启动MySQL服务
sudo /usr/local/mysql/support-files/mysql.server start
停止MySQL服务
sudo /usr/local/mysql/support-files/mysql.server stop
重启MySQL服务
sudo /usr/local/mysql/support-files/mysql.server restart
在Mac OS X启动和停止MySQL服务的命令
原文：http://www.cnblogs.com/chuangshaogreat/p/7774192.html
