题解 | 统计商家不同会员每日访问人次及访问人数
select vip,count(*) as visit_nums,count(distinct user_id) as visit_users from visit_tb inner join uservip_tb using(user_id) group by vip order by visit_nums desc
select vip,count(*) as visit_nums,count(distinct user_id) as visit_users from visit_tb inner join uservip_tb using(user_id) group by vip order by visit_nums desc
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