sql - 创建表失败

Question

CREATE TABLE  `surfkid-db`.`Channels` (`name` VARCHAR( 30 ) NOT NULL ,`commercial` BOOL( 1 ) NOT NULL DEFAULT  '0' AUTO_INCREMENT ,`usrid` INT( 5 ) NOT NULL DEFAULT  '0' AUTO_INCREMENT ,`id` INT( 5 ) NOT NULL AUTO_INCREMENT PRIMARY KEY) ENGINE = MYISAM ;

错误:

#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '(1) NOT NULL DEFAULT '0' AUTO_INCREMENT, `usrid` INT(5) NOT NULL DEFAULT '0' AUT' at line 1 

我无法提供错误信息，抱歉请帮忙

Answer 1

我相信只有 INT 可以是 AUTO_INCREMENT，而且我相当确定只有主键可以自动递增。