BI SQL # 155 : SQL Server DBA Scripts : Foreign Keys Overview

Hi Geeks,

In this article we are going to cover all Foreign Keys Overview.

In this post we are going to discuss following points:

• Problem Statement of SQL Script:
• Description of SQL Script:
• SQL Script Output Column
• SQL Script Code
• SQL Script Output Screenshot
• User Level to execute

Problem Statement of SQL Script:

Get foreign key overview.

Description of SQL Script:

This Transact-SQL script lists all foreign key details.

SQL Script Output Column

SQL Script Code

SELECT FK.NAME AS ForeignKeyName
    ,FK.delete_referential_action_desc AS DeleteAction
    ,FK.update_referential_action_desc AS UpdateAction
    ,FK.is_disabled AS IsDisabled
    ,FK.is_not_trusted AS IsNotTrusted
    ,IDX.NAME AS IndexName
    ,PARSCH.NAME + '.' + PAR.NAME AS ParentName
    ,PARCOL.NAME AS ParentColumn
    ,REFSCH.NAME + '.' + REF.NAME AS ReferenceName
    ,REFCOL.NAME AS ReferenceColumn
FROM sys.foreign_keys AS FK
INNER JOIN sys.foreign_key_columns AS FKC ON FK.object_id = FKC.
    constraint_object_id
INNER JOIN sys.objects AS PAR ON FKC.parent_object_id = PAR.
    object_id
INNER JOIN sys.schemas AS PARSCH ON PAR.schema_id = PARSCH.
    schema_id
LEFT JOIN sys.indexes AS IDX ON FKC.parent_object_id = IDX.
    object_id
    AND FK.key_index_id = IDX.index_id
INNER JOIN sys.columns AS PARCOL ON FKC.parent_object_id = PARCOL.
    object_id
    AND FKC.parent_column_id = PARCOL.column_id
INNER JOIN sys.objects AS REF ON FKC.referenced_object_id = REF.
    object_id
INNER JOIN sys.schemas AS REFSCH ON REF.schema_id = REFSCH.
    schema_id
INNER JOIN sys.columns AS REFCOL ON FKC.referenced_object_id = 
    REFCOL.object_id
    AND FKC.referenced_column_id = REFCOL.column_id
ORDER BY ParentName
    ,ForeignKeyName
    ,ParentColumn
    ,ReferenceName
    ,ReferenceColumn

SQL Script Output Screenshot

User Level to execute

200

Hope you will like Foreign Keys Overview.

If you really like reading my blog and understood at least few thing then please don’t forget to subscribe my blog.

If you want daily link and analysis or interesting link go to following website which will give @ your inbox please subscribe our following link resource blog :

Link Resource Website

For More information related to BI World visit my Mentalist Blog

SQL Server Mentalist >> SQL Learning Blog

Business Intelligence Mentalist >> BI World

Infographic Mentalist >> Image worth explaining thousand Words

Microsoft Mentalist >> MVC,ASP.NET, WCF & LinQ

DBA Mentalist >>Advance SQL Server Blog

Microsoft BI Mentalist >> MS BI Development Update

Connect With me on

| FaceBook |Twitter | linkedIn| Google+ | WordPress | RSS |