By Prof. Siva Rama Krishnan, School of Information Technology, VIT
Data have always played a critical role in business. The digital age has brought with it a quantum increase in the amount of data available to the modern organization. Retail giant Wal-Mart feeds more than 1m transactions an hour into databases estimated at more than 2.5 petabytes. Facebook’s 750m users create an average of 90 pieces of content each month. And an average of 294bn e-mails is sent every day.
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