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Re: bad Join Performance
Posted by: Jørgen Løland ()
Date: October 31, 2011 12:41PM

Hi Leo,

Please provide the output of EXPLAIN for your query (enclosed in [ code] [ /code] tags). Also remove the USE INDEX hints. By using these hints you take on some of the responsibilities of the optimizer, so you should only use them if you are not happy with the choices it makes.

Hope this helps,
Jørgen Løland
Software Engineer, MySQL, Oracle
jorgenloland.blogspot.com

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Subject Views Written By Posted
bad Join Performance 2716 leo . 10/31/2011 12:21AM
Re: bad Join Performance 658 Jørgen Løland 10/31/2011 12:41PM
sry, double post 573 leo mueller 11/01/2011 12:12AM
sry, double post 756 leo mueller 11/01/2011 12:26AM
Re: bad Join Performance 559 leo mueller 11/01/2011 03:33AM
Re: bad Join Performance 593 Jørgen Løland 11/01/2011 08:29AM
Re: bad Join Performance 611 leo mueller 11/02/2011 08:21AM
Re: bad Join Performance 515 Jørgen Løland 11/03/2011 12:56AM
Re: bad Join Performance 557 leo mueller 11/03/2011 12:24AM
Re: bad Join Performance 624 Jørgen Løland 11/04/2011 06:35AM
Re: bad Join Performance 593 Rick James 11/02/2011 06:23AM
Re: bad Join Performance 546 leo mueller 11/02/2011 07:42AM


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