时态数据仓库的设计与实现

Design of Temporal Data Warehouse and Its Implementatio

  • 摘要: 数据仓库多维模式的变化会影响OLAP查询结果的正确性,因此有必要对多维模式的历史变化进行维护。文章给出了时态数据仓库多维模型的一种形式定义,并在此定义的基础上,设计并实现了具有时态特性的煤矿企业产量数据仓库。

     

    Abstract: The change of multidimensional mode of data warehouse will influence correctness of the OLAP query result,so it is necessary to maintain the historic change of multidimensional mode.The paper proposed a formal definition of multidimensional model of temporal data warehouse and then designed and implementated a data warehouse with temporal characteristics for coal industry based on this definition.

     

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