标签:最新 table sel max rom 时间 join not HERE
-- 方法1
select a.*
from table1 a
where not exists(select 1
from table1 b
where b.name=a.name and b.gdtime>a.gdtime)
-- 方法2
select a.*
from table1 a
inner join
(select name,
max(gdtime) ‘maxgdtime‘
from table1
group by name) b on a.name=b.name and a.gdtime=b.maxgdtime
标签:最新 table sel max rom 时间 join not HERE
原文地址:https://www.cnblogs.com/ttty/p/10169439.html