Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Mailing Lists -> Oracle-L -> Re: db_file_multiblock_read_count and performance

Re: db_file_multiblock_read_count and performance

From: Jared Still <jkstill_at_gmail.com>
Date: Tue, 7 Dec 2004 07:47:40 -0800
Message-ID: <bf463804120707473447a153@mail.gmail.com>


Since the table was created with out indexes, and the SQL was hinted to FULL(), there really was no choice other than FTS.

On Tue, 07 Dec 2004 15:05:22 +0000, ryan_gaffuri_at_comcast.net <ryan_gaffuri_at_comcast.net> wrote:
> To those of you who posted test cases with different level of performance based on the DFMRC. Did your query plan change? I know this parameter can affect query plans, but if you are doing a straight full table scan, I did not notice any performance difference with different settings. I only noticed differences if my plan changed.
> I was looking to test whether it actually increases the pipe to the hard drive.
>
>
> --
> http://www.freelists.org/webpage/oracle-l
>

-- 
Jared Still
Certifiable Oracle DBA and Part Time Perl Evangelist
--
http://www.freelists.org/webpage/oracle-l
Received on Tue Dec 07 2004 - 09:53:54 CST

Original text of this message

HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US