Since the early 1970s, the relational data modeling structure dominated the way in which data is modeled. Business empires like Oracle, Informix, and MySQL have been built on the relational model. Its pervasiveness causes us to think of data in terms of tables, primary keys, joins and how to write the best SQL queries. But, the relational model is not the only way in which to model data. With the volume, variety, and velocity of data produced by Twitter, Facebook, Snapchat, and the like . . .
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