1.Open the Data Source Configuration window by clicking the ellipsis button at the top of the navigation pane.
Open data source menu
2.Click the Add a New data source button.
Add a new data source
3.Select the type of data source to create.
Select your data source type
4.Configure the connection settings. To validate the information, click the Test Server or Test Credentials (depending on the type of data source being creating).
SQL Server - Connection tab
5.Once created, select the new data source by selecting it from the data source drop down list at the top of the navigation pane.
Select your data source