CHAPTER 7Making Backups with RMAN
You can use the backup command to back up datafiles, archived redo logs, or control files. You can also use the backup command to make copies of datafiles and backups of backup sets. Since RMAN provides (since the Oracle9i Database release) the default configuration for all backup-related parameters such as devices, formats, and tags, you can, if you want, back up your entire database by simply typing the command backup database at the RMAN prompt. You must, of course, first connect to the target database before backing it up, and the database must be in mount or open state if it's running in archivelog mode and must be the mount state if it's operating in noarchivelog mode.
Before we discuss various RMAN backup-related ...
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