It worked -- No issues this time. Thanks for the email. Regards Bala -- On 11/16/07, Finn Jorgensen <finn.oracledba@xxxxxxxxx> wrote: > > I'm 98% sure that will work. > > The one caveat is that when you drop the undo1 tablespace you > drastically increase the risk of ORA-1555's for a little while. > > Finn > > On Nov 16, 2007 3:11 PM, Bala <oratips@xxxxxxxxx> wrote: > > > > > > Gurus, > > > > ORACLE 9.2.0.6 EE on Solaris > > > > Can I reduce the size of original undo tablespace (UNDO1) which has > grown to > > 15 GB due to heavy import activity, by creating a > > second undo tablespace(UNDO2) and doing the following > > > > -- > > 1) alter system set undo_tablespace = UNDO2; > > 2) Drop tablespace undo1 including contents and datafile; > > 3) create original undo tablespace undo1 with small size > > 4) alter system set undo_tablespace = UNDO1; > > 5) drop the second undo tablespace ( UNDO2) > > -- > > would this work for 9.2.0.6 ? > > > > Thanks for your time > > > > Bala -- > > > > > > > > -- > > Bala Rao > -- Bala Rao