The best we found to release space we use a script to recreate it, after a big import. I didn't found a way to truncate it in the time I investigate it a way to reduce it. Hope this script help you, to reduce your redo tablespace soon. connect SYS/SYS@XXX as SYSDBA; shutdown; connect SYS/SYS@XXX as SYSDBA; startup pfile=E:\oraXXX\init\initXXX.ora; CREATE UNDO TABLESPACE TBL_UNDOS DATAFILE 'E:\oraXXX\datafiles\dfl_undoXXX' SIZE 50M REUSE AUTOEXTEND ON NEXT 5120K MAXSIZE UNLIMITED; ALTER SYSTEM SET UNDO_TABLESPACE = TBL_UNDOS; ALTER TABLESPACE "TBL_UNDO" OFFLINE NORMAL; DROP TABLESPACE TBL_UNDO INCLUDING CONTENTS AND DATAFILES; CREATE UNDO TABLESPACE TBL_UNDO DATAFILE 'E:\oraXXX\datafiles\dfl_undo_XXX' SIZE 50M REUSE AUTOEXTEND ON NEXT 5120K MAXSIZE UNLIMITED; ALTER SYSTEM SET UNDO_TABLESPACE = TBL_UNDO; DROP TABLESPACE TBL_UNDOS INCLUDING CONTENTS AND DATAFILES; ALTER DATABASE DATAFILE 'E:\ORAXXX\DATAFILES\DFL_UNDO_XXX' AUTOEXTEND ON MAXSIZE UNLIMITED; Juan Carlos Reyes Pacheco OCP Database 9.2 Standard Edition ----- Original Message ----- From: "Paul Drake" <discgolfdba@xxxxxxxxx> To: <oracle-l@xxxxxxxxxxxxx> Sent: Friday, March 26, 2004 7:38 PM Subject: RE: [Q] undo tablespace did not release space?? (less quoting) ---------------------------------------------------------------- Please see the official ORACLE-L FAQ: http://www.orafaq.com ---------------------------------------------------------------- To unsubscribe send email to: oracle-l-request@xxxxxxxxxxxxx put 'unsubscribe' in the subject line. -- Archives are at //www.freelists.org/archives/oracle-l/ FAQ is at //www.freelists.org/help/fom-serve/cache/1.html -----------------------------------------------------------------