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 c.cust_name , sum(oi.item_price*oi.quantity) as total_price from OrderItems oi inner join Orders o on oi.order_num=o.order_num inner join Customers c on o.cust_id=c.cust_id group by cust_name having total_price >= 1000 order by total_price; #为什么不能用where代替group by