Is there a command to unregister a db from the catalog -
besides the
EXECUTE dbms_rcvcat.unregisterdatabase(db_key, db_id)
method ?
i.e why did'nt Oracle think of
UNREGISTER DATABASE ?
or is it in 10g?

Also any links to doc. on dbms_rcvman & dbms_rcvcat,dbms_backup_restore ??