基于数据仓库的经济活动分析决策支持系统

Decision support system of economic active analysis based on data warehouse

介绍了供电企业经济活动分析的内容及其决策支持系统的重要性。数据仓库的特点是面向主题的、集成的、不可修改的和随时间不断变化的,适合决策分析,据此提出了基于数据仓库的供电企业经济活动分析决策支持系统框架。文中以售电分析为例,面向主题组织数据,建立了售电分析信息模型、逻辑星型图、数据存储结构图等数据仓库的多维数据模型。

The economic active analysis of electricity supply enterprise and the importance of decision support system are introduced.The characteristic of data warehouse is subject-oriented,integrated,time-dependent and unchangeable,which is suitable for decisive analysis.The frame of decision support system for economic active analysis of electricity supply enterprise is put forward,which is based on data warehouse technology.With the electricity-sale analysis as an example,the subject -oriented multi -dimensional database model is established,including information model,star-type logic diagram and data-storage chart.