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 Customers.cust_name, Orders.order_num, (select sum(quantity*item_price) from OrderItems where OrderItems.order_num = Orders.order_num) as OrderTotal from Customers, Orders, OrderItems where Customers.cust_id = Orders.cust_id and Orders.order_num = OrderItems.order_num order by 1, 2;
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