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Are MEMORY tables always faster?
Posted by: Nathan Cheng
Date: July 20, 2005 12:17AM

Our application uses TEMPORARY tables extensively (defaulting to the MyISAM engine)--creating and throwing them away several thousand times per second. The throw-away tables generally contain 1 to 1000 rows (of ids). This seems to perform quite well, but are we guaranteed even better performance if we create them all as MEMORY-type instead (and still TEMPORARY)? I.e. are MEMORY tables always faster, even for TEMPORARY tables?

Thanks for your help!

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