1.PURPOSE AND SCOPE
When using RMAN for taking backup, database records to backup informations to controlfile. Oracle suggest to use RMAN catalog option because of probability to losing controlfile.With help of RMAN catalog we can save rman informations at catalog database.Also it can use for saving rman scripts and information about rman backups.For to use this product we also need another database which act like a catalog database.
In this artichle i am going to explain how to install oracle RMAN catalog,how to register your database to catalog database and how to control backups.