Completely Install and Uninstall mysql on mac

To uninstall MySQL and completely remove it (including all databases) from your Mac do the following:

• Open a terminal window

• Use mysqldump to backup your databases to text files!

• Stop the database server

• 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*

To install mysql on your mac do the follwowing things:

• brew doctor

• brew install mysql

• unset TMPDIR

• mysql_install_db --verbose --user=`whoami` --basedir="$(brew --prefix mysql)" --datadir=/usr/local/var/mysql --tmpdir=/tmp

• mysql.server start

• /usr/local/Cellar/mysql/5.5.10/bin/mysql_secure_installation

• mysql -h localhost -u root

• mysql>CREATE DATABASE db_name;