There are conflicting views on what volume constitutes 'Big Data', but one certain qualifier is the IBM Very Large Database project that was ratified as the largest data warehouse in the world by Guinness World Records last July.
It contains three petabytes of data (one million gigabytes) or about 175,000 HD movies. In database terms, that is over seven trillion transactional rows, about 1,000 for every person on the planet. It is based on IBM's...
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