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(issue_id) answer_cnt
from answer_tb ab
where month(answer_date) = '11'
group by author_id,answer_date
having answer_cnt >= 3
order by answer_date,author_id