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OCA Oracle Database 11g: Database Administration I: A Real-World Certification Guide by Steve Ries

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Chapter 11. Understanding Backup and Recovery Concepts

Most of the daily life of a DBA is spent doing the types of tasks we've covered so far. Creating databases, allocating storage, building tables, and managing performance are all important daily considerations for a real-world DBA. Unfortunately, sometimes more serious problems arise. Hard drives fail, users drop important tables, and databases become corrupt. In these situations, all eyes fall on the DBA to save the day. In today's world, it is assumed that data is always recoverable. The inability to recover data is one of the few mistakes a DBA can make that can cost them their job. That's why, in this book, we spend three full chapters on the subject—to give it the attention it deserves. ...

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