Last time I introduced the trademarked “Seven Ds of the Database Lifecycle,” which is the methodology that I’ve developed and which I use when I’m engaged in database projects. Throughout 2007 and 2008 I’ve coached you on implementation techniques for the data warehouse. This means we’ve covered the basics of Step 3, Develop. Now it’s time to go back to the beginning, to Step 1, Discover, and look at some techniques that you can use during the discovery phase.

A d...