How to search source of pl/sql block in database?

Hi Guys,
We have an issue in database, there is PL/SQL block running in my database as below which deleting very important historical data.
begin
loop
delete from tabl_name where created_date<sysdate -100 and ronum<10000;
EXIT WHEN SQL%NOTFOUND;
commit;
end loop;
end;
I tried following,
1) I found this block in v$sqlarea
2) I searched in dba_source,user_source,all_source but no luck.
3) I checked all the triggeres but no luck.
4) I checked all the cron entries for oracle/root/app owner in os but no luck.
5 I checked all the jobs in dba_jobs but no lcuk
would appreciated if anyone can assist on this.
I want to disable/remove this query to be executed.
Regards,
Rikki

For ASH,
I am trying to confirure the OEM and not able to access the OEM from remotely. However any idea from commad prompt.
I believe there is a script ashrpt.sql but while running this script format is not supporting.
any idea if you have run it before.
I agree for log miner utilities, but I need to configure the UTL dir and need to bounce it and its a critical production environment so looking for alternatives. if not possible I would go for this option.
It seems ASH report is being geneated lets see how does it go.
Regards,
Pradeep
Edited by: user13049723 on Jul 26, 2010 8:07 PM

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