The Importance of Data Warehouses in the Development of Computerized Decision Support Solutions. A Comparison between Data Warehouses and Data Marts

Abstract

In the last decade, the amount of data that an organization processes and stores has grown exponentially. In most cases, the data stored is used to support the business process through accurate and up-to-date information about the business environment and activity of the company. In order for a company's managers to be capable of generating the reports they need to make decisions, one needs a computer system able to store complex and very large quantities of data. At the same time, for the development of such an information system, one must take into account the cost of it.

Keywords

• Data Warehouse
• Data Mart
• Top-down
• Bottom-up
• database
• architecture
• management system