Oracle backup and recovery refers to the theory and practice of protecting a real-life Oracle database against data loss and recovering data after a loss. Oracle backup is the set of concepts, strategies, and steps to make copies of a database so you can use them to recover from a failure/error situation. Backups in this sense refer to physical backups of database files, control files, and archived redo log files. Oracle recovery is the set of concepts, strategies, and steps to actually recover from a system/user
Recovery Manager (RMAN) is Oracle’s main backup and recovery tool and is a built-in component of the Oracle server. In this course, you’ll learn to develop an appropriate strategy for backup and recovery procedures, use oracle database recovery procedures to recover from media failure and use Flashback Technologies to complement backup and recovery procedures.