PREFACE

Recently I attended a technical conference hosted by a leading big data vendor. I found myself speaking with an exhibitor about his startup company’s NoSQL product. Now folks, I love all forms of data systems; they all have their place. Key-value pairs, dynamic schemas—they all have a use. But this particular vendor boldly declared that the relational database was useless and “SQL is dead.” He described how his system could harvest text-based comments and infer sentiment across millions of records and support all sorts of clever use cases—all of which, incidentally, is doable with Oracle-driven SQL-based systems. But he was convinced that Oracle’s relational database management system (RDBMS) was irrelevant.

So I asked him, “Let’s say ...

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