As competition gets tougher and tougher, companies have to implement new management systems to stay efficient. Along business performance monitoring application, executive information systems, business intelligence systems and decision support systems (DSS) help managers to lead their companies...

Data warehouse technology includes a set of concepts and methods that offer the users useful information for decision making. The necessity to build a data warehouse arises from the necessity to improve the quality of information in the organization. The date proceeding from different sources,...