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Marking a stored procedure as system object in SQL Server

Once my friend ask to me, It is possible to mark a stored procedure as system object allow to run in user database context?
I said yes we can do. We have to follow two step which is mention below.
Step 1- The stored procedure name must begin with "sp_":
Create a stored procedure in Maser database which name begin with sp_
CREATE PROCEDURE sp_NewObject
@tableNM varchar(100)
AS
BEGIN
       IF EXISTS(SELECT  *
       FROM        sys.objects
       WHERE      name=@tableNM
       )
       BEGIN
              SELECT 'true' [Exist]
       END
       ELSE
       BEGIN
              SELECT 'false' [Exist]
       END
END
GO

























Note: A stored procedure created with "sp_" prefix can be used in any user database without specifying database/schema. But, the procedure still run in the context of master database and not the user database. Let’s create a procedure to test this:
Step 2- The stored procedure must be marked as system object explicitly:
You can mark a stored procedure as system object using sys.sp_MS_marksystemobject system procedure.
Below code will mark the procedure as system object:
USE [master]
GO
EXEC sys.sp_MS_marksystemobject sp_NewObject
GO

 






























You can verify if the object is marked as system object:
USE   [master]

SELECT      name, is_ms_shipped
FROM        sys.objects
WHERE       name = 'sp_NewObject'

result:
name                                    is_ms_shipped
----------------------------------------------------
sp_NewObject                 1
sp_NewObject is now marked as system object and can be run in user database context:


USE   [Your database name]
GO
EXEC  sp_NewObject 'Tbl_Name'
GO
      


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