mysql安装后添加gbk字符集的方法
1、查看当前字符集：
SHOW CHARACTER SET;
2、删除mysql相关目录
rm -rf /usr/local/mysql/* 安装目录
rm -rf /var/lib/mysql/mysql 数据库目录
3、重新编译
./configure --prefix=/usr/local/mysql --sysconfdir=/etc --localstatedir=/var/lib/mysql --with-charset=gbk --with-collation=gbk_chinese_ci --with-extra-charsets=complex
make clean
make
make install
4、安装后工作：
停止mysql服务。
Pkill -9 mysql
cd /var/lib/mysql/
先把master.info和relay有关的日志全部删掉
rm –rf *.bin
rm -rf mysql-bin.*
/usr/local/mysql/bin/mysql_install_db
chown -R mysql /var/lib/mysql
cp /usr/local/src/mysql-5.1.55/support-files/my-medium.cnf /etc/my.cnf
/usr/local/mysql/bin/mysqld_safe &
/usr/local/mysql/bin/mysqladmin -u root -p password '123456' 登录mysql试试：
/usr/local/mysql/bin/mysql -u root -p
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