今天遇到一事，就是我在升级mysql数据库后进入数据建立一远程用户，结果报错了。
mysql> flush privileges;ERROR 1146 (42S02): Table 'mysql.servers' doesn't exist
这是由于升级完数据库后丢失原有的系统表后造成的
mysql> CREATE TABLE `servers` ( -> `Server_name` char(64) NOT NULL, -> `Host` char(64) NOT NULL,`Db` char(64) NOT NULL, -> `Username` char(64) NOT NULL, -> `Password` char(64) NOT NULL, -> `Port` int(4) DEFAULT NULL, -> `Socket` char(64) DEFAULT NULL, -> `Wrapper` char(64) NOT NULL, -> `Owner` char(64) NOT NULL, -> PRIMARY KEY (`Server_name`) -> ) ENGINE=MyISAM DEFAULT CHARSET=utf8 COMMENT='MySQL Foreign Servers table'; Query OK, 0 rows affected (0.05 sec)mysql> flush privileges;Query OK, 0 rows affected (0.00 sec)mysql>