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B+ tree - Wikipedia, the free encyclopedia
A B+ tree is an n-ary tree with a variable but often large number of children per node. A B+ tree consists of a root, internal nodes and leaves. (Link->http://ift.tt/1xK6Dtf)
A B+ tree can be viewed as a B-tree (Link->http://ift.tt/1xK6Bl6) in which each node contains only keys (not key-value pairs), and to which an additional level is added at the bottom with linked leaves.
The primary value of a B+ tree is in storing data for efficient retrieval in a (Link->http://ift.tt/1xK6Bl8) typically on the order of 100 or more), which reduces the number of I/O operations required to find an element in the tree.
http://ift.tt/1pKh9d3
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A B+ tree is an n-ary tree with a variable but often large number of children per node. A B+ tree consists of a root, internal nodes and leaves. (Link->http://ift.tt/1xK6Dtf)
A B+ tree can be viewed as a B-tree (Link->http://ift.tt/1xK6Bl6) in which each node contains only keys (not key-value pairs), and to which an additional level is added at the bottom with linked leaves.
The primary value of a B+ tree is in storing data for efficient retrieval in a (Link->http://ift.tt/1xK6Bl8) typically on the order of 100 or more), which reduces the number of I/O operations required to find an element in the tree.
http://ift.tt/1pKh9d3
Done
from Public RSS-Feed of Jeffery yuan. Created with the PIXELMECHANICS 'GPlusRSS-Webtool' at http://gplusrss.com http://ift.tt/1HyRXgB
via LifeLong Community
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