Hi
This is not new to SQL2005.....
Easy way to do a Differential Backup..
1. Right click on you DB in SSMS
2. Focus on "Tasks" then -> "Backup"
3. In the Backup Type select 1) Full or 2)Differential.
4. Configure rest of the settings like file location etc....
You can also do this in SSIS using a Backup Database Task Step.
Hope this helps?
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This thing is addressing problems that dont exist. Its solution-ism at its worst. We are dumbing down machines that are inherently superior. - Gilfoyle