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B-tree

In computer science, a B-tree is a self-balancing tree data structure that maintains sorted data and allows searches, sequential access, insertions, and deletions in logarithmic time. The B-tree generalizes the binary search tree, allowing nodes to have more than two children.

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Invented
1970
Invented by
Rudolf Bayer, Edward M. McCreight
Space complexity
Space complexitySpace O ( n ) {\displaystyle O(n)} Time complexityFunction Amortized Worst caseSearch O ( log ⁡ n ) {\displaystyle O(\log n)} O ( log ⁡ n ) {\displaystyle O(\log…
Type
Tree (data structure)

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Overview

History

Definition

Informal description

B-tree usage in databases

Algorithms

In filesystems

Performance

Variations

Sources

Advanced semantic analysis

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Map overview Semantic statistics

B-tree

Nodes77
Edges76
Triples192
Avg. degree1.97
Density0.025974
Components1

How this topic connects Entity context

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B-tree

Top relations

related to Sources · 47
B-tree → Acta Informatica, Addison-Wesley, Algorithms, Also, B-Trees, Balanced Trees, Bayer, Bill, Chapter, Charles, Clifford, Comer, Computer Programming, Computing Surveys, Cormen, Donald, Douglas, File Structures, Folk, Introduction
related to External links · 20
B-tree → Algorithms, Animated B-Tree, Archived, B-treeB-Tree TutorialThe InfinityDB BTree, B-Trees, Balanced Tree Data Structures, Data Structures, David Scot Taylor, Disk, Dr Rudolf BayerB-Trees, Net, Oblivious, Pat MorinCounted B-TreesB-Tree, RAM, Scholarpedia Curator, Section, SJSUB-Tree, UB-tree, Wayback Machine Bulk, Wayback MachineNIST's Dictionary
related to Original papers · 19
B-tree → Access, ACM-SIGFIDET Workshop, Bayer, Binary B-Trees, Boeing Scientific Research Laboratories, California, Control, Data Description, Information Sciences Report No, July, Large Ordered Indices, Maintenance, Mathematical, McCreight, Organization, Proceedings, Rudolf, San Diego, Virtual Memory
related to history · 14
B-tree → Acta Informatica, B-trees, Bayer, Boeing, Boeing Research Labs, Edward, July, McCreight, McCreight's, Organization, Rudolf Bayer, Their, When, While
related to Variants · 13
B-tree → As, B-trees, Because, Deleting, For, However, If, In, Nth, The, This, To, When
related to Access concurrency · 10
B-tree → B-tree-based ISAM, Lehman, Meta Access Method, No, The, There, This, United States Patent, Write, Yao
related to Differences in terminology · 9
B-tree → An, B-trees, Bayer, Comer, Folk, Knuth, McCreight, The, Zoellick
related to Index performance · 9
B-tree → Because, Binary Search Tree, Each, Finding, In, Most, One, That, This
related to Comparison to other trees · 7
B-tree → B-trees, Because, By, In, The, This, While
related to Best case and worst case heights · 6
B-tree → Each, Hence, It, Let, Terminology, Tree

Important terminology Word statistics

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Important terminology

node tree nodes disk number keys block index one leaf search file element parent internal may root two elements b-trees

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
B-treeInvented19701.00infobox
B-treeInvented byRudolf Bayer, Edward M. McCreight1.00infobox
B-treeSpace complexitySpace complexitySpace O ( n ) {\displaystyle O(n)} Time complexityFunction Amortized Worst caseSearch O ( log ⁡ n ) {\displaystyle O(\log n)} O ( log ⁡ n ) {\displaystyle O(\log…1.00infobox
B-treeTypeTree (data structure)1.00infobox
B-treeis aself-balancing tree data structure that maintains sorted data and allows searches0.90text
the Binstance ofThe general class includes variations0.80text
the Seagate ST3500320NSinstance ofFor a drive0.80text
the track-to-track seek time is 0.8 millisecondsinstance ofFor a drive0.80text
the average reading seek time is 8.5 millisecondsinstance ofFor a drive0.80text
B-treerelated to (a,b)-treeB-trees0.60section
B-treerelated to (a,b)-treeK/20.60section
B-treerelated to (a,b)-treeIn0.60section

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