eBook SQL and Relational Theory: How to Write Accurate SQL Code written by C. J. Date of O’Reilly Media, Incorporated is available for free download from Rapidshare, Hotfile, FileSonic, FileShare, Depositfiles. SQL is full of difficulties and traps for the unwary. You can avoid them if you understand relational theory, but only if you know how to put the theory into practice. In this insightful... 

eBook Programming Reactive Extensions and LINQ written by Jesse Liberty, Paul Betts of Apress is available for free download from Rapidshare, Hotfile, FileSonic, FileShare, Depositfiles. Pro Reactive Extensions and LINQ is a deep dive into the next important technology for .NET developers: Reactive Extensions. This in-depth tutorial goes beyond what is available anywhere else to teach how...