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Re: Query time differences.
Posted by: Peter Brawley
Date: August 25, 2015 06:20PM

In MySQL, semi-joins like exists() are slower and optimise poorly, especially before version 5.6.

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August 25, 2015 05:46PM
Re: Query time differences.
August 25, 2015 06:20PM
August 26, 2015 10:40AM
August 27, 2015 11:16AM
August 29, 2015 11:49AM


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