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
https://www.nowcoder.com/practice/847373e2fe8d47b4a2c294bdb5bda8b6
select case when month(date)=8 then day(date) end day,count(question_id)question_cnt from question_practice_detail group by date;
计算用户8月每天的练题数量
https://www.nowcoder.com/practice/847373e2fe8d47b4a2c294bdb5bda8b6
select case when month(date)=8 then day(date) end day,count(question_id)question_cnt from question_practice_detail group by date;
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