Mysql 默认字符集设置方法（免安装版）
有些时候我们在使用非安装版的mysql是需要设置默认字符集的时候，就需要这样的修改了。安装版的可以选择的。
以mysql-noinstall-5.0.22-win32为例，解压缩后会看到mysql-5.0.22-win32文件夹下面，有五个ini格式的文件，把my-medium.ini文件拷贝一份，改名为my.ini，打开my.ini文件，在[client]、[mysqld]下面加上default-character-set=gb2312，其含义就是把gb2312设置为数据库的默认字符集。设置完毕后需要重新启动myqsl服务。同理，可以把其他字符集设置成默认字符集。
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