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Oracle Database 12c Backup and Recovery Survival Guide by Aman Sharma, Francisco Munoz Alvarez

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RMAN architecture

There are a few key entities for RMAN to start with. Some of them are mandatory and the rest are optional. We will list these components along with whether they are optional or mandatory in the following list:

  • Target database (mandatory)
  • Target Control File (mandatory)
  • Channels (mandatory)
  • Recovery Catalog (optional)
  • Oracle Secure Backup (optional)
  • Media Management Library (optional)
  • Auxiliary database (optional)
  • Cloud Control 12c (optional)

Putting them all in the form of a diagram would appear as shown in the following figure:

RMAN architecture

Now, let's take a closer look at each one of the components.

Target database

This is the database for which RMAN ...

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