开启MySQL服务
sudo /usr/local/mysql/support-files/mysql.server start
关闭MySQL服务
udo /usr/local/mysql/support-files/mysql.server stop
重启MySQL服务
sudo /usr/local/mysql/support-files/mysql.server restart
进入数据库：
mysql -u root -p（前面会有地址，比如：/usr/local/mysql/bin）
输入root密码。即可进入运行