题解 | #返回每个顾客不同订单的总金额#
返回每个顾客不同订单的总金额
https://www.nowcoder.com/practice/ce313253a81c4947b20e801cd4da7894
select t1.cust_id,t2.total_ordered from Orders t1, (select order_num,sum(quantity*item_price) total_ordered from OrderItems group by order_num) t2 where t1.order_num=t2.order_num order by total_ordered desc
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尤其是“对战，总负责人”啊这些套职，基本上队员，打杂的都这么写