题解 | #返回顾客名称和相关订单号以及每个订单的总价#
返回顾客名称和相关订单号以及每个订单的总价
https://www.nowcoder.com/practice/4dda66e385c443d8a11570a70807d250
select c.cust_name,o.order_num, sum(oi.quantity*oi.item_price) as OrderTotal from Customers as c inner join Orders as o on c.cust_id = o.cust_id inner join OrderItems as oi on o.order_num = oi.order_num group by c.cust_name,oi.order_num order by c.cust_name,oi.order_num asc
昨天刷了40多道题，今天再刷好想吐，脑子嗡嗡的
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