Big data is basically vast amount of data which cannot be effectively processed, captured and analyzed by traditional database. Though the “big” in Big Data is subjective, McKinsey estimates that it would anywhere between few dozen terabytes to petabytes for most of the sectors.
Big Data information explosion is mainly due to the vast amounts of data generated by social media platform, data input from Omni-channels, various mobile devices, user generated data, multi-media data and so on. Analysts term this as an expanding “Digital Universe”.