题解 | 计算总和
计算总和
https://www.nowcoder.com/practice/d8a624021183454586da94d280cc8046
SELECT a.order_num,a.total_price FROM( SELECT order_num,SUM(item_price*quantity) AS total_price FROM OrderItems GROUP BY order_num ) a WHERE a.total_price >= 1000 ORDER BY a.order_num
