Relational emulation of a multi-dimensional database index
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United States of America Patent
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Sep 19, 2000
Issued Date -
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app pub date -
May 13, 1999
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 defined having a set of multi-dimensional data blocks and a set of identifiers comprising selected dimensions of multi-dimensional data for identifying particular ones of the multi-dimensional data blocks. The set of identifiers provides an ordering of the multi-dimensional data blocks using multi-dimensional member identifiers and holds usage information and age information about the multi-dimensional data blocks. The data in the set of multi-dimensional data blocks is stored in a relational database that represents the multi-dimensional database. Then, a set of rows representing a multi-dimensional data block is accessed from the relational database. CROSS-REFERENCE TO RELATED APPLICATIONS
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