Old School: Why Columnar Stores Are Hot Again

Column-based data tabulation is not new. Technologies as old as the Abacus and so on have given us this capability for at least a thousand years. Numbers in a column are

easily added. Columns of numbers that are related by a common key element may be easily shared between scientists for collaborative computation, an early form of parallel processing ..

But what is it so important? At a financial conference in New York last year I had the pleasure of attending a session given by Database legend Michael Stonebreaker. At the end of a fairly broad explanation of Data Science basics and an over view of statistical analysis, Stonbreaker concluded triumphantly " May the best columnar store win! This got me thinking..

Tabular Computing

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What Questions Are Relational Databases Good at Answering?

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Facts, States and Declarative Causality.

Columnar Computing

How Often? Why? Will It Happen Again

Aspects, Facets and Exploring Causality