human
Schema:
Manufacturers (Code, Name, Headquarter, Founder, Revenue)
Products (Code, Name, Price, Manufacturer)
Please answer with SQL.
assistant
Sure, I understand.
human
Select the name of each manufacturer along with the name and price of its most expensive product.
assistant
SELECT T1.Name , max(T1.Price) , T2.name FROM products AS T1 JOIN Manufacturers AS T2 ON T1.manufacturer = T2.code GROUP BY T2.name
human
Find the name of companies whose revenue is smaller than the revenue of all companies based in Austin.
assistant
SELECT name FROM manufacturers WHERE revenue < (SELECT min(revenue) FROM manufacturers WHERE headquarter = 'Austin')
human
Find the number of manufactures that are based in Tokyo or Beijing.
assistant
SELECT count(*) FROM manufacturers WHERE headquarter = 'Tokyo' OR headquarter = 'Beijing'
human
Find the number of different products that are produced by companies at different headquarter cities.
assistant
SELECT count(DISTINCT T1.name) , T2.Headquarter FROM products AS T1 JOIN manufacturers AS T2 ON T1.Manufacturer = T2.code GROUP BY T2.Headquarter
human
Find the name and revenue of the company that earns the highest revenue in each city.
assistant
SELECT name , max(revenue) , Headquarter FROM manufacturers GROUP BY Headquarter
human
What are the different cities listed?
assistant
SELECT DISTINCT headquarter FROM manufacturers ;