Identify the missing word(s) in the following sentence within the context of Microsoft Azure. Database security can get complicated for applications with many users. In order to make it easier for both administrators and auditors, most database applications use role-based security. [?] can be created within a SQL Server database or Azure SQL Database. Users are not made members of [?]. They are activated by the user by supplying the pre-configured password. Once the role is activated, the permissions are applied to the user until that role is deactivated.