Recovery Manager(RMAN) is a tool that efficiently and reliably performs backup, restoration, and recovery tasks on Oracle Databases. It can be used from a Command Line Interface(CLI) or from the Enterprise Manager Web Console. It is still available in 10g from the Enterprise Manager Java Console. However, its usage is discouraged as this console has become obsolete and it is no longer available in 11g.

RMAN is a utility that works in a client-server fashion when launched in CLI mode, or in a three-tier fashion when launched from the EM Console. It commands actions from the client side and the entire backup and restore operations take place on the server side using the server storage resources. The database to be managed is known as the TARGET database. RMAN may optionally use a database to keep track of the backups. This database is known as the recovery catalog database, and is an independent database that stores information about the backup operations for different...