>data professionals -- 9ncluding yourself -- do not understand data fundamentals, for which reason they blame "poor performance" on the RDM. I don't blame poo

>data professionals -- 9ncluding yourself -- do not understand data fundamentals, for which reason they blame "poor performance" on the RDM. I don't blame poor performance on the mathematical purity of logical relations between entities. >the article does imply that on rare occasion you may be forced to denormalize You didn't read the article carefully enough. You overlooked how the author seemed to allow for denormalization but he immediately negated the followup dev work as "never justified": " -- and performance is still unsatisfactory. You denormalize and, as Bolenok recognizes, introduce redundancy. [..] - but they would never be justified:"