Possible to deny sa access to Database?

Is it possible to deny a system administrator access to a particular database?  The situtation is this...we are installing an application and database on a client's server.  They would like us to use their SQL Server to host the database for maintenance issues but we don't want to allow them unfettered access to the database.  Is this possible and how?

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Brian CroweDatabase AdministratorAsked:
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Anthony PerkinsCommented:
You cannot deny sa to specific databases.  You can deny sa from the whole server by setting SQL Server to use Windows Authentication only.

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Cant comment on SQL 2005 as i dont know enough about it yet,  but if this is SQL 2000 then irrespective of what SQL permissions are granted, if someone stops sql and attatches the DBs to another SQL database then the'll bypass the security.   The only thing you can do is either secure the box itself (ie not on clients server) or encrypt the database.

acperkins is right. The sa has rights in every database.
Brian CroweDatabase AdministratorAuthor Commented:
That's what I figured.  I just wanted to make sure that I wasn't missing something.  Thank you all for your comments.
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