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 join Orders o on oi.order_num = o.order_num join Customers c on o.cust_id = c.cust_id group by c.cust_id, c.cust_name having total_price >= 1000 order by total_price;
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