题解 | #计算用户8月每天的练题数量#
计算用户8月每天的练题数量
http://www.nowcoder.com/practice/847373e2fe8d47b4a2c294bdb5bda8b6
SELECT
DATE_FORMAT(date,"%d") AS day,
count(*) AS question_cnt
FROM question_practice_detail
WHERE DATE_FORMAT(date,"%Y%m") = '202108'
GROUP BY day;
计算用户8月每天的练题数量
http://www.nowcoder.com/practice/847373e2fe8d47b4a2c294bdb5bda8b6
SELECT
DATE_FORMAT(date,"%d") AS day,
count(*) AS question_cnt
FROM question_practice_detail
WHERE DATE_FORMAT(date,"%Y%m") = '202108'
GROUP BY day;
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