June 2015
Intermediate to advanced
1800 pages
70h 6m
English
book
Microsoft SQL Server 2014 Unleashed
by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
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Copy-Only Backups
If you want a backup that will not affect future or past backups, copy-only backups are for you. The copy-only backup allows you to make a database or log backup without identifying the backup as one that should be included in a restore sequence.
Contrast this with a full database backup: If a full database backup is taken, the information related to this backup is captured in the system tables. This backup can form the base for other backups, such as transaction log backups or differential backups, and must be retained to be able to restore the backups that depend on the base.
The following example shows a copy-only backup; the COPY_ONLY parameter is the key to creating this kind of backup:
BACKUP ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.