MySQL Forums
Forum List  »  Performance

Advanced Search
New Topic

Re: Why is ORDER BY ASC is slow but ORDER DESC is fast ? and how can i fix it ?
Posted by: Rick James
Date: October 06, 2015 11:00AM

As for your ASC/DESC question -- there is no 'good' answer.

As for that query, it needs either of these:
INDEX(enabled, verified, category)
INDEX(verified, enabled, category)

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


Subject
Views
Written By
Posted
Why is ORDER BY ASC is slow but ORDER DESC is fast ? and how can i fix it ?
2462
Ronald Brown
October 03, 2015 12:47AM
Re: Why is ORDER BY ASC is slow but ORDER DESC is fast ? and how can i fix it ?
1358
Rick James
October 03, 2015 08:01PM
Re: Why is ORDER BY ASC is slow but ORDER DESC is fast ? and how can i fix it ?
1372
Ronald Brown
October 03, 2015 08:34PM
Re: Why is ORDER BY ASC is slow but ORDER DESC is fast ? and how can i fix it ?
1168
Rick James
October 05, 2015 10:38AM
Re: Why is ORDER BY ASC is slow but ORDER DESC is fast ? and how can i fix it ?
1105
Rick James
October 05, 2015 10:41AM
Re: Why is ORDER BY ASC is slow but ORDER DESC is fast ? and how can i fix it ?
1095
Ronald Brown
October 05, 2015 10:50AM
Re: Why is ORDER BY ASC is slow but ORDER DESC is fast ? and how can i fix it ?
1015
Ronald Brown
October 04, 2015 08:28PM
Re: Why is ORDER BY ASC is slow but ORDER DESC is fast ? and how can i fix it ?
1062
Ronald Brown
October 05, 2015 12:26PM
Re: Why is ORDER BY ASC is slow but ORDER DESC is fast ? and how can i fix it ?
1163
Rick James
October 06, 2015 11:00AM
Re: Why is ORDER BY ASC is slow but ORDER DESC is fast ? and how can i fix it ?
2744
Ronald Brown
October 06, 2015 11:50PM
Re: Why is ORDER BY ASC is slow but ORDER DESC is fast ? and how can i fix it ?
1102
Rick James
October 07, 2015 08:12PM
Re: Why is ORDER BY ASC is slow but ORDER DESC is fast ? and how can i fix it ?
1071
Ronald Brown
October 08, 2015 11:17PM
Re: Why is ORDER BY ASC is slow but ORDER DESC is fast ? and how can i fix it ?
1137
Rick James
October 09, 2015 10:34PM


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.