Data mining is an interdisciplinary subfield of computer science, is the computational process of discover patterns in large data sets involving methods at the intersection of artificial intelligence, machine learning, statistic and database systems. Big data is a new term used to identify the datasets that due to their large size and complication. Data comes from everywhere, sensors used to gather climate information, post to social media sites, digital pictures and videos etc. this data is known as big data. Big data concern large-volume, difficult, growing data sets with many, independent sources.