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 Customers as c inner join Orders on c.cust_id = Orders.cust_id inner join OrderItems on Orders.order_num = OrderItems.order_num group by cust_name having total_price >= 1000
有些时候不写inner join，有点忘记
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