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 u_n, c.name c_n, l.date
from login l
join user u on l.user_id = u.id
join client c on l.client_id = c.id
where (l.user_id, l.date) in (
select user_id, max(date) from login group by user_id
)
order by u_n
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