Today, Data analytics is a swiftly developing field of science. It includes analyzing huge quantities of data, or big data, with the aim of finding possible patterns and correlations therein, and drawing meaningful insights, based on such analysis, for achieving business advantage. Many large and medium organizations, nowadays, are keeping aside huge funds for investing in the data analytics domain. These organizations are also offering high salaries to the capable candidates in this domain, such as the data analysts, data architects, data scientists, and data engineers; these professionals are particularly in great demand.