January 2005
Beginner to intermediate
928 pages
22h 14m
English
book
Understanding DB2®: Learning Visually with Examples
by Raul F. Chong, Clara Liu, Sylvia F. Qi, Dwaine R. Snow
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13.1. Database Recovery Concepts
Database recovery is how DB2 makes your database consistent in the event of a failure. A database is “consistent” when all committed transactions have been applied to the database and any uncommitted transactions that might have been performed have been rolled back.
13.1.1. Recovery Scenarios
To minimize the loss of your data, you need to have a recovery strategy, ensure that it works, and constantly practice it. The following are some recovery scenarios you should consider.
System outage: A power failure, hardware failure, or software failure can cause your database to be in an inconsistent state.
Transaction failure: Users may inadvertently corrupt your database by modifying it with incorrect data or delete ...
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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.