Re: Unable to find SQL executed by blocking session

  • From: Stephane Faroult <sfaroult@xxxxxxxxxxxx>
  • To: Oracle Discussion List <oracle-l@xxxxxxxxxxxxx>, rjamya <rjamya@xxxxxxxxx>
  • Date: Fri, 15 Oct 2004 17:44:33 +0200

 
Raj, 

   Might it be that your sessions are attached to different instances? What
are you checking? V$ or GV$ views ?

Regards, 

Stephane Faroult 

RoughSea Ltd 
http://www.roughsea.com 


On Fri, 15 Oct 2004 11:18 , rjamya <rjamya@xxxxxxxxx> sent:

Oracle 9204, AIX 5.2, RAC system.

I am trying to write a script that will show all the blocking locks in
the system and the SQL beign executed by the sessions.

So, here is how I tested ...

create table raj_test(a varchar2(1))
/
insert into raj_Test values ('A')
/
commit
/
update /* test 1 */ raj_test set a = 'B'
/

in another session logging in as the same user

update /* test 2 */ raj_test set a = 'C'
/

when i run my script, the blocker session shows hash value of 0, so I
am unable to show the associated SQL. The locked session shows the
hash value and I can show the sql.

does anyone know why this might be happening? Any workarounds? 
TIA
Raj 
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