Why RMAN?
A frequently asked question by many DBAs who are accustomed to working on a logical backup mode is why we need to move over to using RMAN.
Well, we can weave a cogent argument in favor of moving on to RMAN through the following points:
RMAN scales as your data center scales.
RMAN provides a single backup standard for the entire enterprise.
RMAN is supplied with the database software and so using it doesn't need any additional licensing to be purchased.
Backups can easily be automated using RMAN scripts.
RMAN is integrated with the Oracle Database kernel and thus is very efficient. This further implies that for the purpose of data recovery, you have one infrastructure application less to install before beginning recoveries.
RMAN provides efficient backup metadata management as it is maintained within the control file of the target database itself. The control file uses parameters to mark the metadata as obsolete at respective internals, thus making space for new data.
RMAN allows you to...