yum升级mysql

已安装mysql升级

升级mysql到5.6：
下载源
wget http://repo.mysql.com/mysql-community-release-el6-5.noarch.rpm
安装源：
rpm -ivh mysql-community-release-el6-5.noarch.rpm
service mysqld stop
yum update mysql-server.x86_64
service mysqld start

未安装msyql，yum安装5.6版本

rpm -ivh http://repo.mysql.com/mysql-community-release-el6-5.noarch.rpm

yum install -y mysql-server mysql-client

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http://repo.mysql.com/，去网站该目录下寻找对应的源

centos7 mysql源地址    http://repo.mysql.com/mysql-community-release-el7.rpm

参考：http://www.cnblogs.com/XBlack/p/5178758.html