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(quantity*item_price) as OrderTotal from Customers as c inner join Orders as o on c.cust_id=o.cust_id inner join OrderItems as ot on o.order_num=ot.order_num group by c.cust_name,ot.order_num order by c.cust_name asc,ot.order_num asc;