SQL查询之谜

Question

我有一个这样的表:

ID|Name|Issue|Location   
1 |01  |A    |.....  
2 |01  |B    |.....    
3 |02  |A    |.....  
4 |02  |B    |.....  
5 |02  |C    |.....   
6 |03  |A    |.....   

I want query that will return the id,name,issue,location for the max(issue) for each like :

 2 |01  |B    |.....  
 5 |02  |C    |.....  
 6 |03  |A    |.....  

谢谢

Answer 1

select t.* 
from tab t 
join (
    select name, max(issue) as issue
    from tab
    group by name
) t1 on t.name = t1.name and t.issue = t1.issue