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
https://www.nowcoder.com/practice/821e5072663f485f8204cf03b89d322a
select
answer_date,
author_id,
count(issue_id) answer_cnt
from
answer_tb
where
date_format (answer_date, '%Y-%m') = '2021-11'
group by
answer_date,
author_id
having
answer_cnt >= 3
order by answer_date,author_id
;
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