Different types of data sources in SSRS?

SSRS use different data source. Some of them are listed below.

1. Microsoft SQL Server
2. Microsoft SQL Azure
3. Microsoft SharePoint List
4. SQL Server Analysis Service
5. Microsoft SQL Server Parallel Data Warehouse
6. OLEDB
7. Oracle
8. ODBC
9. Report Server Model
10. SAP Netweaver BI
11. Hyperion Essbase
12. Teradata
13. XML

For More info http://msdn.microsoft.com/en-us/library/ms156450.aspx