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(*) as question_cnt
from question_practice_detail
where date rlike '^[0-9]{4}(-)[0][8](-)'
group by day;
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(*) as question_cnt
from question_practice_detail
where date rlike '^[0-9]{4}(-)[0][8](-)'
group by day;
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