In today's competitive and global economy, organizations must possess a number of skills to create their place and sustain in the market. One of the most crucial of these skills is an understanding of and the ability to utilize and harness the immense potential of information technology. This is truly an information age where data is being generated at an alarming rate. The term big data is related to a large volume of data, however alone large volume data does not fit in the definition of big data. The term data originated in the digital world with reference to recording and storing the information on different kind of storage devices. Data is a form of raw information that can be recorded and stored for further processing in order to extract useful knowledge. Presently, businesses are storing huge amount of information, and these information (or data) is growing rapidly, so it is consuming more and more storage space and becoming harder to manage, thus creating Big Data.