This presentation will produce an actual, completed, OLAP-ready datamart, with a working BI application. It will include the new OWB API and new OLAP migration wizards, with a step-by-step guide addressing implementation and design issues as well as how to use OLAP Service, JDeveloper 9i, and BI Beans to develop simple and complex applications. Tips on the development of a commercial BI Application built using JDeveloper 9i and BI Beans will also be presented.