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 cust_name,b.order_num,sum(c.quantity*c.item_price) as OrderTotal from Customers a inner join Orders b on a.cust_id=b.cust_id inner join OrderItems c on b.order_num=c.order_num group by cust_name,order_num order by cust_name asc,order_num asc ;
可能升个本会好点，现在学历歧视太严重了