To manage your databases using phpMyAdmin, login to your control panel and select My Services.
On the product page, click on the View Details button across from the service you wish to manage.
Note: Do not click on the drop down arrow to the right of the button, click on the button itself.
From the Manage Service page, click on the Manage Databases link.
On the Manage Databases page, click on the Manage link with the gear icon across from the database you wish to manage.
You will then be logged into phpMyAdmin for the selected database.