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) total
from
goods g
left join trans t on t.goods_id = g.id
group by
g.id
having total>20 and g.weight <50
order by g.id asc
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