Transaction clash management in a disconnectable computer and network
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United States of America Patent
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-
Mar 2, 1999
Grant Date -
N/A
app pub date -
May 27, 1997
filing date -
Jul 18, 1996
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and apparatus are disclosed for detecting and handling clashes that may occur when transactions performed on disconnected replicas of a database are merged after the computers carrying the replicas are reconnected. A variety of clashes are addressed, including those which arise from inconsistent add, remove, move, and modify operations. Transient clashes that would resolve themselves without significant intervention are distinguished from persistent clashes. Log patching, regression, key modification, duplication, and a variety of other tools for handling the clashes are described.
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