Making backup with RMAN: Page 211
First connect to the target database before backing it up.
The database must be in mount or open state.
Open state, if the database is running in archivelog mode.
Mount state, if the database is running in noarchivelog mode.
* The backup command lets you make two types of RMAN backups:
- Backup Sets.
- Image Copies.
By default, all RMAN backups are in the form of backup sets.
Each backup set contains one or more backup pieces, Which are files in an RMAN-Specific format.
First connect to the target database before backing it up.
The database must be in mount or open state.
Open state, if the database is running in archivelog mode.
Mount state, if the database is running in noarchivelog mode.
* The backup command lets you make two types of RMAN backups:
- Backup Sets.
- Image Copies.
By default, all RMAN backups are in the form of backup sets.
Each backup set contains one or more backup pieces, Which are files in an RMAN-Specific format.
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