Your "publish profile" file contains information for publishing your site, including your FTP and SQL details.
From the Dashboard area of your WAP control panel, download your publish profile and open this file with a text editor:
In this text file you will find a section 'SQLServerDBConnectionString' which contains your full connection string.
This could change but currently the SQL Server is: CSITESSQL
Use the above server name to connect to your database within our environment. If you are accessing your database remotely over a VPN connection you would need to use the FQDN 'CSITESSQL.appliedi.net'