April 2010
Intermediate to advanced
348 pages
8h 50m
English
Content preview from Oracle Database 11g : Underground Advice for Database AdministratorsBecome 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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When to use Log Miner
Log Miner has both a GUI interface in OEM as well as the database package, DBMS_LOGMNR. When this utility is used by the DBA, its primary focus is to mine data from the online and archived redo logs. Internally Oracle uses the Log Miner technology for several other features, such as Flashback Transaction Backout, Streams, and Logical Standby Databases. This section is not on how to run Log Miner, but looks at the task of identifying the information to restore.
The Log Miner utility comes into play when you need to retrieve an older version of selected pieces of data without completely recovering the entire database. A complete recovery is usually a drastic measure that means downtime for all users and the possibility of lost ...
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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.