SQL Server Reporting Services 2012 Projects with Visual Studio 2012 - Learning SQL Server Reporting Services 2012 - page 96

It connects to the AdventureWorks2012 database on the Kailua server. Recall
that the AdventureWorks2012 database was downloaded and attached to the
SQL Server 2012 instance in Chapter 1 , Overview and Installation - SQL Server
Reporting Services 2012 . This is perhaps due to an earlier connection made to
the server. If it is a new connection that you want to establish, then you need
to click on the New Connection... button and follow up the wizard to connect
to Kailua and then to Adventureworks2012 :

8. Click on Next . The Save the Connection string to the application

Configuration File window will be displayed. Accept the default
check mark to save as suggested.
The connection string gets a name.

9. Click on Next .