RE: how to find the most resource intensive sql?
- From: Srinivasan Vasan <Vasan.Srinivasan@xxxxxxxxxxxxx>
- To: "'oracle-l@xxxxxxxxxxxxx'" <oracle-l@xxxxxxxxxxxxx>
- Date: Thu, 11 Mar 2004 13:22:05 -0000
You are asking 2 questions - one in the subject and one in your user's query
- hope the following helps (use a variation on the first one to suit your
needs):
Answer to 1:
select a.executions, a.disk_reads, a.disk_reads/a.executions dre,
a.buffer_gets,
a.buffer_gets/a.executions bge, b.username,
a.first_load_time,a.sql_text
from v$sql a, all_users b
where a.executions > 0
and a.parsing_user_id = b.user_id
order by 1 desc;
Answer to 2:
http://searchoracle.techtarget.com/tip/0,289483,sid41_gci935720,00.html?trac
k=NL-93
Cheers,
Vasan (x5707)
Mailpoint 28
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Vasan Srinivasan * 020 8313 5707
Infrastructure Service Manager * 020 8313 5646
Oracle Technologies
Churchill Insurance, IT Department
Purple Floor, Phase 1, Churchill Court
1 Westmoreland Road,
Bromley, Kent, BR1 1DP.
* Vasan.Srinivasan@xxxxxxxxxxxxx
Mobile * 07710 154 987
http://oratech
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Views Presented here are not necessarily the views
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-----Original Message-----
From: ryan.gaffuri@xxxxxxx [mailto:ryan.gaffuri@xxxxxxx]
Sent: 11 March 2004 13:12
To: oracle-l@xxxxxxxxxxxxx
Subject: how to find the most resource intensive sql?
assuming you can't use statspack? Is there a query for this? I was asked the
following and I'm not sure how to answer it:
'A user comes to you and says they get to a point in the application and hit
a button. It's slow. You do not have any access to the application. How do
you find the problem query in the database'
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