题解 | #group by 使用#
出现三次以上相同积分的情况
https://www.nowcoder.com/practice/c69ac94335744480aa50646864b7f24d
select number
from grade
group by number
having count(*) >= 3
order by number
出现三次以上相同积分的情况
https://www.nowcoder.com/practice/c69ac94335744480aa50646864b7f24d
select number
from grade
group by number
having count(*) >= 3
order by number
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