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