Re: Which query is best?
Date: Tue, 15 Dec 2009 19:09:52 +0300
The UPDATE is intended for a single row only. I appreciate if you can further explain me about the other ... more optimistic ways you thought about whilst doing a single row UPDATE.
On Tue, Dec 15, 2009 at 6:06 PM, Rumpi Gravenstein <rgravens_at_gmail.com>wrote:
> <snip>They have explained me that, they have a
> SELECT .. FOR UPDATE and some other series of actions and then followed by
> Question -- is the update intended to update a single row or a set of
> rows? If the answer is a single row, then there are other ... more
> optimistic ... ways to get the lock that don't involve using the FOR
> UPDATE clause.
> Rumpi Gravenstein
-- Best Regards, Syed Jaffar Hussain Oracle Certified Master (10g) http://www.oracle.com/technology/ocm/shussain.html Oracle ACE http://apex.oracle.com/pls/otn/f?p=19297:4:4640302666204919::NO:4:P4_ID:186 OCP 8i,9i & 10g DBA RAC Certified Expert Official Oracle RAC SIG Representative for Saudi Arabian region ( http://www.oracleracsig.org/) I blog at http://jaffardba.blogspot.com/ LinkedIn : http://www.linkedin.com/pub/syed-jaffar-hussain/2/a71/918 -------------------- "Winners don't do different things. They do things differently." -- http://www.freelists.org/webpage/oracle-lReceived on Tue Dec 15 2009 - 10:09:52 CST