mac下面mysql連接報錯ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/usr/local/var/mysql/mysql.sock' (2)
brew uninstall mysql@5.7
rm -rf /usr/local/var/mysql
mv /usr/local/etc/my.cnf /usr/local/etc/my.cnf_
brew install mysql@5.7
brew link --force mysql@5.7
brew services start mysql@5.7
