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）
http://www.nowcoder.com/practice/b5766f970ae64ac7944f37f5b47107aa
select cust_name, sum(item_price * quantity) as total_price from Orders as O inner join Customers as C on O.cust_id = C.cust_id inner join OrderItems as OI on O.order_num = OI.order_num group by cust_name having total_price >= 1000 order by total_price
