About the Authors

Rick Greenwald has been active in the computer industry for more than 25 years. He is currently Director of 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; Professional Oracle Programming from Wrox; and Oracle Data Warehousing and Business Intelligence Solutions from Wiley.

Robert (Bob) Stackowiak, vice-president of Business Intelligence and Data Warehousing in the Enterprise Solutions Group at Oracle, has worked for more than 20 years in the IT industry. His roles have included software development, management of software development, systems engineering, sales and sales consulting, and new business innovation and development. Bob has spoken at numerous computer-related conferences and has conducted briefings with companies around the world. He has coauthored several books, including Oracle Essentials: Oracle Database 11g (4th Edition) by O’Reilly and Oracle Data Warehousing and Business Intelligence Solutions by Wiley. In addition, his papers regarding data warehousing and computer and software technology have appeared in publications such as The Data Warehousing Institute’s Journal of Data Warehousing.