79771

79771



Database Backup and Recovery Concepts

To back up your database mcans to make copies of yourdata files, control file. and archived redo log files (if your database runs in ARCHI VELOG modę). Restoring a database means copying the physical files that comprise the database from a backup medium, typically disk or tapc. to their original or to ncw locations. Database recovery is the process of updating database files restored from a backup with the changes madę to the database after the backup by applying incremental backups and redo logs to the restored files.

This section contains the following topics:

■ARCHIVELOG and NOARCHIVELOG Modę

■RMAN Repository

■ Image Copies and Backup Sets

■Fuli Backups and Incremental Backups

■Consistent and Inconsistent Backups

■Media Recovery

■Fast Recovery Area



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