Comments on: Why Isn’t My Index Used… When USER2 Executes this Query? http://hoopercharles.wordpress.com/2011/11/23/why-isnt-my-index-used-when-user2-executes-this-query/ Miscellaneous Random Oracle Topics: Stop, Think, ... Understand Mon, 13 May 2013 14:10:06 +0000 hourly 1 http://wordpress.com/ By: Log Buffer #247, A Carnival of the Vanities for DBAs | The Pythian Blog http://hoopercharles.wordpress.com/2011/11/23/why-isnt-my-index-used-when-user2-executes-this-query/#comment-4096 Fri, 25 Nov 2011 07:01:54 +0000 http://hoopercharles.wordpress.com/?p=5654#comment-4096 [...] Isn’t My Index Used… When USER2 Executes this Query? One of leading guru Charles Hooper [...]

]]> By: Charles Hooper http://hoopercharles.wordpress.com/2011/11/23/why-isnt-my-index-used-when-user2-executes-this-query/#comment-4095 Fri, 25 Nov 2011 01:53:37 +0000 http://hoopercharles.wordpress.com/?p=5654#comment-4095 I agree that many of Randolf Geist’s articles are impressive. Thanks for linking to the articles.

Another good article is written by Christian Antognini, although the OP in the OTN thread stated that disabling secure view merging (as a quick test) did not affect the execution plan:
http://antognini.ch/2011/09/optimizer_secure_view_merging-and-vpd/

]]> By: Yasser http://hoopercharles.wordpress.com/2011/11/23/why-isnt-my-index-used-when-user2-executes-this-query/#comment-4092 Thu, 24 Nov 2011 15:17:37 +0000 http://hoopercharles.wordpress.com/?p=5654#comment-4092 Thanks for sharing…

VPD seems to be most powerful when brilliant thoughts are applied to it.

Some of the most impressive work done by Randolf Geist on VPD.

http://oracle-randolf.blogspot.com/2011/10/volatile-data-dynamic-sampling-and.html

http://oracle-randolf.blogspot.com/2009/02/how-to-force-hard-parse.html

Thanks,
Yasser

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