查看MySQL系統字符集設置

mysql> show variables like '%char%';
+----------------------------------------+-----------------------------------+
| Variable_name                           | Value                                     |
+----------------------------------------+-----------------------------------+
| character_set_client                 | latin1                                      |
| character_set_connection       | latin1                                     |
| character_set_database         | latin1                                      |
| character_set_filesystem        | binary                                     |
| character_set_results              | latin1                                      |
| character_set_server               | latin1                                      |
| character_set_system             | utf8                                          |
| character_sets_dir                   | /usr/share/mysql/charsets/ |

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

character_set_client                 客戶端使用的編碼
character_set_connection       連接數據庫的字符集設置類型，如果連接沒有指明，則
character_set_database          數據庫的字符集設置類型，如果建庫是沒有指明，則
character_set_filesystem        ？                       |
character_set_results              數據庫返回查詢結果集時使用的字符集設定
character_set_server               服務器使用的字符集設定
character_set_system             數據庫系統使用的字符集設定
character_sets_dir                   ？