1. 编辑/etc/my.cnf文件, 在"[client]"下添加"default-character-set=utf8"

2. 编辑/etc/my.cnf文件, 在"[mysqld]"下添加"default-character-set=utf8"

3. 重新启动mysql服务

# sudo /etc/init.d/mysqld restart

* 查看系统字符集和排序方式

mysql> SHOW VARIABLES LIKE 'collation/_%';

+--------------------------+--------+

| Variable_name | Value |

+--------------------------+--------+

| character_set_client | utf8 |

| character_set_connection | utf8 |

| character_set_database | utf8 |

| character_set_filesystem | binary |

| character_set_results | utf8 |

| character_set_server | utf8 |

| character_set_system | utf8 |

+--------------------------+--------+

mysql> SHOW VARIABLES LIKE 'character/_set/_%';

+----------------------+-----------------+

| Variable_name | Value |

+----------------------+-----------------+

| collation_connection | utf8_general_ci |

| collation_database | utf8_bin |

| collation_server | utf8_general_ci |

+----------------------+-----------------+

4. 设置数据库字符集

mysql> create database default character set utf8 default collate utf8_bin;

或者修改已有数据库

mysql> alter database default character set utf8 default collate utf8_bin;

* 查看mysql支持的所有的COLLATION

mysql> SHOW COLLATION;