Are you interested in learning more about SQL Server 2014 In-Memory OLTP (project codenamed Hekaton)? Please review this Internals Overview with some excellent details around the new technology with SQL Server 2014:
http://download.microsoft.com/download/F/5/0/F5096A71-3C31-4E9F-864E-A6D097A64805/SQL_Server_Hekaton_CTP1_White_Paper.pdf
Enjoy and let us know if you have other questions/comments etc... on the content or In-Memory OLTP in general with SQL Server 2014!
Thanks,
Mike