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 a.cust_name
,b.order_num
,(select sum(quantity*item_price) OrderTotal from OrderItems c where c.order_num=b.order_num)
from Customers a,Orders b
where b.cust_id=a.cust_id
order by a.cust_name