Big data is a legitimate method to analyze large volume of data. Big data converts massive databases into small packages and can prepares a report in a small amount of time. Big data is simply referred to data sets that are too large or complex for traditional data processing application to effectively process them. Many big organizations produce massive amounts of data in various forms and size and Big data assimilates this data and gives effective correlations and patterns. Major corporations use Big data to make important business decision and learn about their customers. Industries like Travel & Hospitality, Health Care, Government, Retail, and e Commerce are excellent departments for using big data technology as they produce massive amounts of data in a very short amount of time.