Since you are on Weenie-doze:
go to task manager (3 finger salute [alt+ctrl+delete]), and order by CPU 
descending, then look at the PID, make a note of it, and run this script, 
entering the PID:

column log_tim format a18
col username format a12
col osuser for a12
set linesize 132
set verify off
set pagesize 80
col program for a20
accept id prompt 'Enter shadow process ID : '
select osuser, a.program, sid, a.serial#, sql_address, prev_sql_Addr, 
taddr,
to_char(logon_time,'DD:HH24:MI:SS') log_tim, spid from v$session a, 
v$process b
where b.spid=('&&id') and a.paddr = b.addr(+) and a.type !='BACKGROUND'
order by logon_time desc ;

Once you have SQL_ADDRESS, then run THIS script, copying and pasting the 
SQL_ADDRESS value:

set pagesize 200
set verify off
accept adr char prompt "Enter SQL_ADDRESS for session whose SQL you wish to 
see : "
select ltrim(rtrim(sql_text)) from v$sqltext where address = '&&adr' order 
by piece;


Or if you have the PID, launch Toad, and get the Trace/Kill view and filter 
it for the PID, it will show you the SQL in the bottom pane. Much quicker 
with TOAD.

Regards :

Ferenc Mantfeld

-----Original Message-----
From:   Craig Healey [SMTP:[EMAIL PROTECTED]]
Sent:   Friday, January 10, 2003 1:40 AM
To:     Multiple recipients of list ORACLE-L
Subject:        Which session is killing performance?

Newbie question time:

We have 8.1.7 running on Win 2000 with about 50 users. The system has
just slowed down dramatically for about 5 minutes, with lots of user
complaints. I suspect one of the developers was loading data or doing
some DML. But how do I find who it is? I found a small piece of code on
AskTom that returned a user whose SQL has been running longer that x
seconds, but this wont necessarily be the user I'm looking for, will
it?. Is there something in v$session I should be looking at?

Any help appreciated

Craig Healey


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