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;
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