Big Data: Datasets with volumnes so huge that are very difficult to capture, store and analyze. DATA WAREHOUSE: database that stores current and historical data of potential interest to decision makers through out the company. DATAMART: Subset of data warehouse in which summarized or highly focused portion of the organization's data placed in special data based. HADOOP: open source software fromework that allows handle unstructured data in vast quantities. In-memory computing Predictive analysis: uses statics, data mining techniques, historical data and assumptions about future to predict the future. 3 VS FOR BIG DATA: VOLUME, VELOCITY, CARIETY.