Cary Jensen is President of Jensen Data Systems, Inc., a Houston-based company that provides database developers for application development and support. He is an award winning, best-selling author of 154 books, including Delphi in Depth, and Programming Paradox 5 for Windows. Cary is also Contributing Editor of Delphi Informant Magazine, where his column, DBNavigator, appears monthly. Over the years he has published more than 150 articles in a wide variety of computer magazines, and has written training material for numerous software training courses. For the past several years he has been an advisory board member for the annual, international Borland Conference, and is one of the world's leading speakers on the software seminar and conference circuit.