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 date_format(date,'%d') as day, count(question_id) as question_cnt from question_practice_detail where date between "2021-08-01" and "2021-08-31" group by day #其他解法 # select day(date) as day, # count(question_id) as question_cnt # from question_practice_detail # where date like "%2021-08%" # group by date
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