Big Data: Broadly data that is
difficult to collect, store or process within the conventional systems is
termed as big data. Big data is used to describe data that is high volume, high velocity, and high variety. It requires new technologies and techniques to
capture, store, and analyze aiming to enhance decision making, provide insight
and discovery.
Volume refers to the amount of data expressed in terabytes and,
petabytes of data. Variety refers to the number of types of data that includes
unstructured data in the form of text, video, audio, click streams, 3D data and
log files. Velocity on the other hand refers to the speed of data processing data streams from mobile devices, click streams, high-frequency stock trading,
and machine-to-machine processes is massive and continuously fast moving.
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