What is big data?

Data is the important constituent in an organization's analytics; each characteristic of an organization's information is maintained in a field that is ubiquitous and aids in capturing, reviewing, transforming, and combining the facts that make business analytical problems. Audit information, in an organization, builds up over time and helps in business forecasting and planning; it is essential in this competitive world. Such information captured across organizations grows rapidly. It becomes difficult for organizations to maintain it in a relational database. With the advent of mobile-based applications and social media networking services, especially in the field of banking and the e-commerce domain, the ability to process data at lightening speed causes it to be both unstructured (data in no format related to RDBMS storage, such as text and multimedia) and semi-structured (data where the format is partly related to RDBMS storage such as CSV, XML, and JSON); this is termed...