Я пытаюсь найти город, в котором больше всего продаж AVG.
Я построил этот запрос, но он не работает.
SELECT [City] FROM Loan GROUP BY [City] HAVING AVG(Sale) = (SELECT MAX(AvgSale) FROM (SELECT AVG(Sale) AS AvgSale FROM Loan GROUP BY [City]) );
Я думаю:
SELECT TOP (1) [City] FROM Loan GROUP BY [City] ORDER BY AVG(Sale) DESC;