You are the database administrator of your company. The network contains a SQL Server 2008 computer thathas a default instance of SQL Server installed. You want to allow an assistant administrator named Adam to beable to perform the following tasks:
? Execute, start, or stop all local jobs.
? Delete the job history for any local job.
? Enable or disable all local jobs and schedules.
To which role should you add Adam to allow him to perform these tasks without giving him unnecessarypermissions?