Re: Sort Performance
Do you have an index on security field?
Maybe MySQL uses the security field index in the query with ORDER BY as to prevent doing the sorting while doing a full table scan on the query without ORDER BY.
The EXPLAIN will help a lot.
Subject
Views
Written By
Posted
6322
November 01, 2004 08:02PM
2929
November 05, 2004 12:46AM
3520
November 09, 2004 03:04PM
2922
November 09, 2004 06:46PM
2849
November 09, 2004 07:56PM
3163
November 09, 2004 09:05PM
Re: Sort Performance
2770
November 05, 2004 01:44AM
2768
November 10, 2004 07:12PM
Sorry, you can't reply to this topic. It has been closed.
Content reproduced on this site is the property of the respective copyright holders.
It is not reviewed in advance by Oracle and does not necessarily represent the opinion
of Oracle or any other party.