November 2001
Intermediate to advanced
126 pages
3h
English
Content preview from Oracle RMAN Pocket ReferenceBecome 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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Catalog disadvantages
While the advantages of the catalog are substantial, there are a few potential headaches that you should be aware of:
Upgrades and compatibility can be problematic.
A catalog adds complexity.
Using a catalog created prior to Oracle Version 8.1.6 with multiple versions of target databases can be problematic.
A catalog can increase your needs for hardware and DBA resources.
If you’re backing up production databases, and you want the most flexibility possible for any given backup and recovery scenario, Oracle recommends that you use a catalog database. However, if you have nonproduction databases for which you want to implement RMAN functionality, but you don’t want the overhead of a catalog, you may want to consider just using the target control files.
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