How to restrict a user to access objects of only one schema in SQL Server 2008? -

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I want to restrict a user to only one schema and only select the privilege in that schema in SQL Server 2008 Want to

Dennis and a combination of a grant, for example: 

  Select Denny on Schema: [dbo] to [user_name] Select right on the schema: [other_schema] to [user_name] Select on schema: [safe_schema] to [User_name]

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