November 2013
Intermediate to advanced
982 pages
34h 23m
English
book
Microsoft SQL Server 2012 Internals
by Bob Beauchemin Kalen Delaney Conor Cunningham, Jonathan Kehayias, Benjamin Nevarez, and Paul S. Randal
Content preview from Microsoft SQL Server 2012 InternalsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Database snapshots
SQL Server 2012 Enterprise Edition supports a feature called database snapshots, which allow you to create a point-in-time, read-only copy of a database. In fact, you can create multiple snapshots of the same source database at different points in time. The actual space needed for each snapshot is typically much less than the space required for the original database because the snapshot stores only pages that have changed, as is discussed shortly.
Database snapshots allow you to do the following:
Turn a mirrored database into a reporting database. You can’t read from a mirrored database, but you can create a snapshot of this database and read from it.
Generate reports without blocking or being blocked by production operations. ...
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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.
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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.