| Soon developing to bring up the technique of new need, Data Warehouse to emerge with the tide of the times with business enterprise field continuously along with the flying of calculator technique. Tradition that database technique that data is a single data resources, namely the database is a center, and proceed to be engaged in the business handling, criticize handling, the decision and analyze and so on. The technique of Data Warehouse consumedly pushed the calculated application that apply that development that quick development, especially the OLAP (On-Line Analytical Processing) technique is used more for the data warehouse to expand the vast world.This paper tells the basic concept, characteristic and the system construction of the Data Warehouse, and the Data Marts the municipal's definition with appliedcharacteristics.This paper also tells that combination the brief described business of Post office in HeiLongJiang to build the technique of Data Warehouse system. |
