Seems like you are using automatic UNDO? Logically, you could do this by changing the UNDO to manual first, by creating other rollback segments on another tablespace. Once you transfer all the transactions to use the new rollbacks you could take the UNDO tablespace down and recreate. But just a thought - Why do you need to re-create the UNDO? Any comments geeks? Sam. -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Dean Paul Sent: Wednesday, November 29, 2006 6:37 PM To: oracle-l@xxxxxxxxxxxxx Subject: UNDO TABLESPACE Hi, I want to drop undo tablespace. and recreate it.What would be best way? Thanks _________________________________________________________________ Fixing up the home? Live Search can help http://imagine-windowslive.com/search/kits/default.aspx?kit=improve&locale=e n-US&source=hmemailtaglinenov06&FORM=WLMTAG -- //www.freelists.org/webpage/oracle-l -- //www.freelists.org/webpage/oracle-l