[MySQL] Stop MySQL service by GUI in MacOS

1) Stop MySQL service:

1.1) Go to "System Preferences", and click "MySQL"

1.2) Select your mysql service, and click "Stop MySQL Server"

1.3) type your password.

Reference: 

https://gist.github.com/zubaer-ahammed/c81c9a0e37adc1cb9a6cdc61c4190f52