Remove and Cleanup MySQL from Mac OS 10.9+

remove_mysql_mac_os.md

sudo rm /usr/local/mysql 
sudo rm -rf /usr/local/mysql* 
sudo rm -rf /Library/StartupItems/MySQLCOM 
sudo rm -rf /Library/PreferencePanes/My* 

Edit /etc/hostconfig and remove the line MYSQLCOM=-YES-

rm -rf ~/Library/PreferencePanes/My* 
sudo rm -rf /Library/Receipts/mysql* 
sudo rm -rf /Library/Receipts/MySQL* 
sudo rm -rf /private/var/db/receipts/*mysql*
sudo rm -rf /var/db/receipts/com.mysql.*

Edit /Library/Receipts/InstallHistory.plist and remove all nodes that include mysql

sudo rm -Rf /var//mysql
rm -Rf /var//mysql/mysql.sock
sudo rm -Rf /var//root/.mysql_history
sudo rm -Rf /usr/local/var/mysql

Then to install using Mac Ports, use: http://www.perfectline.co/blog/2010/01/how-to-install-mysql-on-mac-os-x-snow-leopard/