ubuntu下更改MYSQL数据库默认字符集

环境：ubuntu12.04 LTS

1. 备份/etc/mysql/my.cnf

2. 修改/etc/mysql/my.cnf

     a.)[client]     default-character-set=utf8

     b.)[mysql]    default-character-set=utf8

     c.)[mysqld]  character-set-server=utf8     collation-server=utf8_general_ci

3. 重新启动MYSQL：sudo /etc/init.d/mysql restart