Data Warehouse becomes just gradually major increase point of database market and a technique hot spot which second only to Internet in the advanced country from now on. Data Warehouse and OnLine Analytical Precessing (OLAP) have provided technique support for the synthetical Policy decision support system. This paper has expounded the definition of Data Warehouse, feature and system structure and its development direction, and has inquired into the library Data Warehouse s exploitation steps, and the system structure of the synthetical library policy decision support system based on Data Warehouse.
Received: 10 August 1999
Published: 25 February 2000