Data Warehousing (DW) - Models and Business Application

Fighting with competition requires innovative ways of achieving the advantages in the market. Creating long-term policy of doing business with the possibility of adjustment to unpredictable phenomena requires an enormous amount of quality information about the condition of the company, market, trends of state policies, international trends, etc. This is a huge amount of different data. In the DW this information is extracted, transformed, at the same time detailed and aggregated, processed in a format that suits the user and is available in real time. The Data Warehouse is a unique picture of business reality and ensures the comprehensiveness of the whole business system; coverage of external and internal data is the basis for defining the business strategy. The DW promotes the business of the company by enriching the business processes and their participants with information needed for making business decisions. It is forced to accurately define and describe the business processes that need to be rejected, imported or innovated. The DW contains rapid, accurate, aggregated, visually accessible information that contains a time dimension, which represents an important managerial resource