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(t1.date) day,
count(*) question_cnt
from
question_practice_detail t1
where
t1.date >= '2021-08-01'
and t1.date <= '2021-8-31'
group by
day
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