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) total_price from OrderItems as a join Orders as b on a.order_num=b.order_num join Customers as c on b.cust_id=c.cust_id group by cust_name having total_price >=1000 order by total_price
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