For bash:
sudo vim .bash_profile
添加：
export PATH=${PATH}:/usr/local/mysql/bin
source .bash_profile
For zsh:
vi ~/.zshrc
添加：
export PATH=${PATH}:/usr/local/mysql/bin
source ~/.zshrc
Mac添加MySQL环境变量
原文：http://www.cnblogs.com/crayygy/p/mac-mysql-path.html
