SYNCHRONIZATION OF DISPARATE DATABASES
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United States of America Patent
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N/A
Issued Date -
Aug 16, 2001
app pub date -
Jan 29, 1999
filing date -
Jan 11, 1995
priority date (Note) -
Abandoned
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Abstract
A data processing method for synchronizing the data records of a plurality of disparate databases, in which a status file is provided containing data records representative of the contents of data records existing in the disparate databases at a prior synchronization. Data records from at least a first and a second of the plurality of databases are compared to corresponding data records of the status file to determine whether data records of the plurality of databases have changed or been deleted since the prior synchronization, or whether there are new data records since the earlier synchronization. Based on the outcome of the comparing step, decisions are made as to how to update the data records of the first and second databases. Finally, the status file is updated so that its data records are representative of the contents of the data records of the first and second databases after they have been updated.
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