Purpose of the admin_commerceAdministrator_role in the MSCS_Admin database

In the Commerce Server 2007 MSCS_Admin database there is a SQL Server security role named "admin_commerceAdministrator_role".  The purpose and usage of this role is to allow a user or group who do not have DBO or SYSAdmin privileges in SQL Server to the MSCS_Admin database the ability to make changes to a Commerce Server site such as adding an application or site resource or the removal of a site application or site resource.