题解 | #出现三次以上相同积分的情况#
出现三次以上相同积分的情况
http://www.nowcoder.com/practice/c69ac94335744480aa50646864b7f24d
分组计数,表子查询即可
select c from ( select number as c,count(*)as 次数 from grade group by number) as t where 次数>=3 order by c asc;
出现三次以上相同积分的情况
http://www.nowcoder.com/practice/c69ac94335744480aa50646864b7f24d
分组计数,表子查询即可
select c from ( select number as c,count(*)as 次数 from grade group by number) as t where 次数>=3 order by c asc;
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