如何查看MySQL數據庫字符集

本文匯總有關查看 MySQL 字符集的命令。包括查看 MySQL 數據庫服務器字符集、查看 MySQL 數據庫字符集，以及數據表和字段的字符集、當前安裝的 MySQL 所支持的字符集等命令，以下命令在windows，linux下面都是適用的。

一、查看 MySQL 數據庫服務器和數據庫字符集

mysql> show variables like '%char%';

+--------------------------+-------------------------------------+------
| Variable_name            | Value                               |......
+--------------------------+-------------------------------------+------
| character_set_client     | utf8                                |......  -- 客戶端字符集
| character_set_connection | utf8                                |......
| character_set_database   | utf8                                |......  -- 數據庫字符集
| character_set_filesystem | binary                              |......
| character_set_results    | utf8                                |......
| character_set_server     | utf8                                |......  -- 服務器字符集
| character_set_system     | utf8                                |......
| character_sets_dir       | D:\MySQL Server 5.0\share\charsets\ |......
+--------------------------+-------------------------------------+------

二、查看 MySQL 數據表（table） 的字符集

mysql> show table status from sqlstudy_db like '%countries%';

+-----------+--------+---------+------------+------+-----------------+------
| Name      | Engine | Version | Row_format | Rows | Collation       |......
+-----------+--------+---------+------------+------+-----------------+------
| countries | InnoDB |      10 | Compact    |   11 | utf8_general_ci |......
+-----------+--------+---------+------------+------+-----------------+------

三、查看 MySQL 數據列（column）的字符集

mysql> show full columns from countries;

+----------------------+-------------+-----------------+--------
| Field                | Type        | Collation       | .......
+----------------------+-------------+-----------------+--------
| countries_id         | int(11)     | NULL            | .......
| countries_name       | varchar(64) | utf8_general_ci | .......
| countries_iso_code_2 | char(2)     | utf8_general_ci | .......
| countries_iso_code_3 | char(3)     | utf8_general_ci | .......
| address_format_id    | int(11)     | NULL            | .......
+----------------------+-------------+-----------------+--------

四、查看當前安裝的 MySQL 所支持的所有字符集

mysql> show charset;

+----------+-----------------------------+---------------------+--------+
| Charset  | Description                 | Default collation   | Maxlen |
+----------+-----------------------------+---------------------+--------+
| big5     | Big5 Traditional Chinese    | big5_chinese_ci     |      2 |
| dec8     | DEC West European           | dec8_swedish_ci     |      1 |
| cp850    | DOS West European           | cp850_general_ci    |      1 |

...... 此處省略N行

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