mysql服务端编码设置_MySQL

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bitsCN.com 安装完mysql,启动后发现服务器默认使用的是lat1编码.

具体操作和查看过程如下:

启动方式: /etc/init.d/mysql.server start

效果:

Database changed
mysql> status
--------------
mysql Ver 14.12 Distrib 5.0.77, for redhat-linux-gnu (x86_) using readline 5.1

Connection id: 8
Current database: demodb
Current user: root@localhost
SSL: Not in use
Current pager: stdout
Using outfile: ''
Using delimiter: ;
Server version: 5.5.21 MySQL Community Server (GPL)
Protocol version: 10
Connection: Localhost via UNIX socket
Server characterset: latin1
Db characterset: utf8
Client characterset: latin1
Conn. characterset: latin1
UNIX socket: /var/lib/mysql/mysql.sock
Uptime: 33 sec

Threads: 7 Questions: 137 Slow queries: 0 Opens: 83 Flush tables: 1 Open tables: 76 Queries per second avg: 4.151
--------------

mysql>

启动方式: /etc/init.d/mysql.server start --character-set-server=utf8

效果:
mysql> use demodb;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed
mysql> status;
--------------
mysql Ver 14.12 Distrib 5.0.77, for redhat-linux-gnu (x86_) using readline 5.1

Connection id: 4
Current database: demodb
Current user: root@localhost
SSL: Not in use
Current pager: stdout
Using outfile: ''
Using delimiter: ;
Server version: 5.5.21 MySQL Community Server (GPL)
Protocol version: 10
Connection: Localhost via UNIX socket
Server characterset: utf8
Db characterset: utf8
Client characterset: latin1
Conn. characterset: latin1
UNIX socket: /var/lib/mysql/mysql.sock
Uptime: 1 min 15 sec

Threads: 4 Questions: 131 Slow queries: 0 Opens: 84 Flush tables: 1 Open tables: 77 Queries per second avg: 1.746
--------------

mysql>

这种方式,在每次启动的时候都需要指定编码参数.否则服务器就使用的是系统默认的lat1编码.

另外一种方法是:

mysql>set character_set_server=utf8;

这种方法我也试了,不行,再重新登录客户端后,就又恢复了原来的编码.理由很简单,系统启动的时候用的不是utf8编码.

一劳永逸的办法,就是通过修改配置文件实现.

# vim /etc/my.cnf

内容如下:
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
user=mysql

#添加下面的红字内容
character-set-server=utf8

# Default to using old password format for compatibility with mysql 3.x
# clients (those using the mysqlclient10 compatibility package).
old_passwords=1

[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid

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