Question: There seems to be a common perception that multidimensional databases (MDDBs) are hindered by poor scalability. What is your opinion of this assertion today?
Evan Levy's Answer: As time has progressed, there have been significant improvements to every type of technology from flat file storage to multidimensional databases (MDDBs) to relational database technology. The current crop of MDDB vendors have invested heavily in improving the scalability (and functionality) of their products. The vendors have leveraged a number of newer methods and techniques to address data sparcity, storage efficiency and storage management to handle some of the more well- known problems. I've actually seen circumstances where an individual vendor has constructed a single MDDB supporting more than a terabyte!
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