CREATE TABLE `healerjean_comment` (
 `id` bigint(20) NOT NULL AUTO_INCREMENT,
 `name` varchar(32) NOT NULL COMMENT '名字备注',
 `email` varchar(64) NOT NULL,
 `message` text ,
 PRIMARY KEY (`id`),
 KEY `index_name` (`name`)
) COMMENT='表名备注' ;

ALTER TABLE healerjean_comment COMMENT='测试索引表';
ALTER table healerjean_comment MODIFY name VARCHAR(32) NOT NULL COMMENT '名字备注'

show create table healerjean;

show full columns from healerjean;