SQL Server 查询一张表的主键

SQL Server 查询一张表的主键

http://hi.baidu.com/samxx8/blog/item/7048f8de1725835894ee37b4.html

 

SELECT a.name
FROM   syscolumns a
inner join sysobjects d on a.id=d.id       
where d.name='SPF_Users' and exists(SELECT 1 FROM sysobjects where xtype='PK' and parent_obj=a.id and name in (  
SELECT name FROM sysindexes   WHERE indid in(  
SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid