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    • 10. 发明授权
    • Attribute-based access for multi-dimensional databases
    • 多维数据库的基于属性的访问
    • US5940818A
    • 1999-08-17
    • US885410
    • 1997-06-30
    • William Earl MalloyCraig Reginald Tomlyn
    • William Earl MalloyCraig Reginald Tomlyn
    • G06F17/30
    • G06F17/30592Y10S707/99932Y10S707/99933
    • A method, apparatus, and article of manufacture for using a relational database management system to support on-line analytical processing (OLAP) systems. A multi-dimensional database is represented as a relational schema in the relational database. The multi-dimensional database has one or more dimensions having one or more members. Each value in the multi-dimensional database is identified by the intersection of one member from each dimension. The relational schema includes a fact table and related dimension tables. The fact table has a dimension column for all but one of the dimensions of the multi-dimensional database and a value column for each member of the remaining dimension. The fact table has at least one row that contains the values corresponding to the intersection of the members identified by the dimension columns and the members associated with the value columns. Each dimension table has a row for each member of a dimension. At least one dimension table has one or more attribute columns for holding attribute values for members defined by the dimension table.
    • 一种使用关系数据库管理系统来支持在线分析处理(OLAP)系统的方法,装置和制品。 多维数据库在关系数据库中表示为关系模式。 多维数据库具有具有一个或多个成员的一个或多个维度。 多维数据库中的每个值由一个成员从每个维度的交集来标识。 关系模式包括事实表和相关维度表。 事实表具有除多维数据库的所有维度以外的所有维的维度列和剩余维度的每个成员的值列。 事实表至少包含一行,其中包含与维列相关联的成员与与值列相关联的成员的交集相对应的值。 每个维度表都有一个维度的每个成员的行。 至少一个维度表具有一个或多个属性列,用于保存由维度表定义的成员的属性值。