sqlserver 查询表中的主键、外键列及外键表,外表中的主键列

1、获取主键信息

EXEC sp_pkeys @table_name='{0}'

 

2、获取外键 方法二

SELECT Field=(SELECT name FROM syscolumns WHERE colid=b.fkey AND id=b.fkeyid) ,
FKTable=object_name(b.rkeyid),
FKKeyField=(SELECT name FROM syscolumns WHERE colid=b.rkey AND id=b.rkeyid)
FROM sysobjects a
join sysforeignkeys b on a.id=b.constid
join sysobjects c on a.parent_obj=c.id
where a.xtype='f' AND c.xtype='U'
and object_name(b.fkeyid)='SYS_Page'

 

3、获取外键 方法二

select 
oSub.name AS [子表名称],
fk.name AS [外键名称],
SubCol.name AS [子表列名],
oMain.name AS [主表名称],
MainCol.name AS [主表列名]
from
sys.foreign_keys fk
JOIN sys.all_objects oSub
ON (fk.parent_object_id = oSub.object_id)
JOIN sys.all_objects oMain
ON (fk.referenced_object_id = oMain.object_id)
JOIN sys.foreign_key_columns fkCols
ON (fk.object_id = fkCols.constraint_object_id)
JOIN sys.columns SubCol
ON (oSub.object_id = SubCol.object_id
AND fkCols.parent_column_id = SubCol.column_id)
JOIN sys.columns MainCol
ON (oMain.object_id = MainCol.object_id
AND fkCols.referenced_column_id = MainCol.column_id)
WHERE
oSub.name = '你的表名字'
--AND SubCol.name = '你的列名'


查询结果





posted @ 2015-08-10 14:49  zzzp0755  阅读(2415)  评论(1编辑  收藏  举报
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