System and method for returning results of a query from one or more slave nodes to one or more master nodes of a database system
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United States of America Patent
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Sep 14, 2010
Grant Date -
N/A
app pub date -
Jun 11, 2004
filing date -
Jun 11, 2004
priority date (Note) -
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Abstract
A database system for processing a query request comprises a master node that communicates a request to perform one or more activities associated with a precompiled query over at least one communication channel. A plurality of slave nodes are coupled to the master node. At least a particular one of the slave node receives the request communicated by the master node, performs at least a portion of the one or more activities associated with the request to obtain one or more results for the request, communicates a request-to-send message to the master node indicating that the one or more results are available for communication to the master node, and communicates at least a portion of the one or more results to the master node in response to receiving a permission-to-send message from the master node.
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