Log in to the Azure portal: https://portal.azure.com
Navigate to More Services from the left tile.
In the search input section, type App Services and choose the same.
Select the appropriate App Service from the list. [In this example, it is techsignapp].
Under techsignapp options, navigate to Settings and select.
Under Settings, navigate to MySQL In App and select.
Click on Manage button from the top navigation bar.
That will take the user to PHP MyAdmin page for accessing the databases. And the URL looks like https://AppName.scm.azurewebsites.net/phpMyAdmin/
In this example, the URL is: https://techsignapp.scm.azurewebsites.net/phpMyAdmin/