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: can we drop the index on composite partitioned table

RE: can we drop the index on composite partitioned table

From: Ian Cary (C) <Ian.Cary_at_ordnancesurvey.co.uk>
Date: Wed, 4 May 2005 08:50:08 +0100
Message-ID: <AB4FD5014A06414688019F9244194C66A544C6@EXCHMSA.ordsvy.gov.uk>

The index isn't used to drive partition elimination, so unless you are runn=
ing queries that only target a small range of rows within a partition using=
 the partitioning key as a where predicate is it better NOT to have an inde=
x based on the partitioning key column.

Cheers,

Ian

This email is only intended for the person to whom it is addressed and may =
contain confidential information. If you have received this email in error,=
 please notify the sender and delete this email which must not be copied, d=
istributed or disclosed to any other person.
Unless stated otherwise, the contents of this email are personal to the wri=
ter and do not represent the official view of Ordnance Survey. Nor can any =
contract be formed on Ordnance Survey's behalf via email. We reserve the ri=
ght to monitor emails and attachments without prior notice.

Thank you for your cooperation.

Ordnance Survey
Romsey Road
Southampton SO16 4GU
Tel: 023 8079 2000
http://www.ordnancesurvey.co.uk

--
http://www.freelists.org/webpage/oracle-l
Received on Wed May 04 2005 - 03:54:33 CDT

Original text of this message

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