题解 | #确定最佳顾客的另一种方式（二）#
确定最佳顾客的另一种方式（二）
https://www.nowcoder.com/practice/b5766f970ae64ac7944f37f5b47107aa
SELECT cust_name, Sum(item_price * quantity) AS total_price FROM OrderItems, Orders, Customers WHERE OrderItems.order_num = Orders.order_num AND Orders.cust_id = Customers.cust_id GROUP BY Customers.cust_name HAVING total_price >= 1000