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- Q285861 subject Q7236453.
- Q285861 subject Q8158554.
- Q285861 subject Q8284769.
- Q285861 abstract "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. The root may be either a leaf or a node with two or more children.A B+ tree can be viewed as a B-tree 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 block-oriented storage context — in particular, filesystems. This is primarily because unlike binary search trees, B+ trees have very high fanout (number of pointers to child nodes in a node, typically on the order of 100 or more), which reduces the number of I/O operations required to find an element in the tree.The ReiserFS, NSS, XFS, JFS, ReFS, and BFS filesystems all use this type of tree for metadata indexing; BFS also uses B+ trees for storing directories. NTFS uses B+ trees for directory indexing. EXT4 uses extent trees (a modified B+ tree data structure) for file extent indexing. Relational database management systems such as IBM DB2, Informix, Microsoft SQL Server, Oracle 8, Sybase ASE, and SQLite support this type of tree for table indices. Key-value database management systems such as CouchDB and Tokyo Cabinet support this type of tree for data access.".
- Q285861 thumbnail Bplustree.png?width=300.
- Q285861 wikiPageExternalLink cacheObliviousBTree.html.
- Q285861 wikiPageExternalLink ?p=84.
- Q285861 wikiPageExternalLink CCECE07.pdf.
- Q285861 wikiPageExternalLink btrees.
- Q285861 wikiPageExternalLink bplusdotnet.sourceforge.net.
- Q285861 wikiPageExternalLink ?page_id=563.
- Q285861 wikiPageExternalLink 356770.356776.
- Q285861 wikiPageExternalLink main.
- Q285861 wikiPageExternalLink btree.php.
- Q285861 wikiPageExternalLink stx-btree.
- Q285861 wikiPageExternalLink Jonsson.pdf.
- Q285861 wikiPageExternalLink a-javascript-b-tree.
- Q285861 wikiPageExternalLink bplustree.html.
- Q285861 wikiPageExternalLink B+TreeIndexes.html.
- Q285861 wikiPageExternalLink BPlusTree.html.
- Q285861 wikiPageExternalLink cci.pdf.
- Q285861 wikiPageExternalLink fpbptrees.pdf.
- Q285861 wikiPageExternalLink Tree::BPTree.
- Q285861 wikiPageExternalLink cachecon.pdf?sequence=1.
- Q285861 wikiPageExternalLink blist.
- Q285861 wikiPageWikiLink Q1050734.
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- Q285861 wikiPageWikiLink Q319417.
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- Q285861 wikiPageWikiLink Q579538.
- Q285861 wikiPageWikiLink Q623818.
- Q285861 wikiPageWikiLink Q66656.
- Q285861 wikiPageWikiLink Q671298.
- Q285861 wikiPageWikiLink Q677051.
- Q285861 wikiPageWikiLink Q687074.
- Q285861 wikiPageWikiLink Q7236453.
- Q285861 wikiPageWikiLink Q812816.
- Q285861 wikiPageWikiLink Q8158554.
- Q285861 wikiPageWikiLink Q818943.
- Q285861 wikiPageWikiLink Q8284769.
- Q285861 comment "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.".
- Q285861 label "B+ tree".
- Q285861 depiction Bplustree.png.