实例讲解MySQL字符集出错的解决方法

Illegal mix of collations (gbk_chinese_ci,IMPLICIT) 
and (gbk_bin,IMPLICIT) for operation '=',
 SQL State: HY000, Error Code: 1267

CREATE TABLE `teachers` (
  `id` int(11) NOT NULL default '0',
  `name` varchar(20) default NULL,
  `password` varchar(20) default NULL,
  `department_id` int(11) default NULL,
  PRIMARY KEY  (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=gbk;

CREATE TABLE `teachers` (
  `id` int(11) NOT NULL default '0',
  `name` varchar(20) default NULL,
  `password` varchar(20) default NULL,
  `department_id` int(11) default NULL,
  PRIMARY KEY  (`id`)
) ;