DROP DATABASE IF EXISTS test;
CREATE DATABASE test;
USE test;

CREATE TABLE `t3` (
    `id` int(11) NOT NULL AUTO_INCREMENT,
    `f22aBcDe` int(10) unsigned DEFAULT NULL COMMENT 'xxx`XXx',
    `f23aBc` int(10) unsigned NOT NULL DEFAULT '255' COMMENT "`yyy",
    PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=latin1;