SQL Server Developer Center: Reporting Services: Reporting: Deliver User-Friendly Reports from Your Application with SQL Server Reporting Services

SQL Server Developer Center: Reporting Services: Reporting: Deliver User-Friendly Reports from Your Application with SQL Server Reporting Services: "Reporting Services is a server-based reporting platform that is built on the .NET Framework and integrated with SQL Server 2000, so you can integrate rich reporting features into your apps using an extensive Web services-based API. Although the report server uses SQL Server as the repository for reports, any data source with an OLE DB, ODBC, or ADO.NET provider can be used to supply data to the reports, making Reporting Services a great choice for reporting in diverse enterprise environments.
Reporting Services is licensed as part of SQL Server 2000, so if you already have a licensed copy of SQL Server, you can run Reporting Services on the same server for no additional license fee. If you decide to run Reporting Services on a separate machine that is not yet licensed for SQL Server, such as a Web server, you will need to purchase an additional SQL Server license."