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 -- //www.freelists.org/webpage/oracle-l