站内搜索关键词：time01，共有2个结果！为之网,www.weizhi.cc

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搜索结果

查询Tags标签： time01，共有 2条记录

sql-常见面试题汇总

1.连续7天登陆但未下单的用户select c.user_id, count(c.cum) as cum_01 from (select a.user_id,a.time01 - row_number() over(partition by a.user_id order_by a.time01 asc) as cum from (select distinct user_id ,to_char(event_time,yyyymmdd) as time01from u…

2021/8/1 19:36:18 人评论次浏览
sql-常见面试题汇总

1.连续7天登陆但未下单的用户select c.user_id, count(c.cum) as cum_01 from (select a.user_id,a.time01 - row_number() over(partition by a.user_id order_by a.time01 asc) as cum from (select distinct user_id ,to_char(event_time,yyyymmdd) as time01from u…

2021/8/1 19:36:18 人评论次浏览