On 16.12.2014 15:16, xiangdongzou wrote: > Can anyone tell me why 531808.11 has been changed to 531808.12 ?
typical decimal->binary->decimal conversion/rounding error. If you want exact decimals you need to stick with the DECIMAL type which doesn't have this problem, at the cost of slower calculations though. see also: http://dev.mysql.com/doc/refman/5.5/en/problems-with-float.html -- Hartmut Holzgraefe, Principal Support Engineer (EMEA) MariaDB Corporation | http://www.mariadb.com/ -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql
