Benjamin Rosenzweig is a Senior Project Manager at Misys Financial Software, where he has worked since 2002. Prior to that he was a principal consultant for more than three years at Oracle Corporation in the Custom Development Department. His computer experience ranges from creating an electronic Tibetan—English Dictionary in Kathmandu, Nepal, to supporting presentation centers at Goldman Sachs and managing a trading system at TIAA-CREF. Benjamin has been an instructor at the Columbia University Computer Technology and Application program in New York City since 1998. In 2002 he was awarded the “Outstanding Teaching Award” from the Chair and Director of the CTA program. He holds a B.A. from Reed College and a certificate in database development and design from Columbia University. His previous books with Prentice Hall are Oracle Forms Developer: The Complete Video Course (2000), and Oracle Web Application Programming for PL/SQL Developers (2003).   Elena Rakhimov has more than twenty years of experience in database architecture and development in a wide spectrum of enterprise and business environments ranging from non-profit organizations to Wall Street to her current position with a prominent software company where she heads up the database team. Her determination to stay “hands-on” notwithstanding, Elena managed to excel in the academic arena having taught relational database programming at Columbia University’s highly esteemed Computer Technology and Applications program. She was educated in database analysis and design at Columbia University and in applied mathematics at Baku State University in Azerbaijan. She currently resides in Vancouver, Canada.