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:
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。如发现任何兼容性差异，请在 GitHub 上提交 issue。