DatabasePermission Class
The DatabasePermission object represents a SQL Server database permission. The database permission can be added to a database permission set, and then granted, revoked, or denied to a user.
Assembly: Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)
Database permissions are required when running granting, denying, or revoking permissions on a database. The DatabasePermission object is used to specify the set of permissions that apply to the Grant, Deny, and Revoke methods of the Database object. Also, database permissions can be added to the DatabasePermissionSet object, which can also be used with the Grant, Deny, and Revoke methods.
Thread Safety
Any public static (Shared in Microsoft Visual Basic) members of this type are safe for multithreaded operations. Any instance members are not guaranteed to be thread safe.