What is Big Data and what are its salient characteristics? How is Big Data different from data structured in a relational database?

You should summarize your research in a 2,000 word essay (1950-2050 words accepted, not including headers and footers) in which you describe:1) What is Big Data and what are its salient characteristics?2) How is Big Data different from data structured in a relational database? 3) What are the potential benefits of Big Data in a business setting? 4) What are the main criticisms of Big Data in a business setting? 5) What are some real-world examples of Big Data use in a business setting? 6) How can Big Data be used by accountants?