mysql数据库编码查询 sql查询mysql编码

导读:MySQL编码是指在使用MySQL数据库时 , 对数据进行存储、传输和显示的字符集 。正确设置MySQL编码可以避免乱码问题,同时提高系统的稳定性和安全性 。本文将介绍如何查询MySQL编码 。
1. 查看MySQL当前编码
使用以下命令可以查看MySQL当前的编码:
```
SHOW VARIABLES LIKE 'character_set_database';
该命令会返回当前数据库的编码格式 , 例如:
+------------------------+-------+
| Variable_name | Value |
| character_set_database | utf8 |
2. 查看MySQL支持的编码
使用以下命令可以查看MySQL支持的编码:
SHOW CHARACTER SET;
该命令会返回MySQL支持的所有编码格式,例如:
+----------+-----------------------------+---------------------+--------+
| 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 |
| hp8 | HP West European | hp8_english_ci | 1 |
| koi8r | KOI8-R Relcom Russian | koi8r_general_ci | 1 |
| latin1 | cp1252 West European | latin1_swedish_ci | 1 |
| latin2 | ISO 8859-2 Central European | latin2_general_ci | 1 |
| swe7 | 7bit Swedish | swe7_swedish_ci | 1 |
| utf8 | UTF-8 Unicode | utf8_general_ci | 3 |
【mysql数据库编码查询 sql查询mysql编码】| utf8mb4 | UTF-8 Unicode | utf8mb4_general_ci | 4 |
| ucs2 | UCS-2 Unicode | ucs2_general_ci | 2 |
| utf16 | UTF-16 Unicode | utf16_general_ci | 4 |
| utf16le | UTF-16LE Unicode | utf16le_general_ci | 4 |
| cp1250 | Windows Central European | cp1250_general_ci | 1 |
| cp1256 | Windows Arabic | cp1256_general_ci | 1 |
| cp866 | DOS Russian | cp866_general_ci | 1 |
| gb2312 | GB2312 Simplified Chinese | gb2312_chinese_ci | 2 |
| gbk | GBK Simplified Chinese | gbk_chinese_ci | 2 |
| sjis | Shift-JIS Japanese | sjis_japanese_ci | 2 |
| tis620 | TIS620 Thai | tis620_thai_ci | 1 |
3. 查看MySQL表的编码
使用以下命令可以查看MySQL表的编码:
SHOW CREATE TABLE table_name;
该命令会返回指定表的创建语句 , 其中包含了该表的编码格式,例如:
CREATE TABLE `test` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`name` varchar(50) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;
4. 总结
正确设置MySQL编码可以避免乱码问题,同时提高系统的稳定性和安全性 。本文介绍了如何查询MySQL当前编码、支持的编码和表的编码,希望对大家有所帮助 。

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