题解 | 统计商家不同会员每日访问人次及访问人数
统计商家不同会员每日访问人次及访问人数
https://www.nowcoder.com/practice/0017dc22426b495889da3304dcf254d1
select
ut.vip,
count(*) as visit_nums,
count(distinct vt.user_id) as visit_users
from visit_tb as vt
inner join uservip_tb as ut
on vt.user_id = ut.user_id
group by ut.vip
order by visit_nums desc,visit_users desc;
有个大佬的题解很好，考虑到离开时间和访问时间非同一天的情况。
