That's what I use and it works in my 10.2 databases - here is the script I run through cron: export PATH=$PATH:/usr/local/bin export ORAENV_ASK=NO export ORACLE_SID=${1} . oraenv sqlplus -s /nolog <<-EOF conn / as sysdba delete from aud$ where ntimestamp# < sysdate-100; quit; EOF From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Holvoet, Jo There's also the ntimestamp# column. See ML note 427296.1 : "In database version 10gR1 and above, the TIMESTAMP# column is obsoleted in favor of the new NTIMESTAMP# column." ________________________________ Privileged/Confidential Information may be contained in this message or attachments hereto. Please advise immediately if you or your employer do not consent to Internet email for messages of this kind. Opinions, conclusions and other information in this message that do not relate to the official business of this company shall be understood as neither given nor endorsed by it.