The term "big data" refers to the increasing volume, velocity, and variety of data that traditional databases cannot handle. The term "big data" has many definitions, but the most common one is the "three V's" of big data: volume, variety, and velocity.

Streaming data is a type of data that is constantly being updated. When a large number of sources are generating data at the same time in a small amount of time, it's known as streaming data (order of Kilobytes). There are many types of streaming data, including log files generated by customers using your mobile or web applications, ecommerce purchases and in-game player activity as well as information from social networks, financial trading floors and geospatial services.