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 #count(*)指行数
from question_practice_detail
group by date
having month(date) = 8 and year(date)=2021
#数据分析师#
day(date) as day,
count(*) as question_cnt #count(*)指行数
from question_practice_detail
group by date
having month(date) = 8 and year(date)=2021
#数据分析师#