题解 | #找出待召回的流失用户#
找出待召回的流失用户
https://www.nowcoder.com/practice/74ec0a3766bf480ab7690486943678a4
select uid,days,times from
(select
uid,
count(distinct login_date) as days,
count(1) as times,
date_add(max(login_date), interval 30 day) as lastday,
(select max(login_date) from user_login_tb) as maxday
from
user_login_tb
group by
uid
having
days >= 3
or times >= 4
) t
where maxday>=lastday
order by days desc,times desc
