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Oracle Database 12c Backup and Recovery Survival Guide

You're reading from   Oracle Database 12c Backup and Recovery Survival Guide A comprehensive guide for every DBA to learn recovery and backup solutions

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Product type Paperback
Published in Sep 2013
Publisher Packt
ISBN-13 9781782171201
Length 440 pages
Edition 1st Edition
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Toc

Table of Contents (22) Chapters Close

Oracle Database 12c Backup and Recovery Survival Guide
Credits
About the Author
Acknowledgement
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface
1. Understanding the Basics of Backup and Recovery 2. NOLOGGING Operations FREE CHAPTER 3. What is New in 12c 4. User-managed Backup and Recovery 5. Understanding RMAN and Simple Backups 6. Configuring and Recovering with RMAN 7. RMAN Reporting and Catalog Management 8. RMAN Troubleshooting and Tuning 9. Understanding Data Pump 10. Advanced Data Pump 11. OEM12c and SQL Developer Scenarios and Examples – A Hands-on Lab Index

Using RMAN for performing incremental backups


For databases which are very large in size, taking a full backup daily may not be an option. Not only would such a backup take a very long time but would also be heavy on system resource consumption. Incremental backups are supposedly the best option for such large sized databases. We have already discussed incremental backups at the start of this chapter. But just to refresh your memory, incremental backups include only the modified blocks since the last full or incremental backup taken. There is a base backup level which is designated with level 0 and subsequent backups after it are labeled as level 1. For level 0, the backup format can either be a backup set or an image copy but for level 1, only the backup set format is supported. For level 1, there can be two further options, differential level 1 and cumulative level 1 incremental backups. Since we have already known how to take a full backup, it's time to perform the incremental backups...

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