Red-black tree

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  B-tree

  In computer science, a B-tree is a tree data structure that keeps data sorted and allows searches, insertions, deletions, and sequential access in logarithmic amortized time. The B-tree is a generalization of a binary search tree in that more than two paths diverge from a single node. Unlike self...
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  AVL tree

  In computer science, an AVL tree is a self-balancing binary search tree, and it is the first such data structure to be invented. In an AVL tree, the heights of the two child subtrees of any node differ by at most one; therefore, it is also said to be height-balanced. Lookup, insertion, and deletion...
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  2-3-4 tree

  A 2-3-4 tree (also called a 2-4 tree), in computer science, is a self-balancing data structure that is commonly used to implement dictionaries. 2-3-4 trees are B-trees of order 4; like B-trees in general, they can search, insert and delete in O(log n) time. One property of a 2-3-4 tree is that all...
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  2-3 tree

  A 2-3 tree in computer science is a type of data structure, a B-tree where every node with children (internal node) has either two children and one data element (2-nodes) or three children and two data elements (3-nodes). Nodes on the outside of the tree (leaf nodes) have no children and one or two...
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  Splay tree

  A splay tree is a self-balancing binary search tree with the additional property that recently accessed elements are quick to access again. It performs basic operations such as insertion, look-up and removal in O(log(n)) amortized time. For many non-uniform sequences of operations, splay trees...
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  B+ tree

  In computer science, a B+ tree (BplusTree) is a type of tree which represents sorted data in a way that allows for efficient insertion, retrieval and removal of records, each of which is identified by a key. It is a dynamic, multilevel index, with maximum and minimum bounds on the number of keys in...

• B*-tree

  A B*-tree is a tree data structure, a variety of B-tree used in the HFS and Reiser4 file systems, which requires non-root nodes to be at least 2/3 full instead of 1/2. To maintain this, instead of immediately splitting up a node when it gets full, its keys are shared with the node next to it. When...

• 2-3 heap

  In computer science, a 2-3 heap is a data structure, a variation on the heap, designed by Tadao Takaoka in 1999. The structure is similar to the Fibonacci heap, and borrows from the 2-3 tree. Time costs for some common heap operations:

• Skip list

  A skip list is a data structure for storing a sorted list of items, using a hierarchy of linked lists that connect increasingly sparse subsequences of the items. These auxiliary lists allow item lookup with efficiency comparable to balanced binary search trees (that is, with number of probes...

• B# Tree

  A B# tree is similar to a B+ tree with rotations allowed among brothers only (immediate siblings). Insertion Procedure: Find the node where the new key is to be inserted. If that node is full we must try to perform a rotation with one of our brothers. If all of our brothers are at capacity we must...