INTERACTIVE DECISION SUPPORT SYSTEM BASED ON ANALYSIS AND SYNTHESIS OF DATA - DATA WAREHOUSE

Systems to assist decision are based on data analysis and synthesis makes merging, categorizing, linking and grouping data to obtain information to highlight positive or negative factors that influence company performance. Getting results in the form of reports are the result of special techniques to explore large amounts of data. These techniques lead to highlight correlations between data, make estimates and forecasts and warnings of the managers of dysfunction. To improve business performance, management should be centered on the client, to understand customer needs, so we considered appropriate approach to data warehouses that an interactive system to assist decisions based on data analysis and synthesis. I presented the concept of data warehouse and basic features, representation of data in the data warehouse, differences between data warehouse and database, and finally to address environment data storage and use of data warehouse and to conclude with a set of conclusions.