Big data is the big amount of data in simple word. As one of the most “hyped” terms in the market today, there is no consensus as to how to define big data. The term is often used synonymously with related concepts such as Business Intelligence ( BI) and data mining. It is true that all three terms are about analyzing data and in many cases advanced analytics. But big data concept is different from the two others when data volumes, number of transactions and the number of data sources are so big and complex that they require special methods and technologies in order to draw insight out of data (for instance, traditional data warehouse solutions may fall short when dealing with big data). This also forms the basis for the most used definition of big data, the three V: Volume, Velocity, and Variety. Volume: Large amounts of data, from datasets with sizes of terabytes to zettabyte. Velocity: Large amounts of data from transactions with high refresh rate resu...
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