SHOW CHARACTER SET

SHOW CHARACTER SET 语句提供 TiDB 中可用字符集的静态列表。此列表不反映当前连接或用户的任何属性。

语法图

ShowCharsetStmt:

ShowCharsetStmt

CharsetKw:

CharsetKw

示例

SHOW CHARACTER SET;
+---------+---------------+-------------------+--------+
| Charset | Description   | Default collation | Maxlen |
+---------+---------------+-------------------+--------+
| utf8    | UTF-8 Unicode | utf8_bin          |      3 |
| utf8mb4 | UTF-8 Unicode | utf8mb4_bin       |      4 |
| ascii   | US ASCII      | ascii_bin         |      1 |
| latin1  | Latin1        | latin1_bin        |      1 |
| binary  | binary        | binary            |      1 |
+---------+---------------+-------------------+--------+
5 rows in set (0.00 sec)

MySQL 兼容性

SHOW CHARACTER SET 语句功能与 MySQL 完全兼容。注意,TiDB 中字符集的默认排序规则与 MySQL 有所不同,具体可以参考与 MySQL 兼容性对比。对于其他问题导致的兼容性差异,请在 GitHub 上提交 issue

另请参阅