Rick Greenwald, has been active in the computer industry for more than 25 years. He is currently Director, Oracle Partner Enablement at Oracle where he has worked for more than 10 years. He is also the author or coauthor of more than 15 books, including the best selling Oracle Essentials for O’Reilly & Associates, now in its fourth edition, Beginning Oracle Application Express from Wiley, and Oracle Data Warehousing and Business Intelligence Solutions from Wiley.