In order to understand 'Big Data', we first need to know what 'data' is. Oxford dictionary defines 'data' as - "The quantities, characters, or symbols on which operations are performed by a computer, which may be stored and transmitted in the form of electrical signals and recorded on magnetic, optical, or mechanical recording media. " So, 'Big Data' is also a data but with a huge size . 'Big Data' is a term used to describe collection of data that is huge in size and yet growing exponentially with time.In short, s uch a data is so large and complex that none of the traditional data management tools are able to store it or process it efficiently. Examples Of 'Big Data' Following are some the examples of 'Big Data'- The New York Stock Exchange generates about one terabyte of new trade data per day. • Social Media Impact Statistic shows that 500+terabytes of new data gets ingested into...