mysql命令行修改字符編碼

1、修改數(shù)據(jù)庫字符編碼mysql> alter database mydb character set utf8 ;

2、創(chuàng)建數(shù)據(jù)庫時(shí)，指定數(shù)據(jù)庫的字符編碼mysql> create database mydb character set utf8 ;

3、查看mysql數(shù)據(jù)庫的字符編碼mysql> show variables like 'character%'; //查詢當(dāng)前mysql數(shù)據(jù)庫的所有屬性的字符編碼+--------------------------+----------------------------+

| Variable_name | Value |

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

| character_set_client | latin1 |

| character_set_connection | latin1 |

| character_set_database | utf8 |

| character_set_filesystem | binary |

| character_set_results | latin1 |

| character_set_server | utf8 |

| character_set_system | utf8 |

| character_sets_dir | /usr/share/mysql/charsets/ |

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

4、修改mysql數(shù)據(jù)庫的字符編碼

修改字符編碼必須要修改mysql的配置文件my.cnf,然后重啟才能生效

通常需要修改my.cnf的如下幾個(gè)地方：

【client】下面，加上default-character-set=utf8，或者character_set_client=utf8

【mysqld】下面，加上character_set_server = utf8 ；

因?yàn)橐陨吓渲?#xff0c;mysql默認(rèn)是latin1，如果僅僅是通過命令行客戶端，mysql重啟之后就不起作用了。

如下是客戶端命令行修改方式，不推薦使用mysql> set character_set_client=utf8 ;

mysql> set character_set_connection=utf8 ;

mysql> set character_set_database=utf8 ;

mysql> set character_set_database=utf8 ;

mysql> set character_set_results=utf8 ;

mysql> set character_set_server=utf8 ;

mysql> set character_set_system=utf8 ;

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/share/mysql/charsets/ |

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

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