题解 | #计算总和#
计算总和
https://www.nowcoder.com/practice/d8a624021183454586da94d280cc8046
订单总价=订单数量*订单价格
select order_num, sum(item_price*quantity) as total_price from OrderItems group by order_num having sum(item_price*quantity) >= '1000' order by order_num asc