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Re: Not equal operation can benefit from hash index?
Posted by: Rick James
Date: April 06, 2010 09:53PM

Where are you hoping to get a Hash index? MEMORY Engine?

Only = should work efficiently with a Hash index.
IN(...) might work well
<>, <, BETWEEN, etc, should not.

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Not equal operation can benefit from hash index?
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h ch
April 05, 2010 08:45PM
Re: Not equal operation can benefit from hash index?
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Rick James
April 06, 2010 09:53PM


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