So from a debugging standpoint it is something we have to create and not something already enabled or collected right . Just making sure that my assumption here is the correct one . I'm trying to debug an issue that happened in the past and while is see oracle is collect history of v$resource_limit i cant find any clear way to correlate the v$resource_limit data to actual logons at a point in time. ________________________________ From: Jared Still <jkstill@xxxxxxxxx> To: fuadar@xxxxxxxxx Cc: ORACLE-L <oracle-l@xxxxxxxxxxxxx> Sent: Friday, August 21, 2009 1:01:38 PM Subject: Re: User count at a point in time On Fri, Aug 21, 2009 at 10:31 AM, Fuad Arshad <fuadar@xxxxxxxxx> wrote: > >List >>I'm trying to figure out someone that potientially can be basic >>I know awr and ash contain data about users that were connected I'm trying to >>find a way to tell at a point in time how many users were connected >>I.e abc had 500 sessions >>Def has 600 sessions >>Basically looking to match the users the caused my process resource limit to >>exceed .this is more of debugging exercise > You can do that with auditing by enabling session auditing. select username ,timestamp logon ,logoff_time logoff , os_username ,terminal ,action_name ,returncode from dba_audit_session order by timestamp / Jared Still Certifiable Oracle DBA and Part Time Perl Evangelist