Relational database implementation of a multi-dimensional database
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United States of America Patent
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Jul 20, 1999
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app pub date -
Jun 30, 1997
filing date -
Jun 30, 1997
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Abstract
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. Each dimension has one or more members. The relational schema includes a fact table and one or more related dimension tables. Additionally, 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 also has at least one row that contains values corresponding to the intersection of the members identified by the dimension columns and the members associated with the value columns.
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