I have had the pleasure (or pain, depending on your point of view) of working on several large data warehousing projects over the years and I have found that there are many key ingredients to a successful project. Most of these are well documented by Ralph Kimball and Bill Inmon so I won't reiterate those here. However, as an architect I have come to really value the role of the Business Analyst in these projects. It is a no brainer that the Business Analyst is the go-to person for requirements but...