http://www.rustyrazorblade.com/2008/04/decimal-vs-float-in-mysql/ Tech Thoughts, Mostly on LAMP - by Jon Haddad Mon, 23 Jan 2012 09:03:48 +0000 hourly 1 http://wordpress.org/?v=3.2.1 http://www.rustyrazorblade.com/2008/04/decimal-vs-float-in-mysql/comment-page-1/#comment-53152 Richard Cummings Thu, 23 Sep 2010 17:54:06 +0000 http://www.rustyrazorblade.com/?p=114#comment-53152 Thx for the historical clarification of float versus decimal. It helped clear things up. --Richard Thx for the historical clarification of float versus decimal. It helped clear things up. –Richard

]]> http://www.rustyrazorblade.com/2008/04/decimal-vs-float-in-mysql/comment-page-1/#comment-17178 Arjen Lentz Wed, 02 Apr 2008 02:25:47 +0000 http://www.rustyrazorblade.com/?p=114#comment-17178 Storage and straight retrieval has never been the issue, but prior to MySQL 5.0 any calculations on a DECIMAL type column would be done using floating point arithmetic. Starting with MySQL 5.0, the server uses a separate fixed-point arithmetic library for this. This is essential to not lose precision with money (and thus not lose/gain fractions of cents all the time ;-) Storage and straight retrieval has never been the issue, but prior to MySQL 5.0 any calculations on a DECIMAL type column would be done using floating point arithmetic. Starting with MySQL 5.0, the server uses a separate fixed-point arithmetic library for this. This is essential to not lose precision with money (and thus not lose/gain fractions of cents all the time

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