Place of OLAP Technology in Data Warehouse

Basically, the smooth running of any organization is provided by decisions that are taken in time, decisions that are correct as long as based on data and information on which to base those decisions. Data warehouses are the product of advanced technology and economic environment. On the one hand, the economic environment is increasingly competitive, global and complex and requires information developed for supporting The strategic decisions and on the other hand, developments in information technology provides solutions for efficient management of large volumes of data integrated. Most industry specialists believe that the data warehouse (data marts) and OLAP tools provide the necessary support to transform large volumes of data that companies working in information useful to decision makers.