Aggregate join index for relational databases
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United States of America Patent
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Jan 7, 2003
Grant Date -
N/A
app pub date -
Jun 15, 2000
filing date -
Jun 15, 2000
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Abstract
The retrieval of data from a database in a computerized database management system is optimized through the use of an aggregate join index. The aggregate join index combines one or more commonly-used columns of the base tables with the results from one or more aggregation expressions pre-computed from one or more columns of the tables.
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