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(device_id) from question_practice_detail where year(date) = '2021' and month(date) = '08' group by day;
日期函数:
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(device_id) from question_practice_detail where year(date) = '2021' and month(date) = '08' group by day;
日期函数:
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