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
#直接计算访问信息表里每个用户的访问次数,再通过订单表筛选出在指定日期下单的用户
select
user_id,
count(visit_time) as visit_nums
from visit_tb
where date(visit_time)="2022-09-02" and user_id in(
select
user_id
from order_tb
where date(order_time)="2022-09-02"
) and date(visit_time)="2022-09-02"
group by user_id
order by visit_nums desc
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