PARALLEL PROCESSING DATABASE SYSTEM
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United States of America Patent
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Sep 25, 2017
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Feb 25, 2013
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Abstract
A method and system for executing database queries in parallel using a shared metadata store. The metadata store may reside on a master node, where the master node is the root node in a tree. The master node may distribute query plans and query metadata to other nodes in the cluster. These additional nodes may request additional metadata from each other or the master nodes as necessary.
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