By Darl Kuhn, Sam R. Alapati, Arup Nanda
This ebook was once written via pro execs who've been utilizing RMAN since
its inception. they've got famous that RMAN should be complicated, they usually imagine everyone
should no longer need to plow through a similar studying curve which will arrive on the comparable conclusions.
So they've got accrued jointly their top practices and tried-and-true tactics and
compiled them into this excellent book.
If you're an Oracle database administrator, this might rather well be the main important
book you learn. expertise books are well-known for changing into shelfware, pristine and unopened
books decorating cabinets in every single place. This publication stands out as the exception—the publication that's dog-eared
and worn, the canopy falling off and pages smudged, came upon extra frequently opened face down on a
desk than perched serenely on a shelf. the data inside of this ebook is the very essence of
the task of the Oracle DBA, an important part of the task, and i'm thankful to Darl, Sam,
and Arup for sharing.
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This can be a marvelous ebook, transparent and well-written. it really is uncomplicated sufficient for these with out a lot event, but in addition presents adequate aspect in case you don't want coddling. .. certainly, well worth the $.
This present day DBAs are anticipated to set up and deal with huge databases with caliber provider and little to no downtime. The DBA’s major concentration is on expanding productiveness and putting off idle redundancy during the company. even if, there isn't any magic set of top practices or challenging and speedy ideas that DBAs have to stick with, and this may make existence tough.
It’s occasionally acknowledged that the real activity of an Oracle database administrator could be summed up in a single, crucial ability: with the intention to get well your database.
There’s a lot knowledge in that assertion. Of all the pieces you're chargeable for as a database administrator, not anything is extra vital than the knowledge itself. love it or now not, the fearsome accountability of shielding your businesses most important information falls squarely upon your shoulders:
- Lose that information and your organization might fail.
- Lose that info and also you might be out of a job.
Scared? try to be. yet theres aid. you're not by myself. Oracle specialists Darl Kuhn, Sam Alapati, and Arup Nanda have come jointly during this e-book to teach you the ability of restoration supervisor, or RMAN, that's Oracles backup and restoration device of selection. RMAN Recipes for Oracle Database 11g is helping you're taking good thing about all that RMAN has to provide by way of delivering easy-to-understand options to business-critical backup and restoration operations. this convenient guide
- Demystifies the stairs required to guard what you are promoting data
- offers ready-made and step by step suggestions to easy and intricate backup, fix, and restoration operations
- Is task-oriented, making it effortless that you should uncover the answer to urgent backup and restoration problems
- Respects it slow by way of offering example-based suggestions, no longer unending interpreting material
When the pressure’s on, you dont have time for lengthy discussions of thought. This ebook will get correct to the purpose with fast and easy-to-read, step by step strategies which could assist you backup and get well your facts with confidence.
What you’ll learn
Oracle Database specialists Darl Kuhn, Sam Alapati, and Arup Nanda express you ways to
- Reliably again up and get well your database utilizing Oracles restoration Manager.
- make the most of New Oracle Database 11g good points comparable to the information restoration Advisor.
- allow Oracle Database deal with your backup documents through the Flash restoration Area.
- Automate backup and restoration initiatives through writing scripts.
- Troubleshoot RMAN difficulties and optimize RMAN performance.
- Interface with a Media administration Layer to regulate your backup tape library.
- get over the lack of a regulate dossier, lack of a web redo log, and different (hopefully! ) strange situations.
Who is that this publication for?
Oracle database directors chargeable for database backup and restoration operations.
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Extra resources for RMAN Recipes for Oracle Database 11g - A Problem-Solution Approach
Well, there may be situations where a point-in-time recovery is your best bet, as in the following examples: • You lose some of the archived redo logs or incremental backups necessary for a complete recovery following a media failure. • The DBA or the users delete data by mistake or make wrong updates to a table. • A batch job that’s making updates fails to complete. In all of these situations, you can use either point-in-time recovery or Oracle’s flashback technology to get the database back to a previous point in time.
Complete and Point-in-Time Recovery You perform a complete recovery when you bring a database, a tablespace, or a datafile up-todate with the most current point in time possible. It’s important to emphasize that complete recovery isn’t synonymous with recovering the complete database. Rather, completeness here alludes to the completeness of the entire database or part of it (tablespace or datafile) with reference to the time element. If you update the database tablespace or datafile completely by applying all changes from the archived redo logs to the backup files, you’re performing a complete backup.
If you’re running the database in noarchivelog mode, remember that you can make a whole-database backup only after first shutting the database down. You can’t make any online tablespace backups in such a database. A database in noarchivelog mode also can’t use the tablespace point-in-time recovery technique. Make sure you take frequent whole-database backups if an important database is running in noarchivelog mode for some reason. Flashback Technology Traditionally, restoring backed-up datafiles and recovering the database with the help of archived redo logs was the only way you could rewind the database to a previous point in time or view older data.