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 vip,count(visit_time) as visit_nums,count(distinct(user_id)) as visit_users from visit_tb a left join uservip_tb b using(user_id) group by vip order by visit_nums DESC
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