On Wed, Jul 6, 2011 at 04:01, dba1 mcc <mccdba1@xxxxxxxxx> wrote: > > This nightly backup may be several weeks ago. In this case we can NOT use > rman "duplicate" command or EXP/IMP. > > > > no have latest backupsets so you can't use rman duplicate? i dont know why. if you can't backup your database , you can using rman active database duplication to create a new database http://www.oracle.com/webfolder/technetwork/tutorials/demos/db/11g/r2/dg/04_dg_rman_create_phys_sby/04_dg_rman_create_phys_sby_viewlet_swf.html -- PGP <http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xF19DEF41EC301A70>