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  • mysql命令行修改字符编码

    1、修改数据库字符编码

    mysql> alter database mydb character set utf8 ;

    2、创建数据库时,指定数据库的字符编码

    mysql> create database mydb character set utf8 ;

    3、查看mysql数据库的字符编码

    mysql> show variables like 'character%'; //查询当前mysql数据库的所有属性的字符编码

    +--------------------------+----------------------------+
    | 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数据库的字符编码

    修改字符编码必须要修改mysql的配置文件my.cnf,然后重启才能生效

    通常需要修改my.cnf的如下几个地方:

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

    【mysqld】下面,加上character_set_server = utf8 ;

    因为以上配置,mysql默认是latin1,如果仅仅是通过命令行客户端,mysql重启之后就不起作用了。

    如下是客户端命令行修改方式,不推荐使用

    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/ |
    +--------------------------+----------------------------+
    8 rows in set (0.00 sec)

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  • 原文地址:https://www.cnblogs.com/chcong/p/6197238.html
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