CREATE TABLE IF NOT EXISTS `php-jquery_example`.`users` (
  `user_id` INT(11) NOT NULL AUTO_INCREMENT,
  `user_name` VARCHAR(80) DEFAULT NULL,
  `user_pass` VARCHAR(47) DEFAULT NULL,
  `user_email` VARCHAR(80) DEFAULT NULL,
  PRIMARY KEY (`user_id`),
  UNIQUE (`user_name`)
) ENGINE=MyISAM CHARACTER SET utf8 COLLATE utf8_unicode_ci;