Abstract: Big data is the term for a collection of data sets which are large and complex, it contain structured and unstructured both type of data. Data comes from everywhere, sensors used to gather climate information, posts to social media sites, digital pictures and videos etc This data is known as big data. Useful data can be extracted from this big data with the help of data mining. Data mining is a technique for discovering interesting patterns as well as descriptive, understandable models from large scale data. In this paper we overviewed types of big data and challenges in big data for future.

Keywords: Data mining, Big data, interesting patterns, large scale data.