方法：1、“show charset”语句，查看MYSQL所支持的字符集；2、“show create database 库名G”语句，查看库的字符集；3、“show full columns from 表名”，查看表中所有列的字符集。
本教程操作环境：windows7系统、mysql8版本、Dell G3电脑。
查看字符集
1、查看MYSQL数据库服务器和数据库字符集
方法一：show variables like '%character%';方法二：show variables like 'collation%';
方法一：
mysql> show variables like '%character%';+--------------------------+--------------------------------------+| Variable_name | Value |+--------------------------+--------------------------------------+| character_set_client | utf8 || character_set_connection | utf8 || character_set_database | utf8 || character_set_filesystem | binary || character_set_results | utf8 || character_set_server | utf8 || character_set_system | utf8 || character_sets_dir | /usr/local/mysql5535/share/charsets/ |+--------------------------+--------------------------------------+8 rows in set (0.00 sec)
方法二：
mysql> show variables like 'collation%';+----------------------+-----------------+| Variable_name | Value |+----------------------+-----------------+| collation_connection | utf8_general_ci || collation_database | utf8_general_ci || collation_server | utf8_general_ci |+----------------------+-----------------+3 rows in set (0.00 sec)
2、查看MYSQL所支持的字符集
使用show charset可查看MYSQL所支持的字符集
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 || 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 || ascii | US ASCII | ascii_general_ci | 1 || ujis | EUC-JP Japanese | ujis_japanese_ci | 3 || sjis | Shift-JIS Japanese | sjis_japanese_ci | 2 || hebrew | ISO 8859-8 Hebrew | hebrew_general_ci | 1 || tis620 | TIS620 Thai | tis620_thai_ci | 1 || euckr | EUC-KR Korean | euckr_korean_ci | 2 || koi8u | KOI8-U Ukrainian | koi8u_general_ci | 1 || gb2312 | GB2312 Simplified Chinese | gb2312_chinese_ci | 2 || greek | ISO 8859-7 Greek | greek_general_ci | 1 || cp1250 | Windows Central European | cp1250_general_ci | 1 || gbk | GBK Simplified Chinese | gbk_chinese_ci | 2 || latin5 | ISO 8859-9 Turkish | latin5_turkish_ci | 1 || armscii8 | ARMSCII-8 Armenian | armscii8_general_ci | 1 || utf8 | UTF-8 Unicode | utf8_general_ci | 3 || ucs2 | UCS-2 Unicode | ucs2_general_ci | 2 || cp866 | DOS Russian | cp866_general_ci | 1 || keybcs2 | DOS Kamenicky Czech-Slovak | keybcs2_general_ci | 1 || macce | Mac Central European | macce_general_ci | 1 || macroman | Mac West European | macroman_general_ci | 1 || cp852 | DOS Central European | cp852_general_ci | 1 || latin7 | ISO 8859-13 Baltic | latin7_general_ci | 1 || utf8mb4 | UTF-8 Unicode | utf8mb4_general_ci | 4 || cp1251 | Windows Cyrillic | cp1251_general_ci | 1 || utf16 | UTF-16 Unicode | utf16_general_ci | 4 || cp1256 | Windows Arabic | cp1256_general_ci | 1 || cp1257 | Windows Baltic | cp1257_general_ci | 1 || utf32 | UTF-32 Unicode | utf32_general_ci | 4 || binary | Binary pseudo charset | binary | 1 || geostd8 | GEOSTD8 Georgian | geostd8_general_ci | 1 || cp932 | SJIS for Windows Japanese | cp932_japanese_ci | 2 || eucjpms | UJIS for Windows Japanese | eucjpms_japanese_ci | 3 |+----------+-----------------------------+---------------------+--------+39 rows in set (0.00 sec)
3、查看库的字符集
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2 查看详情 
语法：show create database 数据库G;
mysql> show create database shiyanG*************************** 1. row *************************** Database: shiyanCreate Database: CREATE DATABASE `shiyan` /*!40100 DEFAULT CHARACTER SET gbk */1 row in set (0.00 sec)
4、查看表的字符集
语法：show table status from 库名 like 表名;
mysql> show table status from class_7 like 'test_info';+-----------+--------+---------+------------+------+----------------+-------------------------+-------------+------------+-----------------+----------+-| Name | Engine | Version | Row_format | Rows | Avg_row_length | Data_leate_time | Update_time | Check_time | Collation | Checksum | +-----------+--------+---------+------------+------+----------------+-------------------------+-------------+------------+-----------------+----------+-| test_info | InnoDB | 10 | Compact | 10 | 1638 | 17-12-05 19:01:55 | NULL | NULL | utf8_general_ci | NULL | +-----------+--------+---------+------------+------+----------------+-------------------------+-------------+------------+-----------------+----------+-1 row in set (0.00 sec)
5、查看表中所有列的字符集
语法：show full columns from 表名;
mysql> show full columns from test_info;+-------+----------+-----------------+------+-----+---------+-------+---------------------------------+---------+| Field | Type | Collation | Null | Key | Default | Extra | Privileges | Comment |+-------+----------+-----------------+------+-----+---------+-------+---------------------------------+---------+| id | int(3) | NULL | NO | PRI | NULL | | select,insert,update,references | || name | char(12) | utf8_general_ci | YES | | NULL | | select,insert,update,references | || dorm | char(10) | utf8_general_ci | YES | | NULL | | select,insert,update,references | || addr | char(12) | utf8_general_ci | YES | | 未知 | | select,insert,update,references | || score | int(3) | NULL | YES | | NULL | | select,insert,update,references | |+-------+----------+-----------------+------+-----+---------+-------+---------------------------------+---------+5 rows in set (0.00 sec)
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