通过MySQL命令行修改:

mysql> set character_set_client=utf8;

Query OK, 0 rows affected (0.00 sec)

mysql> set character_set_connection=utf8;

Query OK, 0 rows affected (0.00 sec)

mysql> set character_set_database=utf8;

Query OK, 0 rows affected (0.00 sec)

mysql> set character_set_results=utf8;

Query OK, 0 rows affected (0.00 sec)

mysql> set character_set_server=utf8;

Query OK, 0 rows affected (0.00 sec)

mysql> set character_set_system=utf8;

Query OK, 0 rows affected (0.01 sec)

mysql> set collation_connection=utf8;

Query OK, 0 rows affected (0.01 sec)

mysql> set collation_database=utf8;

Query OK, 0 rows affected (0.01 sec)

mysql> set collation_server=utf8;

Query OK, 0 rows affected (0.01 sec)

查看:

mysql> show variables like 'character_set_%';

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

| 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                        |

| character_sets_dir        | /usr/share/mysql/charsets/ |

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

8 rows in set (0.03 sec)

mysql> show variables like 'collation_%';

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

| Variable_name         | Value            |

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

| collation_connection | utf8_general_ci |

| collation_database    | utf8_general_ci |

| collation_server      | utf8_general_ci |

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

3 rows in set (0.04 sec)