题解 | #牛客每个人最近的登录日期(二)#
牛客每个人最近的登录日期(二)
https://www.nowcoder.com/practice/7cc3c814329546e89e71bb45c805c9ad
select u.name,c.name,z.date from (select l.user_id ,max(l.date) date from login l group by l.user_id) z,user u,client c,login l where z.user_id=u.id and l.client_id=c.id and l.user_id=z.user_id and l.date=z.date order by u.name
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