Database method for B+ tree based on PRAM
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United States of America Patent
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Sep 27, 2016
Grant Date -
Aug 6, 2015
app pub date -
Dec 13, 2012
filing date -
Aug 10, 2012
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Abstract
A Database method for a B+ tree based on a PRAM. The database method divides each node into two areas, area 1 and area 2. A key value is inserted/retrieved/deleted for the each node. Inserting the key value requires firstly inserting a new key value to area 2 if area 2 in the node is not in a full state. Retrieving the key value requires identifying whether the node is a leaf node. If the node is a leaf node, the key value is retrieved from area 1 and area 2 sequentially. Deleting the key value requires merging area 1 and area 2 in the node, and deleting the key value in the merged node. The method enhances durability and data processing capability.
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