Automated detection of null field values and effectively null field values
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United States of America Patent
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Jun 5, 2012
Issued Date -
N/A
app pub date -
Apr 24, 2009
filing date -
Apr 24, 2008
priority date (Note) -
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Abstract
Disclosed are systems for, and methods of, automatically detecting and treating field values of a particular field as null field values in records of a database. The system and method provide automatic treatment of these field values as null field values by calculating a critical frequency for the field. Based on the critical frequency of the field, the system and method treats field values that occur more than the critical frequency of the field as null field values and treats field values that occur less than the critical frequency as non-null field values.
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