We have ORACLE 9ir2 running on LINUX server. I check Tablespace and found undo tablespace almost full for long time. It did NOT release space. The undo tablespace setup are undo_management=AUTO undo_retention=900. Does anyone know why it don't release space? Thanks. TABLESPACE_NAME FILESIZE BYTES_ALLOCATED BYTES_FREE ------------------------- ---------- --------------- ---------- SYSTEM 220 166.75 53.1875 TOOLS 190 110.5 79.4375 UNDO_TS 550 549.671875 .1875 USERS 500 450.25 49.625 __________________________________ Do you Yahoo!? Yahoo! Finance Tax Center - File online. File on time. http://taxes.yahoo.com/filing.html ---------------------------------------------------------------- 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 -----------------------------------------------------------------