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(1) answer_cnt from answer_tb group by answer_date,author_id having answer_cnt>=3 order by answer_date,author_id
