TEXT,city TEXT,ai_adoption BOOLEAN); INSERT INTO hotels (hotel_id,hotel_name,city,ai_adoption) VALUES (1,'Hotel X','Paris',TRUE),(2,'Hotel Y','London',FALSE); | SELECT (COUNT(CASE WHEN ai_adoption = TRUE THEN 1 END) * 100.0 / COUNT(ai_adoption)) AS percentage FROM hotels WHERE city = 'Paris'; |
What is the species name and corresponding management location for species with a population between 300 and 600? | CREATE TABLE Species (id INT PRIMARY KEY,name VARCHAR(255),population INT); CREATE TABLE ResourceManagement (id INT PRIMARY KEY,location VARCHAR(255),manager VARCHAR(255)); | SELECT Species.name, ResourceManagement.location FROM Species INNER JOIN ResourceManagement ON 1=1 WHERE Species.population BETWEEN 300 AND 600; |
What is the maximum age of patients who have a primary diagnosis of PTSD and have attended at least one therapy session? | CREATE TABLE patients (id INT,name TEXT,age INT,condition TEXT,therapy_sessions INT); | SELECT MAX(age) FROM patients WHERE condition = 'PTSD' AND therapy_sessions > 0; |
What is the total cost of projects with 'Solar' as project_name in the 'renewable_energy' table? | CREATE TABLE renewable_energy (id INT,project_name VARCHAR(50),location VARCHAR(50),cost FLOAT); INSERT INTO renewable_energy (id,project_name,location,cost) VALUES (1,'Solar Farm','Miami',10000000); INSERT INTO renewable_energy (id,project_name,location,cost) VALUES (2,'Wind Farm','Seattle',6000000); | SELECT SUM(cost) FROM renewable_energy WHERE project_name LIKE '%Solar%'; |
Show travel advisory updates for Southeast Asian countries in the last month | CREATE TABLE travel_advisories (id INT,country VARCHAR(255),advisory_date DATE,advisory_update TEXT); INSERT INTO travel_advisories (id,country,advisory_date,advisory_update) VALUES (1,'Thailand','2023-02-10','Protests in Bangkok...'),(2,'Vietnam','2023-02-15','New entry requirements...'),(3,'Cambodia','2023-01-20','Typhoon warnings...'),(4,'Indonesia','2023-01-05','Volcano eruption...'); | SELECT country, advisory_update FROM travel_advisories WHERE country IN ('Thailand', 'Vietnam', 'Cambodia', 'Indonesia', 'Laos', 'Malaysia', 'Myanmar', 'Philippines', 'Singapore', 'Brunei') AND advisory_date >= DATEADD(day, -30, CURRENT_DATE); |
What is the average hotel price for beachfront hotels in Mexico? | CREATE TABLE hotels (hotel_id INT,name TEXT,country TEXT,has_beachfront BOOLEAN,price INT); INSERT INTO hotels (hotel_id,name,country,has_beachfront,price) VALUES (1,'Beach Palace','Mexico',true,200),(2,'Green Valley','USA',false,150); | SELECT AVG(price) FROM hotels WHERE has_beachfront = true AND country = 'Mexico'; |
What was the total number of tourists who visited Asian museums in 2019 and 2020? | CREATE TABLE museum_visitors (country VARCHAR(20),museum VARCHAR(50),visitors INT,year INT); INSERT INTO museum_visitors (country,museum,visitors,year) VALUES ('Japan','Tokyo National Museum',3000000,2019),('China','Forbidden City',4000000,2019),('Japan','Tokyo National Museum',2500000,2020),('China','Forbidden City',3000000,2020); | SELECT year, SUM(visitors) as total_visitors FROM museum_visitors WHERE country IN ('Japan', 'China') GROUP BY year; |
What is the total population of marine species in the Southern hemisphere? | CREATE TABLE marine_species (id INT,name TEXT,population INT,location TEXT); INSERT INTO marine_species (id,name,population,location) VALUES (1,'Dolphin',50,'Atlantic'); INSERT INTO marine_species (id,name,population,location) VALUES (2,'Turtle',25,'Atlantic'); INSERT INTO marine_species (id,name,population,location) VALUES (3,'Shark',100,'Pacific'); INSERT INTO marine_species (id,name,population,location) VALUES (4,'Whale',200,'Antarctic'); | SELECT SUM(population) FROM marine_species WHERE location LIKE 'S%'; |
What is the average salary of full-time employees in the Mining department? | CREATE TABLE Employees (id INT,name VARCHAR(50),department VARCHAR(50),salary FLOAT); INSERT INTO Employees (id,name,department,salary) VALUES (1,'John Doe','Mining',75000.00),(2,'Jane Smith','HR',60000.00); | SELECT AVG(salary) FROM Employees WHERE department = 'Mining' AND employment_status = 'Full-time'; |
What is the percentage of female workers in the mining industry by role? | CREATE TABLE workers (id INT,role TEXT,gender TEXT); INSERT INTO workers (id,role,gender) VALUES (1,'Manager','Male'),(2,'Engineer','Female'),(3,'Operator','Male'),(4,'Manager','Female'),(5,'Engineer','Male'),(6,'Operator','Female'); | SELECT role, (COUNT(*) FILTER (WHERE gender = 'Female')) * 100.0 / COUNT(*) FROM workers GROUP BY role; |
How many unique volunteers worked on projects in each cause area? | CREATE TABLE volunteers (id INT,name VARCHAR(30),cause_area VARCHAR(20)); INSERT INTO volunteers (id,name,cause_area) VALUES (1,'Bob','children'),(2,'Alice','children'),(3,'Charlie','health'); | SELECT cause_area, COUNT(DISTINCT name) FROM volunteers GROUP BY cause_area; |
Insert a new record for a volunteer who has provided their email address | CREATE TABLE volunteer (vol_id INT,vol_name TEXT,org_id INT,vol_email TEXT); | INSERT INTO volunteer (vol_id, vol_name, org_id, vol_email) VALUES (4, 'David', 1, '[email protected]'); |
What is the total amount donated by small donors in the 'animals' cause area? | CREATE TABLE donations (id INT,donor_size VARCHAR(10),cause_area VARCHAR(20),amount INT); INSERT INTO donations (id,donor_size,cause_area,amount) VALUES (1,'small','animals',500); | SELECT SUM(amount) FROM donations WHERE donor_size = 'small' AND cause_area = 'animals'; |
What is the total donation amount for the 'Food' department in the 'Donations' table? | CREATE TABLE Donations (id INT,department VARCHAR(20),amount FLOAT); INSERT INTO Donations (id,department,amount) VALUES (1,'Animals',500.00),(2,'Food',700.00); | SELECT SUM(amount) FROM Donations WHERE department = 'Food' |
How many public schools and public libraries exist in total, in the 'CityData' schema's 'CityEducation' and 'CityLibrary' tables? | CREATE SCHEMA CityData; CREATE TABLE CityEducation (Name varchar(255),Type varchar(255)); INSERT INTO CityEducation (Name,Type) VALUES ('SchoolA','Public'),('SchoolB','Public'),('SchoolC','Private'); CREATE TABLE CityLibrary (Name varchar(255),Type varchar(255)); INSERT INTO CityLibrary (Name,Type) VALUES ('LibraryA','Public'),('LibraryB','Public'),('LibraryC','Private'); | SELECT COUNT(*) FROM CityData.CityEducation WHERE Type = 'Public' UNION ALL SELECT COUNT(*) FROM CityData.CityLibrary WHERE Type = 'Public'; |
List all public transportation routes in the city of San Francisco and their respective budgets for 2023, ordered by budget amount in ascending order. | CREATE TABLE routes (city varchar(50),year int,route varchar(50),budget int); INSERT INTO routes (city,year,route,budget) VALUES ('San Francisco',2023,'Route A',3000000),('San Francisco',2023,'Route B',2000000),('San Francisco',2023,'Route C',1000000),('San Francisco',2023,'Route D',4000000); | SELECT route, budget FROM routes WHERE city = 'San Francisco' AND year = 2023 ORDER BY budget ASC; |
What is the ratio of affordable to total housing units for each community type? | CREATE TABLE Community_Types (name VARCHAR(50),affordable_housing INT,total_housing INT); INSERT INTO Community_Types (name,affordable_housing,total_housing) VALUES ('Urban',2000,5000),('Suburban',1500,4000),('Rural',500,2000); | SELECT name, affordable_housing/total_housing AS ratio FROM Community_Types; |
What is the maximum CO2 emission reduction achieved by any carbon offset program in the industry sector? | CREATE TABLE co2_emission_reduction (id INT,sector VARCHAR(50),co2_emission_reduction_tonnes INT); INSERT INTO co2_emission_reduction (id,sector,co2_emission_reduction_tonnes) VALUES (1,'Industry',12000),(2,'Energy',15000),(3,'Transportation',10000),(4,'Industry',18000),(5,'Industry',13000); | SELECT MAX(co2_emission_reduction_tonnes) FROM co2_emission_reduction WHERE sector = 'Industry'; |
Count the number of restaurants with sustainable sourcing practices | CREATE TABLE restaurants (id INT,name VARCHAR(255),sustainable_sourcing BOOLEAN); INSERT INTO restaurants (id,name,sustainable_sourcing) VALUES (1,'Restaurant A',TRUE),(2,'Restaurant B',FALSE),(3,'Restaurant C',TRUE),(4,'Restaurant D',FALSE); | SELECT COUNT(*) FROM restaurants WHERE sustainable_sourcing = TRUE; |
What is the total revenue for each restaurant in the 'fine_dining' category? | CREATE TABLE restaurants (id INT,name TEXT,category TEXT); INSERT INTO restaurants (id,name,category) VALUES (1,'Restaurant A','fine_dining'),(2,'Restaurant B','casual_dining'); CREATE TABLE revenue (restaurant_id INT,revenue INT); INSERT INTO revenue (restaurant_id,revenue) VALUES (1,5000),(1,6000),(2,3000); | SELECT r.name, SUM(re.revenue) as total_revenue FROM restaurants r JOIN revenue re ON r.id = re.restaurant_id WHERE r.category = 'fine_dining' GROUP BY r.name; |
Which menu items have had their prices changed more than once? | CREATE TABLE menu_items (item_name VARCHAR(255),price DECIMAL(10,2),last_updated TIMESTAMP); INSERT INTO menu_items (item_name,price,last_updated) VALUES ('Pizza',12.99,'2022-01-01 10:00:00'),('Burrito',9.99,'2022-01-01 11:00:00'),('Pizza',13.99,'2022-02-01 10:00:00'); | SELECT item_name FROM menu_items GROUP BY item_name HAVING COUNT(DISTINCT last_updated) > 1; |
Update 'payment_status' in 'payments' table for payment_id '12345' to 'Completed' | CREATE TABLE payments (payment_id INT,payment_status VARCHAR(50)); | UPDATE payments SET payment_status = 'Completed' WHERE payment_id = 12345; |
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