METHOD AND APPARATUS FOR LOGICALLY RECONSTRUCTING INCOMPLETE RECORDS IN A DATABASE USING A TRANSACTION LOG
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United States of America Patent
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N/A
Issued Date -
Aug 8, 2002
app pub date -
Feb 23, 1999
filing date -
Mar 31, 1998
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention reconstructs and illustrates incomplete change records by initially selecting an initial change record. The initial change record describes a change made to a target data object located at a target location in an electronic database. Next, a transaction log associated with the electronic database is searched for change records which modify the target data object. Eventually, a particular change record is located which contains a complete copy of the data object. Finally, the change records are applied to the complete copy of the data object, thereby bringing the complete copy of the target data object to a state as it existed before the change described by the initial change record was made to the target data object.
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