USE AdventureWorks2012;GOSELECT     f.name AS foreign_key_name   ,OBJECT_NAME(f.parent_object_id) AS table_name   ,COL_NAME(fc.parent_object_id, fc.parent_column_id) AS constraint_column_name   ,OBJECT_NAME (f.referenced_object_id) AS referenced_object   ,COL_NAME(fc.referenced_object_id, fc.referenced_column_id) AS referenced_column_name   ,is_disabled   ,delete_referential_action_desc   ,update_referential_action_descFROM sys.foreign_keys AS fINNER JOIN sys.foreign_key_columns AS fc    ON f.object_id = fc.constraint_object_id WHERE f.parent_object_id = OBJECT_ID('HumanResources.Employee'); 转自：http://msdn.microsoft.com/zh-cn/library/ms190196.aspx