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Message from discussion CBO & different execution plans
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Jonathan Lewis  
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 More options Apr 8 2007, 10:43 am
Newsgroups: comp.databases.oracle.server
From: "Jonathan Lewis" <jonat...@jlcomp.demon.co.uk>
Date: Sun, 8 Apr 2007 15:43:35 +0100
Local: Sun, Apr 8 2007 10:43 am
Subject: Re: CBO & different execution plans
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"Matthias Hoys" <a...@spam.com> wrote in message

news:4617abb4$0$13866$ba620e4c@news.skynet.be...

> By accident, I found the solution for this problem on MetaLink :

> Bug 4652274 - Explain Plan Differs With Different Users

> It has to do with the init parameter secure_view_merging, which is new
> since 10gR2. Setting it to FALSE in the spfile and boucing the instance
> resolved all my problems ... Now queries on view from another schema have
> the same exection plans when executed by the view owner compared to
> another user.

> Matthias

Thanks for the feedback.

--
Regards

Jonathan Lewis
http://jonathanlewis.wordpress.com

Author: Cost Based Oracle: Fundamentals
http://www.jlcomp.demon.co.uk/cbo_book/ind_book.html

The Co-operative Oracle Users' FAQ
http://www.jlcomp.demon.co.uk/faq/ind_faq.html


 
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