关于MySQL报错的问题!

 CREATE TABLE `dz` (
  `dzzh` int NOT NULL AUTO_INCREMENT COMMENT '读者证号',
  `xm` varchar(8) NOT NULL COMMENT '姓名',
  `xb` enum('男','女') DEFAULT '男' COMMENT '性别',
  `sf` enum('研究生','工作人员','教研人员') DEFAULT '研究生' COMMENT '身份',
  PRIMARY KEY (`dzzh`)
 )
 describe `dz`;

运行后报错
ERROR 1064 (42000) at line 3: 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 'describe dz' at line 8
去掉最后一行就不报错了,是最后一行有什么问题吗

describe 改为comment