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
WHERE
month(date) = '8' and year(date) =2021
GROUP BY
day
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