December 2013
Intermediate to advanced
1872 pages
153h 31m
English
book
Microsoft® SQL Server 2012 Unleashed
by Ray Rankins, Paul T. Bertucci, Chris Gallelli, Alex T. Silverstein
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Database Mirroring Operating Modes
With database mirroring, you have the option of deploying in one of three modes: high safety with automatic failover mode (high availability with a witness server), high safety without automatic failover mode (high protection without a witness server), and high-performance mode. Each mode has different failure and protection characteristics and uses the database mirroring configurations slightly differently. As you might expect, the high-performance mode offers the least amount of protection; you must sacrifice levels of protection for performance.
Database mirroring runs with either asynchronous or synchronous operations:
Synchronous operations—With synchronous operations, a committed transaction is committed ...
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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.