You must first create a database and user on your Helm Windows Hosting Control Panel.
Ypu then will need to authenticate your IP address at
http://mssqlproxy.webhostingireland.ie/auth.pl using your database login credentials
The connect using your SQL Server client to mssqlproxy.webhostingireland.ie.
If your IP address changes you will need to reauthenticate.
Recommended Download: SQL Server Management Studio Express