System and method for selective database indexing
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United States of America Patent
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Mar 16, 2004
Grant Date -
Jun 27, 2002
app pub date -
Dec 22, 2000
filing date -
Sep 26, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for selectively indexing a database (32) includes selecting a set of fields (156) in the database (32). The selected fields (156) are located in one column (152) of a table (150) in the database (32). The method also includes determining the total time required for reading data from the fields (156) during a selected time period if the fields (156) are indexed and determining the total time required for reading data from the fields (156) during the selected time period if the fields (156) are not indexed. The method further includes determining the total time required for writing data to the fields (156) during the selected time period if the fields (156) are indexed and determining the total time required for writing data to the fields (156) during the selected time period if the fields (156) are not indexed. In addition, the method includes evaluating the total times required for reading and writing data to the fields to determine whether the fields (156) should be indexed.
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