DISTRIBUTED DATABASE SYSTEM
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United States of America Patent
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Issued Date -
Jun 18, 2015
app pub date -
Aug 23, 2012
filing date -
Aug 23, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Data of a distributed, compressed and restored index (D-CRX) related to a correspondence relation between a key value related to a registration request and NID, and data of a distributed and compressed result set cache (D-CRS) related to a correspondence relation between a distributed row identifier (RID) taking a unique value every column in a table constituting a distributed database and the NID are distributed and stored in each of slave nodes 15, 17 and 19. When the data of the D-CRX is to be distributed and stored in each of the slave nodes 15, 17 and 19, the same slave node as the slave node determined as a storage location for the data of the D-CRS is determined as a storage location of the data of the D-CRX in relation to the data of the D-CRX to which the same NID as the NID indicated by the data of the D-CRS is assigned.
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