题解 | #统计自然周平均登录次数情况#
统计自然周平均登录次数情况
https://www.nowcoder.com/practice/4655e5dfa8f64166875d6f77558a1fc8
select
date_sub(login_date,interval(weekday(login_date)) day) as week_begin,
round(count(*)/count(distinct uid),2) as avg_times
from
user_login_tb
group by
date_sub(login_date,interval(weekday(login_date)) day)
order by
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