April 1999
Intermediate to advanced
584 pages
23h 17m
English
Content preview from Oracle Database Administration: The Essential RefeBecome 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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Availability
One of the most important functions of the DBA is to provide for the continued availability of the information in the database. Prior to implementing the database, you need to specify how long you can afford to be down in the event of an emergency, as well as how long you can be down for normal maintenance. How you answer these questions determines what sort of redundancy you need to build into your configuration, and dictates how you will perform backups and standard system maintenance.
Tip
We recommend that the availability issue be discussed with the owners of the system and, if necessary, that their agreement be received in writing.
A number of Oracle facilities can help guarantee availability; we recommend that you consider the use of the replication, hot standby database, and Oracle Parallel Server facilities, described briefly in the following sections.
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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.