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 Oracle BI Publisher 11g: A Practical Guide to Enterprise Reporting written by Daniela Bozdoc of Packt Publishing is available for free download from Rapidshare, Hotfile, FileSonic, FileShare, Depositfiles. Create and deliver improved snapshots in time of your Enterprise data using Oracle BI Publisher 11g with this hands-on book and eBook guide A practical tutorial for improving your Enterprise...