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 EXTRACT( DAY FROM question_practice_detail.date ) AS day, count(question_id) as question_cnt from question_practice_detail where question_practice_detail.date like ("2021-08%") group by question_practice_detail.date;