【摘要】 该文比较了数据仓库数据库与传统操作型数据库,回顾了“规范的”操作型系统设计,介绍了三种典型的数据模型———实体关系模型、对象模型和维模型(星形模型)。提出了一种基于模型和模型转换的数据仓库设计工程方法。更多还原

【Abstract】 Database of data warehouse and traditional operational database are compared in this paper,then the design of"normative"operational system is reviewed,the introduction of three typical data model-- - Entity-Relationship Model,Object Model and Dimensional Model follows ,A development method of data warehouse based on model and model transformation is proposed.更多还原