摘要
数据仓库具有面向主题、集成、非易失、时变的特点,能提取面向决策支持 的数据,并对这些数据进行合理的存储组织以便管理层人员使用.应用于商业系统,能使管 理层人员从一个全新的角度认识信息系统的有用性,从而更广泛地了解市场需求,及时 制定正确的营销策略.针对商业系统中公司管理者对日常事务大量数据的管理和分析处理的 潜在需求,通过确认用户要求和项目范围,设计和开发了商业连锁店数据仓库的体系结构. 该数据仓库开发设计的技术关键是 采用1个Sales“事实表”和4个Time,Good,Branch,Location“维表”的星 型模式设计方法创建数据模型.
Data warehouse has the advantages of subject orientation, integration, non volatility and time variant, extracts data of facing decision support, stores a nd organizes them reasonably in order to be used by administrators. Administra tors can recognize information system's utility at a new angle, understand the market 's requirement and reach correct sale tactics in good time. In view of adminis trator's requirement for managing and analyzing a lot of daily transaction da ta, the stores data warehouse's architecture is given, by confirming user' s req uirement and the range of item. The key of data model is created by employing star schema, namely, a sales “fact list” an d four Time, Good, Branch, Location“dimension list” design method.
出处
《郑州轻工业学院学报》
2000年第3期48-50,共3页
Journal of Zhengzhou Institute of Light Industry(Natural Science)
关键词
元数据
数据模型
数据仓库
体系结构
商业系统
data meta
data model
stores
data warehouse
architecture
star schema