Unregister Database from RMAN Catalog

Unregistering the database from catalog:

rman target sys/password@targetdb catalog rman/rman@catalogdb

RMAN> unregister database noprompt;

Unregistering the database that is not unique in catalog:

rman catalog rman/rman@catalogdb

RMAN> run


set dbid 3213213213; # DBID of target DB

unregister database targetdb noprompt;


Note: NOPROMPT - specifies that RMAN not ask you for confirmation before unregistering the database.