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 t3.cust_name as cust_name, t1.order_num as order_num, sum(quantity * item_price) as OrderTotal from OrderItems as t1 inner join Orders as t2 on t1.order_num = t2.order_num inner join Customers as t3 on t2.cust_id = t3.cust_id group by cust_name, order_num order by t3.cust_name asc;