LeetCode题解(0183)：查询从不订购任何东西的客户(SQL)

LeetCode题解(0183)：查询从不订购任何东西的客户(SQL)

题目链接（简单）

解法	执行用时
Ans 1 (SQL)	354ms (>46.76%)

解法一：

SELECT Name as Customers 
FROM Customers
WHERE Id NOT IN (SELECT CustomerId FROM Orders GROUP BY CustomerId HAVING COUNT(*) > 0);