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View Foreign Key Properties

You can view the foreign key attributes of a relationship in SQL Server 2014 by using SQL Server Management Studio or Transact-SQL.

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The visibility of the metadata in catalog views is limited to securables that a user either owns or on which the user has been granted some permission. For more information, see Metadata Visibility Configuration.

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To view the foreign key attributes of a relationship in a specific table

  1. Open the Table Designer for the table containing the foreign key you want to view, right-click in the Table Designer, and choose Relationships from the shortcut menu.

  2. In the Foreign Key Relationships dialog box, select the relationship with properties you want to view.

If the foreign key columns are related to a primary key, the primary key columns are identified in Table Designer by a primary key symbol in the row selector.

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To view the foreign key attributes of a relationship in a specific table

  1. In Object Explorer, connect to an instance of Database Engine.

  2. On the Standard bar, click New Query.

  3. Copy and paste the following example into the query window and click Execute. The example returns all foreign keys and their properties for the table HumanResources.Employee in the sample database.

    USE AdventureWorks2012;
    GO
    SELECT 
        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_desc
    FROM sys.foreign_keys AS f
    INNER JOIN sys.foreign_key_columns AS fc 
       ON f.object_id = fc.constraint_object_id 
    WHERE f.parent_object_id = OBJECT_ID('HumanResources.Employee');
    

For more information, see sys.foreign_keys (Transact-SQL) and sys.foreign_key_columns (Transact-SQL).

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