homebrew remove mysql code example
Example 1: brew reinstall mysql
brew uninstall mysql@5.7
rm -rf /usr/local/var/mysql
rm /usr/local/etc/my.cnf
brew install mysql@5.7
brew link
brew services start mysql@5.7
Example 2: mac uninstall mysql completely
ps -ax | grep mysql
kill -9 [process_id]
brew remove mysql
brew cleanup
sudo rm /usr/local/mysql
sudo rm -rf /usr/local/var/mysql
sudo rm -rf /usr/local/mysql*
sudo rm ~/Library/LaunchAgents/homebrew.mxcl.mysql.plist
sudo rm -rf /Library/StartupItems/MySQLCOM
sudo rm -rf /Library/PreferencePanes/My*
launchctl unload -w ~/Library/LaunchAgents/homebrew.mxcl.mysql.plist
subl /etc/hostconfig
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*
Try to run mysql, it shouldn't work
Example 3: brew uninstall mysql
brew remove mysql
brew cleanup
sudo rm /usr/local/mysql
sudo rm -rf /usr/local/var/mysql