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 cust_name, o.order_num, SUM(quantity*item_price) AS OrderTotal FROM Customers c INNER JOIN Orders o ON c.cust_id = o.cust_id INNER JOIN OrderItems oi ON o.order_num = oi.order_num GROUP BY oi.order_num, cust_name ORDER BY cust_name, o.order_num ASC;
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