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
g.id,
g.name,
g.weight,
sum(t.count) as total
from trans t
left join goods g on g.id = t.goods_id
group by g.id,g.name,g.weight
having g.weight < 50 and sum(t.count) > 20
order by g.id