The concept and the function of data warehouse (DW),on line analytical processing (OLAP) and data mining (DM) are discussed,and the framework of a decision support system for enterprises which combines the techology of DW,OLAP and DM is suggested.

• 介绍了数据仓库 (DW)、联机分析处理 (OLAP)和数据挖掘 (DM)的概念和功能 ,提出了将DW ,OLAP和DM三种技术相结合的企业决策支持系统结构框架。