RE: strange CBO decision
- From: "Jamadagni, Rajendra" <Rajendra.Jamadagni@xxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Tue, 2 Mar 2004 08:48:59 -0500
same is with date and varchar2 conversion as well.
Raj
--------------------------------------------------------------------------------
Rajendra dot Jamadagni at nospamespn dot com
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-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of Mercadante, Thomas F
Sent: Tuesday, March 02, 2004 8:32 AM
To: 'oracle-l@xxxxxxxxxxxxx'
Subject: RE: strange CBO decision
Jonathan,
I learnt something new today! I just tried it and, of course, you are
correct!
Thanks!
Tom Mercadante
Oracle Certified Professional
-----Original Message-----
From: Jonathan Lewis [mailto:jonathan@xxxxxxxxxxxxxxxxxx]
Sent: Monday, March 01, 2004 4:08 PM
To: oracle-l@xxxxxxxxxxxxx
Subject: Re: strange CBO decision
No. It's not a column/literal thing, it's
a number/varchar thing.
A clause like:
... where numeric_column = character_literal
will convert the literal to match the column type.
Regards
Jonathan Lewis
http://www.jlcomp.demon.co.uk
The Co-operative Oracle Users' FAQ
http://www.jlcomp.demon.co.uk/faq/ind_faq.html
March 2004 Hotsos Symposium - The Burden of Proof
Dynamic Sampling - an investigation
March 2004 Charlotte OUG (www.cltoug.org) CBO Tutorial
April 2004 Iceland
June 2004 UK - Optimising Oracle Seminar
----- Original Message -----
From: "Mercadante, Thomas F" <thomas.mercadante@xxxxxxxxxxxxxxxxx>
>
> Remember, Oracle will not convert a literal to match a column - it
converts
> the column to match the literal. Makes perfect sense.
>
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