题解 | #某乎问答单日回答问题数大于等于3个的所有用户#
某乎问答单日回答问题数大于等于3个的所有用户
http://www.nowcoder.com/practice/821e5072663f485f8204cf03b89d322a
select answer_date,author_id,count(*) answer_cnt
from answer_tb
where date_format(answer_date,'%Y-%m')='2021-11'
group by author_id,answer_date
having count(*)>=3
order by answer_date,author_id
from answer_tb
where date_format(answer_date,'%Y-%m')='2021-11'
group by author_id,answer_date
having count(*)>=3
order by answer_date,author_id
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