November 1999
Intermediate to advanced
736 pages
22h 46m
English
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Chapter 15. Oracle Backup & Recovery
Historically, Oracle did not have a standalone backup utility like Informix’s ontape or Sybase’s dump, opting instead for commands that allow the DBA to use any backup utility. Oracle7 introduced the EBU, or Enterprise Backup Utility, but it is designed to work only with other commercial backup utilities.[75] Oracle8 introduced the Recovery Manager (rman ), which also is designed to work with commercial backup utilities, and added a lot more functionality. Environments without a commercial utility must use backup scripts of some kind. This method is certainly the least user-friendly and most difficult to learn if one is new to Oracle and scripting, but its design also allows for the greatest flexibility during both backup and restore. This complexity, of course, requires a bit more explanation, which is what this chapter is about.
Tip
This chapter will use the Oracle8 command svrmgr for interfacing with Oracle databases. If you are running Oracle7, the command is sqldba.
Oracle Architecture
As mentioned in Chapter 13, it is important to understand the design of the database that is being backed up. Therefore, this chapter starts with a discussion of Oracle architecture. Similar information is provided in Chapter 13, but this chapter concentrates on information specific to Oracle. Just as in Chapter 13, we start with the power user’s view of the database, then continue with that of the database administrator. This chapter uses Oracle-specific ...
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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.