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auditing [message #521620] Wed, 31 August 2011 10:39 Go to next message
matthew00
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Registered: October 2005
Junior Member
on my DB, I had audit_trial=DB and I didn't have anything set up for audit such as log on, insert, delete etc........

However, I do see records in SYS.AUD$ and I wonder if it will have performance impact even if I don't have anything set up for audit.

thx
Re: auditing [message #521624 is a reply to message #521620] Wed, 31 August 2011 10:48 Go to previous messageGo to next message
BlackSwan
Messages: 26766
Registered: January 2009
Location: SoCal
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It would be helpful if you followed Posting Guidelines - http://www.orafaq.com/forum/t/88153/0/

>I wonder if it will have performance impact even if I don't have anything set up for audit.
yes, no, maybe, it depends.

Can you get something for nothing?
If you can't measure something, does it really exist?

What can you do to change existing DB behavior regarding SYS.AUD$?

[Updated on: Wed, 31 August 2011 10:48]

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Re: auditing [message #521631 is a reply to message #521620] Wed, 31 August 2011 11:21 Go to previous messageGo to next message
matthew00
Messages: 7
Registered: October 2005
Junior Member
what I am trying to get to is if there is no auditing required then audit_trial should be set to NONE.

Re: auditing [message #521633 is a reply to message #521631] Wed, 31 August 2011 11:24 Go to previous messageGo to next message
Michel Cadot
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Is this a question or an assertion?

Regards
Michel
Re: auditing [message #521634 is a reply to message #521633] Wed, 31 August 2011 11:29 Go to previous messageGo to next message
BlackSwan
Messages: 26766
Registered: January 2009
Location: SoCal
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when all else fails Read The Fine Manual

http://download.oracle.com/docs/cd/E11882_01/server.112/e17110/initparams017.htm#REFRN10006

if no AUDIT is enabled, then does destination matter?
Re: auditing [message #521686 is a reply to message #521634] Thu, 01 September 2011 01:16 Go to previous message
Michel Cadot
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Registered: March 2007
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Actually when at any point in time you previously audited something "by session" (in the opposite to "by access") then Oracle afterwards adds a record of type 103 for each session even if nothing is now audited.
You have to switch off auditing with audit_trail=none or off (and restart the db) to clear this behaviour.

Regards
Michel

[Updated on: Thu, 01 September 2011 01:16]

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