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 OrderItems OI inner join Orders O on OI.order_num = O.order_num inner join Customers C on C.cust_id = O.cust_id
group by
cust_name
having total_price >= 1000;
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