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Re: Composite index
Posted by: Rick James
Date: August 27, 2016 01:55PM

Please provide SHOW CREATE TABLE.
Were the values (3 and 9) were constant or changing?
Please provide EXPLAIN FORMAT=JSON SELECT ...
Please explain why you are even considering MyISAM instead of InnoDB.
Please explain why that particular SELECT is of interest -- The performance will change if you add anything to the SELECT list, or practically anything else. (I am not a fan of benchmarks because they often do not match "reality".)

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