As you are managing your BI/DW project, you draw upon your past experience as a project manager. But to your dismay, you find that in spite of your experience, your BI/DW project is unusually difficult to manage. The requirements appear to be a "moving target." Communication between staff members takes too long. Assigning tasks in a traditional way seems to result in too much rework. Using a traditional methodology does not work. In this course, you will learn about spiral methodologies and “extreme scoping,” a development method based on software releases.