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TINYINT(1) or ENUM( 'true' , 'false')
Posted by: yoderek
Date: February 23, 2006 01:56PM

Which would be the more optimzed way to store a boolean, TINYINT(1) or ENUM( 'true' , 'false')? It seems that when storing an enum w/ two settings should only take up one bit, 0 or 1, but would spend more time looking up the enums in the beginning of the query. tinyint(1) however would take up 4 bits assuming it ranged 0-9. So it seems if you just wanted to fetch the value, tinyint(1) would be faster, but if you are searching through lots of records enum('true','false') would be faster. Do you concur??

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TINYINT(1) or ENUM( 'true' , 'false')
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