Linux学习笔记之——ubuntu中mysql修改编码utf8

Linux学习笔记之——ubuntu中mysql修改编码utf8

 

        摘要:使用apt-get 命令安装的mysql默认不是utf8、在这里记录一下如何将编码修改成utf8。

 

一:查看mysql版本

 

        1.1  mysql –V

      

                在终端界面输入上面命令、显示如下:

                mysql  Ver 14.14 Distrib 5.5.35, fordebian-linux-gnu (x86_64) using readline 6.2

 

        1.2  status

      

                a)  登录mysql

                mysql –uroot –ppassword

                b)  输入如下命令:

                status

                #会有如下显示:
                --------------
                mysql  Ver 14.14 Distrib5.5.35, for debian-linux-gnu (x86_64) using readline 6.2
 
                Connection id:          45
                Current database:
                Current user:           root@localhost
                SSL:                    Not inuse
                Current pager:          stdout
                Using outfile:          ''
                Using delimiter:        ;
                Server version:        5.5.35-0ubuntu0.12.04.2 (Ubuntu)
                Protocol version:       10
                Connection:            Localhost via UNIX socket
                Server characterset:    latin1
                Db     characterset:    latin1
                Client characterset:    utf8
                Conn.  characterset:    utf8
                UNIX socket:           /var/run/mysqld/mysqld.sock
                Uptime:                 1 hour15 min 13 sec
 
                Threads: 1  Questions:609  Slow queries: 0  Opens: 421 Flush tables: 1  Open tables:41  Queries per second avg: 0.134
                --------------


        1.3  selectversion();

 

                a)  登录mysql

                mysql –uroot –ppassword

                b)  输入如下命令:

                select version();
                #会有如下显示:
 
                +-------------------------+
                | version()               |
                +-------------------------+
                | 5.5.35-0ubuntu0.12.04.2 |
                +-------------------------+
                1 row in set (0.00 sec)

 

二:查看mysql编码

 

        2.1 登录mysql

 

                a)  输入命令:

                mysql  –uroot  –p

                b)  输入密码:

                password

 

        2.2 查看mysql编码

 

                show variables like '%character%';
                #会有如下显示:
                +--------------------------+----------------------------+
                | Variable_name            | Value                      |
                +--------------------------+----------------------------+
                | character_set_client     | utf8                       |
                | character_set_connection | utf8                       |
                |character_set_database   | latin1                     |
                | character_set_filesystem | binary                     |
                | character_set_results    | utf8                       |
                |character_set_server     | latin1                     |
                | character_set_system     | utf8                       |
                | character_sets_dir       | /usr/share/mysql/charsets/ |
                +--------------------------+----------------------------+
                8 rows in set (0.00 sec)

 

三:修改mysql编码

 

        上面步骤中可以看出红色的部分的编码——latin1

 

        3.1 修改mysql的配置文件——/etc/mysql/my.cnf:

 

                a)  打开mysql配置文件:

                vim/etc/mysql/my.cnf

                b)  在[client]下追加:

                default-character-set=utf8

                c)  在[mysqld]下追加:

                character-set-server=utf8

                d)  在[mysql]下追加:

                default-character-set=utf8

                e)  保存并退出

 

 

        3.2 重启mysql服务

 

                下面两个任何一个都可以:

                servicemysql restart
                /etc/init.d/mysqlrestart

 

        3.3 查看mysql编码是否修改成功

 

                a)  登录mysql

                b)  输入:

                show variables like '%character%';
                #会有如下显示:
                +--------------------------+----------------------------+
                | 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/ |
                +--------------------------+----------------------------+

                则修改成功!


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