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新手求一SQL语句解决思路

发布时间: 2012-01-30 21:15:58 作者: rapoo

新手求一SQL语句
小弟是新手,请帮忙,源表:
id name time
1 n1 t1
2 n2 t2
3 n1 t3
4 n3 t4
5 n2 t5
我想得到:不重复的name 时间是最新的
类似于
id name time
5 n2 t5
3 n1 t3
4 n3 t4

[解决办法]
select * from t_name where time in
(select max(time) from t_name group by time)
[解决办法]
select * from tempTab where id in(select max(id) from tempTab group by name)
[解决办法]
select * from t_name where time in
(select max(time) from t_name group by name)

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