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 day(date) as day,
count(question_id) as question_cnt
from question_practice_detail t1
where t1.date like '2021-08%'
group by day
select day(date) as day,
count(question_id) as question_cnt
from question_practice_detail
where date_format(date,'%Y-%m') = '2021-08'
group by day
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