Microsoft SQL Server 2008 R2 is a complete set of enterprise-ready technologies and tools that help people derive the most value from information at the lowest total-cost-of-ownership. Enjoy high levels of performance, availability, and security; employ more productive management and development tools; and deliver pervasive insight with self-service business intelligence.
The .NET Framework is Microsoft's platform for building applications that have visually stunning user experiences, seamless and secure communication, and the ability to model a range of business processes.
By providing you with a comprehensive and consistent programming model and a common set of APIs, the .NET Framework helps you to build applications that work the way you want, in the programming language you prefer, across software, services, and devices.