Big data is the term used to describe massive volumes of data, either structured or unstructured, that is so large that it is difficult to process using traditional database and software techniques. Although the term may seem to reference the volume of data, that isn’t always the case. Big Data is often defined as Volume, Variety and Velocity.

  • The term big data, especially when used by vendors, may refer to the technology, including tools and processes that an organization requires to handle the large amounts of data and storage facilities.
  • The term big data is believed to have originated with Search companies who had to query very large distributed aggregations of loosely-structured data.