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
with t3 as( select cust_id, t1.order_num order_num, sum(quantity*item_price) OrderTotal from Orders t1 left join OrderItems t2 on t1.order_num=t2.order_num group by cust_id,order_num ) select cust_name, order_num, OrderTotal from t3 inner join Customers t4 on t3.cust_id=t4.cust_id order by cust_name,order_num
