Database analysis using clusters
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United States of America Patent
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Apr 17, 2012
Grant Date -
Oct 28, 2010
app pub date -
May 8, 2009
filing date -
Apr 24, 2009
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Abstract
A method for mapping relationships in a database results in a cluster graph. A representative sample of records in each of a plurality of tables in the database is analyzed for nearest neighbor join edges instantiated by the record. Records with corresponding nearest neighbor join edges are grouped into clusters. Cluster pairs which share a join relationship between two tables are identified. A weighting may be applied to cluster pairs based on the number of records for the cluster pair. Meaningful cluster pairs above a weighted threshold may be ordered according to table and displayed as a cluster graph. Analyses of the cluster graph may reveal important characteristics of the database.
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