RE: DML on dual?
- From: "Herring Dave - dherri" <Dave.Herring@xxxxxxxxxx>
- To: "John Darrah" <darrah.john@xxxxxxxxx>
- Date: Thu, 12 Apr 2007 13:37:45 -0500
Good call! I didn't see this previously, but then again I didn't search for it
specifically:
LAST_LOAD_TIME LOADED_VERSIONS OPEN_VERSIONS EXECUTIONS
FIRST_LOAD_TIME CPU_TIME
------------------- ------------------ ------------------ ------------------
------------------- ------------------
ELAPSED_TIME
------------------
SQL_TEXT
------------------------------------------------------------------------------------------------------------------------------------
2007-04-12/08:59:30 1 1 927
2007-04-06/20:30:02 352600
539648
SELECT NULL FROM DUAL FOR UPDATE NOWAIT
I also now have the userid that generates these. At least now I know. Thanks
again.
Dave
___________________________________
David C. Herring, DBA | A c x i o m Delivery Center Organization
630-944-4762 office | 630-430-5988 wireless | 630-944-4989 fax
________________________________________
From: John Darrah [mailto:darrah.john@xxxxxxxxx]
Sent: Thursday, April 12, 2007 1:20 PM
To: Herring Dave - dherri
Cc: oracle-l@xxxxxxxxxxxxx
Subject: Re: DML on dual?
I've seen several oracle trace files that have the statement "SELECT 1 FROM
DUAL FOR UPDATE NOWAIT" I have no idea what the purpose of that statement is
but it probably explains what you are seeing.
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