Method and apparatus of distributing data in partioned databases operating on a shared-nothing architecture
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United States of America Patent
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Aug 10, 2010
Grant Date -
Jan 21, 2010
app pub date -
Jul 17, 2008
filing date -
Jul 17, 2008
priority date (Note) -
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Abstract
The invention relates to a method and apparatus of distributing data in portioned databases operating on a shared-nothing architecture. The invention provides two independent streams of data, where a first stream sends table data, and the second stream sends LOB data, to a receiving partition. The receiving partition re-couples the LOB data with the table data. Using two independent streams to distribute LOB data can increase data redistribution since large amounts of input/output is not performed to handle the sending of LOB data in a coupled fashion.
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