April 2005
Intermediate to advanced
736 pages
19h 47m
English
Content preview from Oracle Database 10g DBA HandbookBecome 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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CHAPTER 7 Managing Transactions with Undo Tablespaces
In Chapter 6, we touched briefly on how the space in an undo tablespace is managed, along with views such as V$UNDOSTAT that can help the DBA monitor and size the undo tablespace. In this chapter, we’ll delve much more deeply into the configuration and management of the undo tablespace, and how we may resolve the sometimes conflicting requirements of providing enough undo for read consistency while preventing the failure of DML statements because the undo retention parameter is set too high.
To start off this chapter, we’ll do a quick review of transactions from a database user’s point of view so that you will better understand how to support the user’s transactions with the appropriately ...
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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.