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  • Michael Ratajczyk thinks this is interesting:

Here is an example of a BI tools usage “wagging the dog,” if you will. One customer recently reexamining their data warehouse and BI platform selection was spending in excess of €6,000,000 per year on file extractions from a mainframe to a distributed environment. This data was already stored in a relational database on the mainframe but was now being cloned to get it to a different environment. The data was fed into a relational database from operational systems (verified and cleaned along the way); then they turned around and extracted data out of the database to feed to this BI tool. Why? Because the tool worked better with its own proprietary format.

They had set a course of BI on distributed...