Data Warehouse is a data management system of analyzing, exploiting and Synthesizing data as well as a data assembly Supporting the process of decision, which provides the decisive support for the related sectors by OLAP(On Line Analytical Processing).

• 数据仓库(Data Warehouse)是一个支持决策过程的数据集合，也是分析利用综合数据的数据管理系统，它通过OLAP(On Line Analytical Processing)为有关部门提供决策支持。