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
p1.cust_name,
p2.order_num,
sum(quantity * item_price) as OrderTotal
FROM
Customers as p1
inner join Orders as p2 on p1.cust_id = p2.cust_id
inner join OrderItems as p3 on p3.order_num = p2.order_num
GROUP BY
p1.cust_name,p2.order_num
ORDER BY
p1.cust_name,
p2.order_num;
