You can view the data source type for the reports.
Navigate to the report and select the Data Sources tab to view the data source name and connection type information. Select the “Shows As” drop down menu, “Data Sources” and “Connections” options will be displayed. By default, Data Sources will be selected and it shows the connection between the TFN Registry's RHDB table and the Reporting server. You can select the Connections from the drop down menu to view this connection.
Disclaimer: Any images in this article are intended to be used as a guide for educational purposes only and they may differ slightly from the Production Environment.