Database Map PHP

CREATE TABLE IF NOT EXISTS `map` (
  `id` int(10) NOT NULL AUTO_INCREMENT,
  `x` varchar(5) DEFAULT NULL,
  `y` varchar(5) DEFAULT NULL,
  `tip` varchar(1) DEFAULT NULL,
  `subtip` varchar(1) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=MyISAM  DEFAULT CHARSET=latin1 AUTO_INCREMENT=1;