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SQL Server hiding information_schema and sys views

Posted on 2009-07-15
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Last Modified: 2012-08-13
I have a user that is only assigned to the db role db_datareader and public. The user can see all the information_schema and sys views. As a test, I tried creating a separate role that denies view definition to the sys schema and removing the user from the db_datareader role, but the user can still see the views.

Any suggestions on how to deny view definition of the information_schema and sys views for a database?

The reason why I want to do this is because users do not want to see these extra views in their client applications when they are selecting user views/tables.

There does not seem to be a clear answer for this anywhere.
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Question by:incidental74
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Raja Jegan R earned 1500 total points
ID: 24865651
>> Any suggestions on how to deny view definition of the information_schema and sys views for a database?

No.. You cant deny usage of Information_schema and sys views to users.

The purpose of information_schema and sys views is to display records for those specific user only. It will display records for which the current user has access.

Hence if the user dont have access to an object, it will not display those records.
Since you added the user as part of datareader role, it will have select privileges on all tables and views and hence it will be visible in Information_schema and sys views.

You better need to REVOKE those objects to this user for the list of objects you wish.
That would help you in restricting the user to those objects.

Hope this clarifies.
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