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
解法，即好理解由容易上手！
select cust_name, sum(item_price * quantity) as total_price from OrderItems oi inner join Orders o inner join Customers c on oi.order_num = o.order_num and o.cust_id = c.cust_id group by cust_name having sum(item_price * quantity) >= 1000 order by total_price
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