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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)

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Why is ORDER BY ASC is slow but ORDER DESC is fast ? and how can i fix it ?
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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 ?
1514
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 ?
1509
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 ?
1344
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 ?
1422
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 ?
1291
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 ?
1316
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 ?
1256
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 ?
1440
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 ?
3105
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 ?
1229
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 ?
1253
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 ?
1434
Rick James
October 09, 2015 10:34PM


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