How to connect to ClearDB from Sequel Pro on Heroku
1. Check Heroku's CLEARDB_DATABASE_URL
`Execute command`
$ heroku config --app app name
: point_down: CLEARDB_DATABASE_URL information is displayed
CLEARDB_DATABASE_URL: mysql://username:password@host/Database?reconnect=true
### 2. Enter the displayed CLEARDB_DATABASE_URL information separately.
Select standard connection mode
that's all