Global uniqueness checking in distributed databases
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United States of America Patent
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Jan 24, 2023
Grant Date -
Oct 29, 2020
app pub date -
Jul 13, 2020
filing date -
Mar 15, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A distributed database processing system for a database composed of data records organized into tables which processes unique index atoms consistently and concurrently. Each attempt to insert a new key value into such a unique index atom in any given node is routed to a unique index atom chairman for processing. The chairman determines whether the request will be granted. If the request is not granted, the requesting unique index atom continues to try to submit the insert. If the request is granted, the requesting unique index atom modifies the content thereof and broadcasts a replicated given unique index atom all other nodes that contain the replicated unique index atom.
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