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 right(date,2) as day, count(question_id) as question_cnt from question_practice_detail where date like '%2021-08%' group by day 时间也可以使用right来截取
