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 *
FROM(
SELECT answer_date, author_id, COUNT(issue_id) AS answer_cnt
FROM answer_tb
GROUP BY answer_date, author_id
ORDER BY answer_date, author_id) AS a
WHERE a.answer_cnt >= 3
;
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