Parallel, distributed optimistic concurrency control certification using hardware filtering
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United States of America Patent
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Nov 16, 1993
Grant Date -
N/A
app pub date -
Dec 20, 1990
filing date -
Dec 20, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and system for determining a conflict in a database transaction processing system between a specific transaction and one or more other transactions utilizes a certification system (30). The certification system (30) comprises a memory (32) which contains a log of database activity. The log is periodically broadcast over a channel (42) to a plurality of filters (43) which determine if there are conflicts between particular transactions. The inventive system and method perform optimistic concurrency control in a database transaction processing system in a highly efficient manner.
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