题解 | 查询下订单用户访问次数?
查询下订单用户访问次数?
https://www.nowcoder.com/practice/32bc1e0fce2343ad934b76a025e09fc5
select user_id, count(distinct info_id) as visit_nums from order_tb left join visit_tb using (user_id) where date(order_time) = "2022-09-02" and datediff(visit_time, leave_time) = 0 and date(visit_time) = "2022-09-02" group by user_id order by visit_nums desc