Microsoft SQL Server Compact (64-Bit) 4.0 (Windows)

Microsoft SQL Server Compact (64-Bit) an, embedded database that software developers can use for building ASP.NET websites and Windows desktop applications. Microsoft SQL Server Compact (64-Bit) has a small footprint and supports private deployment of its binaries within the application folder, easy application development in Visual Studio and WebMatrix, and seamless migration of schema and data to SQL Server. It is used with ADO.NET Entity Framework; SQL Server Compact now supports the columns that have server generated keys like identity, rowguid, and the code-first programming model.