题解 | 商品交易(网易校招笔试真题)
商品交易(网易校招笔试真题)
https://www.nowcoder.com/practice/f257dfc1b55e42e19eec004aa3cb4174
select id,name,weight,total from goods left join ( select goods_id , sum(count) as total from trans group by goods_id )t on goods.id = t.goods_id where weight <50 and total >20 order by id
，白菜就是我的天花板