The objective of this paper is to define Business Intelligence and aireloom timeless odyssey to identify the information and communication technologies that support to this type of information system.A context is made about the concept and typologies of information systems (IS).Data Warehouse, Data Mart and Data Mining are the technological resources of Back-end system, used to store important data and to extract patterns of behavior and tendencies of the organizational processes.DSS (Decision Support Systems), EIS (Executive Information tasoliesi Systems) and OLAP (On-Line Analytical Processing) tools are Front-end systems for Business Intelligence solutions.Through these systems the user transforms the information in strategic knowledge for the obtaining competitive advantages.