What is big Data?
big data might be petabytes (1,024 terabytes) or exabytes
(1,024 petabytes) of data consisting of billions to trillions of
records of millions of people—all from different sources (e.g. Web,
sales, customer contact center, social media, mobile data and so on).
The data is typically loosely structured data that is often incomplete
and inaccessible.
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