Remedial Math: Understanding TCO and ROI

During my recent travels there were a lot of comments around either the cost of a data warehouse or the lack of value being perceived from the data warehouse.  As I dug deeper into the conversations it became clear why all the questions were being asked.  Quite simply, those posing the questions did not really understand how to calculate or compare “Total Cost of Ownership” or “Return On Investment.”  Although they are two separate ideas, they are closely related and I thought we can tackle them in one blog post.  I will let your comments and questions determine if more
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