a90cfa21_s__Power_Users_and_Operational__Responsibilities_and_Tasks
[Role] SharePoint SQL Database Administrator [Group] Infrastructure Team [Permissions] Will not have access to portal or site configuration settings and will not be able to make any changes to the application. SQL Administrative rights [Trustee] IT Manager [Responsibilities and Tasks] 
SQL Server database backup and recovery, SQL configuration, SQL upgrades and monitoring. Responsible for databases, site collection, and site backups.
Understanding SharePoint's Communities: Power Users and Operational
Responsibilities and Tasks