MySQL Forums
Forum List  »  PHP

Advanced Search
New Topic

Re: Huge database how to limit select
Posted by: Peter Brawley
Date: March 06, 2015 09:13AM

> actually, the problem is exactly when I am trying to run the query to see what is not matching between these table.

Yes, that's what an exclusion join does, and that's why I suggested adding a covering index.

Navigate: Previous Message• Next Message
Options: Reply• Quote


Subject
Written By
Posted
Huge database how to limit select
Raffael Vendrametto
March 05, 2015 03:45PM
Re: Huge database how to limit select
Peter Brawley
March 05, 2015 05:38PM
Re: Huge database how to limit select
Raffael Vendrametto
March 05, 2015 06:17PM
Re: Huge database how to limit select
Rick James
March 06, 2015 12:23AM
Re: Huge database how to limit select
Peter Brawley
March 06, 2015 09:13AM


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.