如何从每个小组获取介绍记录

Question

我有一张下表

id group name 
1    2    dodo
2    1     sdf
3    2     sd
4    3     dfs
5    3     fda
....

我想从每个小组获取介绍记录，如下面的

id  group name
... 1    sdf
    2    dodo
    3    dfs
...

Answer 1

SELECT MIN(id) id, group, name
FROM TABLE1
GROUP BY group
ORDER BY group

Answer 2

select * from table_name where id in (select min(id) from table_name group by group)