{"id":37328,"date":"2025-06-26T14:16:07","date_gmt":"2025-06-26T08:46:07","guid":{"rendered":"https:\/\/www.iquanta.in\/blog\/?p=37328"},"modified":"2025-06-26T14:17:33","modified_gmt":"2025-06-26T08:47:33","slug":"tree-in-data-structure-its-advantages-types-and-operations","status":"publish","type":"post","link":"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/","title":{"rendered":"Tree in Data Structure Explained: Types &amp; Key Operations"},"content":{"rendered":"\n<p>In the data-driven era of computing and programming, tree data structure plays a vital role for storing and managing data efficiently. We have seen data structures like arrays, stacks that store data in a linear form.<\/p>\n\n\n\n<p>Tree in data structure is the most appropriate to store data in a hierarchical form and considered to be an advanced data structure. Trees play a vital role for managing data in a non-linear form (trees don&#8217;t store data in a sequential manner like linear data structure does).<\/p>\n\n\n\n<p>In this blog we will be covering introduction to tree in data structure, how to represent tree in data structure along with its basic terminologies, different operations to be performed, real world applications along with advantages and disadvantages of a tree.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/chat.whatsapp.com\/B6weknl7133BQXjPva0pgB\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"159\" src=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2025\/01\/DSAWHATSAPPBANNER-2-25-1024x159.jpg\" alt=\"\" class=\"wp-image-41484\" style=\"width:814px;height:auto\" srcset=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2025\/01\/DSAWHATSAPPBANNER-2-25-1024x159.jpg 1024w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2025\/01\/DSAWHATSAPPBANNER-2-25-300x47.jpg 300w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2025\/01\/DSAWHATSAPPBANNER-2-25-768x119.jpg 768w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2025\/01\/DSAWHATSAPPBANNER-2-25-1536x238.jpg 1536w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2025\/01\/DSAWHATSAPPBANNER-2-25-2048x317.jpg 2048w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2025\/01\/DSAWHATSAPPBANNER-2-25-150x23.jpg 150w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2025\/01\/DSAWHATSAPPBANNER-2-25-696x108.jpg 696w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2025\/01\/DSAWHATSAPPBANNER-2-25-1068x166.jpg 1068w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2025\/01\/DSAWHATSAPPBANNER-2-25-1920x298.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/div>\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_77 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#What_is_Tree_in_Data_Structure\" >What is Tree in Data Structure ?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#Root_Node\" >Root Node<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#Node\" >Node<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#Edge\" >Edge<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#Parent_node_in_tree\" >Parent node in tree<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#Types_of_Trees_in_Data_Structure\" >Types of Trees in Data Structure\u00a0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#Binary_Tree\" >Binary Tree<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#Binary_Search_Tree_BST\" >Binary Search Tree (BST)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#Balanced_Binary_Tree_AVL_Tree\" >Balanced Binary Tree (AVL Tree)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#Complete_Binary_Tree_CBT_in_Data_Structure\" >Complete Binary Tree (CBT) in Data Structure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#K-_Ary_Tree_in_Data_Structure\" >K- Ary Tree in Data Structure<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#Tree_Operations_in_Data_Structure\" >Tree Operations in Data Structure<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#Traversal_operation_of_a_tree\" >Traversal operation of a tree<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#Addition_operation_of_tree_in_data_structure\" >Addition operation of tree in data structure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#Deletion_operation_of_tree_data_structure\" >Deletion operation of tree data structure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#Search_operation_of_tree_in_data_structure\" >Search operation of tree in data structure<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#Application_of_tree_in_data_structure\" >Application of tree in data structure<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#Networking_and_routing_application\" >Networking and routing application<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#Use_of_tree_data_structure_in_compilers\" >Use of tree data structure in compilers<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#Use_of_trees_in_Blockchain\" >Use of trees in Blockchain<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#Advantages_and_Disadvantages_of_tree_in_data_structure\" >Advantages and Disadvantages of tree in data structure<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#Advantages\" >Advantages<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/#Disadvantages\" >Disadvantages<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-what-is-tree-in-data-structure\"><span class=\"ez-toc-section\" id=\"What_is_Tree_in_Data_Structure\"><\/span><strong>What is Tree in Data Structure ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Trees are versatile <a href=\"https:\/\/www.iquanta.in\/blog\/?p=37328\">data structures<\/a> that store data in a hierarchical form. In a tree there are different nodes that are connected through the edges and each node contains data and pointers helps to connect different nodes with each other.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-root-node\"><span class=\"ez-toc-section\" id=\"Root_Node\"><\/span><strong>Root Node<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Root Node in the tree serves as a topmost node. It is the initial point in the tree to reach all other nodes. All the nodes of the tree data structure are directly or indirectly connected to it and the flow of entire tree decides from the root node itself.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"311\" height=\"201\" src=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Root-node-diagram.png\" alt=\"root node in tree data structure\" class=\"wp-image-37418\" style=\"width:231px;height:auto\" srcset=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Root-node-diagram.png 311w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Root-node-diagram-300x194.png 300w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Root-node-diagram-150x97.png 150w\" sizes=\"(max-width: 311px) 100vw, 311px\" \/><figcaption class=\"wp-element-caption\"><strong>Root Node in a tree<\/strong><\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-node\"><span class=\"ez-toc-section\" id=\"Node\"><\/span><strong>Node <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>It is a basic terminology which represents data in a tree that are connected with each other through the edges. Node in a tree contains data that we need to store and apart from that A, B, C, D, root all are the nodes given below in the diagram 1.1<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-edge\"><span class=\"ez-toc-section\" id=\"Edge\"><\/span><strong>Edge <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Edge is a connection between two nodes in a tree that joins two nodes together. It\u2019 s main property is to show the relationship between the child node and parent node. It is very important term in a tree to understand relationship between the nodes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-parent-node-in-tree\"><span class=\"ez-toc-section\" id=\"Parent_node_in_tree\"><\/span><strong>Parent node in tree<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>A parent node in tree is a node which has one or more child nodes. Example: In the diagram Node A is the parent node of Node B and Node C.<\/p>\n\n\n\n<p><strong>Leaf Node : <\/strong>Leaf nodes in a tree have no child nodes. Example : Node B, Node C, Node D serve as a leaf node in the given diagram.<\/p>\n\n\n\n<p><strong>Height : <\/strong>Height of a tree can be calculated as the longest path from that node to the leaf node.<\/p>\n\n\n\n<p>Height of a tree = Height of a root node.<\/p>\n\n\n\n<p><strong>Depth of a tree : <\/strong>Depth of a tree can be calculated as the number of edges between the root node to the respective node.<\/p>\n\n\n\n<p><strong>Level of a tree : <\/strong>Level of a tree in a data structure can be calculated as the number of connections formed between the root node and the respective node.<\/p>\n\n\n\n<p>Example : Root Node == Level 0 (root node of a tree is at level 0)\u00a0<\/p>\n\n\n\n<p><strong>Generations : <\/strong>All the nodes of the same level are considered to be the same generation nodes.<\/p>\n\n\n\n<p><strong>Example<\/strong> :<strong>&nbsp; Node A ,Node D == Level 1<\/strong><\/p>\n\n\n\n<p><strong>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Node B, Node C== Level 2&nbsp;<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"611\" height=\"331\" src=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Tree-Data-Structure.png\" alt=\"tree in data structure\" class=\"wp-image-37330\" style=\"width:325px;height:auto\" srcset=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Tree-Data-Structure.png 611w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Tree-Data-Structure-300x163.png 300w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Tree-Data-Structure-150x81.png 150w\" sizes=\"(max-width: 611px) 100vw, 611px\" \/><figcaption class=\"wp-element-caption\"><strong>1.1<\/strong>   <strong>TREE IN DATA STRUCTURE<\/strong><\/figcaption><\/figure><\/div>\n\n\n<p><strong>Degree of a node : <\/strong>Degree of a tree can be calculated as the total number of children count of that node.<\/p>\n\n\n\n<p><strong>Degree of a node\u00a0 = <\/strong>Total number of children of a node<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-types-of-trees-in-data-structure\"><span class=\"ez-toc-section\" id=\"Types_of_Trees_in_Data_Structure\"><\/span><strong>Types of Trees in Data Structure\u00a0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-binary-tree\"><span class=\"ez-toc-section\" id=\"Binary_Tree\"><\/span><strong>Binary Tree<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><a href=\"https:\/\/www.iquanta.in\/blog\/?p=37328\">Binary tree<\/a> is a most fundamental tree in data structure . This tree has atmost 2 children (i.e 0, 1 ,2 nodes). It is a foundation for all the specialized trees like AVL tree (Adelson-Velsky and Landis) and BST.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-binary-search-tree-bst\"><span class=\"ez-toc-section\" id=\"Binary_Search_Tree_BST\"><\/span><strong>Binary Search Tree (BST)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Binary Search Tree is an important tree for efficient searching, insertion and deletion of a node in a tree.  The Given example below represents the properties of Binary Search Tree (BST) in which node 10 represents the root node of a tree and left child of root node is 5      (which is lesser than it&#8217;s parent node ) and 20 is the right child of the root node (which is greater than it&#8217;s parent node).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"569\" height=\"378\" src=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Binary-Search-Tree.png\" alt=\"Binary Search Tree\" class=\"wp-image-37382\" style=\"width:256px;height:auto\" srcset=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Binary-Search-Tree.png 569w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Binary-Search-Tree-300x199.png 300w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Binary-Search-Tree-150x100.png 150w\" sizes=\"(max-width: 569px) 100vw, 569px\" \/><figcaption class=\"wp-element-caption\"><strong>Binary Search Tree Diagram<\/strong><\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-balanced-binary-tree-avl-tree\"><span class=\"ez-toc-section\" id=\"Balanced_Binary_Tree_AVL_Tree\"><\/span><strong>Balanced Binary Tree (AVL Tree)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Balanced Binary Tree is an extended and more efficient version of binary search tree that improves complexity. The difference in height of the left and right subtree is either -1, 0 ,+1. Rotations will be of four types i.e, LL rotations (Left Left rotation) , LR rotation (Left Right Rotation), RL(Right Left Rotation) rotation, RR (Right Right) rotation.<\/p>\n\n\n\n<ul>\n<li>AVL trees are the perfect example of the balanced binary search tree as they contain self balancing properties.<\/li>\n\n\n\n<li>They are used in several computer science fundamentals like file systems for the fast data retrieval.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"580\" height=\"408\" src=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Balanced-Tree.png\" alt=\"balanced binary tree\" class=\"wp-image-37359\" style=\"width:343px;height:auto\" srcset=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Balanced-Tree.png 580w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Balanced-Tree-300x211.png 300w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Balanced-Tree-150x106.png 150w\" sizes=\"(max-width: 580px) 100vw, 580px\" \/><figcaption class=\"wp-element-caption\"><strong>Balanced Binary Tree<\/strong><\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-complete-binary-tree-cbt-in-data-structure\"><span class=\"ez-toc-section\" id=\"Complete_Binary_Tree_CBT_in_Data_Structure\"><\/span><strong>Complete Binary Tree (CBT) in Data Structure<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Complete Binary Tree (CBT) is another type of tree in data structure in which all the nodes are completely filled till the second last level and in the last level the arrangement of nodes are left aligned (i.e, the nodes are arranged from left to right).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"615\" height=\"347\" src=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Complete-Binary-Tree.png\" alt=\"Complete Binary Tree\" class=\"wp-image-37358\" style=\"width:353px;height:auto\" srcset=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Complete-Binary-Tree.png 615w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Complete-Binary-Tree-300x169.png 300w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Complete-Binary-Tree-150x85.png 150w\" sizes=\"(max-width: 615px) 100vw, 615px\" \/><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-k-ary-tree-in-data-structure\"><span class=\"ez-toc-section\" id=\"K-_Ary_Tree_in_Data_Structure\"><\/span><strong>K- Ary Tree in Data Structure<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>K- Ary tree defines a generalized number of children for each node. Each node in the K-ary tree contains at most k number of children. A full k-ary tree is considered to be full if each node in the tree has 0 or exactly \u2018k\u2019 nodes.\u00a0 In the diagram below shown 3- ary tree:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"476\" height=\"354\" src=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/K-Ary-tree.png\" alt=\"k-ary tree in data structure\" class=\"wp-image-37357\" style=\"width:264px;height:auto\" srcset=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/K-Ary-tree.png 476w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/K-Ary-tree-300x223.png 300w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/K-Ary-tree-80x60.png 80w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/K-Ary-tree-150x112.png 150w\" sizes=\"(max-width: 476px) 100vw, 476px\" \/><figcaption class=\"wp-element-caption\"><strong>K-Ary tree in data structure<\/strong><\/figcaption><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-tree-operations-in-data-structure\"><span class=\"ez-toc-section\" id=\"Tree_Operations_in_Data_Structure\"><\/span><strong>Tree Operations in Data Structure<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-traversal-operation-of-a-tree\"><span class=\"ez-toc-section\" id=\"Traversal_operation_of_a_tree\"><\/span><strong>Traversal operation of a tree<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Traversal operation in a tree serves as the visiting of each node according to an order. There are different traversals in tree viz. preorder traversal, postorder traversal and inorder traversal.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"623\" height=\"412\" src=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/traversal-operation-in-a-tree-data-structure.png\" alt=\"traversal operation in tree\" class=\"wp-image-37355\" style=\"width:319px;height:auto\" srcset=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/traversal-operation-in-a-tree-data-structure.png 623w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/traversal-operation-in-a-tree-data-structure-300x198.png 300w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/traversal-operation-in-a-tree-data-structure-150x99.png 150w\" sizes=\"(max-width: 623px) 100vw, 623px\" \/><figcaption class=\"wp-element-caption\"><strong>Traversal operation in a tree<\/strong><\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-addition-operation-of-tree-in-data-structure\"><span class=\"ez-toc-section\" id=\"Addition_operation_of_tree_in_data_structure\"><\/span><strong>Addition operation of tree in data structure<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Addition operation in a tree used for adding a new node in a tree. In the diagram given below we are actually adding the D node to the tree as the right child of B.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"735\" height=\"287\" src=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Insertion-operation-in-a-tree.png\" alt=\"insertion operation in data structure\" class=\"wp-image-37348\" style=\"width:369px;height:auto\" srcset=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Insertion-operation-in-a-tree.png 735w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Insertion-operation-in-a-tree-300x117.png 300w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Insertion-operation-in-a-tree-150x59.png 150w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Insertion-operation-in-a-tree-696x272.png 696w\" sizes=\"(max-width: 735px) 100vw, 735px\" \/><figcaption class=\"wp-element-caption\"><strong>Insertion operation in a tree<\/strong><\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-deletion-operation-of-tree-data-structure\"><span class=\"ez-toc-section\" id=\"Deletion_operation_of_tree_data_structure\"><\/span><strong>Deletion operation of tree data structure<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Deletion operation in a tree data structure is used to delete a particular node from a specified location in a given tree. To practically understand delete operation we have deleted Node D from the tree given in the diagram below.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"746\" height=\"286\" src=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Deletion-operation-in-tree.png\" alt=\"deletion operation in a tree\" class=\"wp-image-37346\" style=\"width:405px;height:auto\" srcset=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Deletion-operation-in-tree.png 746w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Deletion-operation-in-tree-300x115.png 300w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Deletion-operation-in-tree-150x58.png 150w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/Deletion-operation-in-tree-696x267.png 696w\" sizes=\"(max-width: 746px) 100vw, 746px\" \/><figcaption class=\"wp-element-caption\"><strong>Deletion operation<\/strong> <strong>in a tree<\/strong><\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-search-operation-of-tree-in-data-structure\"><span class=\"ez-toc-section\" id=\"Search_operation_of_tree_in_data_structure\"><\/span><strong>Search operation of tree in data structure<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Search (SEARCHING)\u00a0operation in a tree data structure searches for a particular node in a tree.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-application-of-tree-in-data-structure\"><span class=\"ez-toc-section\" id=\"Application_of_tree_in_data_structure\"><\/span><strong>Application of tree in data structure<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-networking-and-routing-application\"><span class=\"ez-toc-section\" id=\"Networking_and_routing_application\"><\/span><strong>Networking and routing application<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul>\n<li>Tree helps in forming the routing tables to determine the shortest path in a network efficiently.&nbsp;<\/li>\n\n\n\n<li>Domain Name System uses tree to resolve domain names to IP addresses.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-use-of-tree-data-structure-in-compilers\"><span class=\"ez-toc-section\" id=\"Use_of_tree_data_structure_in_compilers\"><\/span><strong>Use of tree data structure in compilers<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Compiler is an important and fundamental unit of computer science and it uses AST ( Abstract Syntax Tree ) to represent the structure of source code or proper flow to determine the easy analysis and translations.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/chat.whatsapp.com\/B6weknl7133BQXjPva0pgB\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"159\" src=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2025\/01\/DSAWHATSAPPBANNER-2-26-1024x159.jpg\" alt=\"\" class=\"wp-image-41485\" srcset=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2025\/01\/DSAWHATSAPPBANNER-2-26-1024x159.jpg 1024w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2025\/01\/DSAWHATSAPPBANNER-2-26-300x47.jpg 300w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2025\/01\/DSAWHATSAPPBANNER-2-26-768x119.jpg 768w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2025\/01\/DSAWHATSAPPBANNER-2-26-1536x238.jpg 1536w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2025\/01\/DSAWHATSAPPBANNER-2-26-2048x317.jpg 2048w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2025\/01\/DSAWHATSAPPBANNER-2-26-150x23.jpg 150w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2025\/01\/DSAWHATSAPPBANNER-2-26-696x108.jpg 696w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2025\/01\/DSAWHATSAPPBANNER-2-26-1068x166.jpg 1068w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2025\/01\/DSAWHATSAPPBANNER-2-26-1920x298.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-use-of-trees-in-blockchain\"><span class=\"ez-toc-section\" id=\"Use_of_trees_in_Blockchain\"><\/span><strong>Use of trees in Blockchain<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Merkle trees are used in blockchain technology to verify the transactions and security systems. These trees in blockchain and in other security systems are used to minimize the network congestion and enable processes and computation faster.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"662\" height=\"421\" src=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/application-of-tree-in-blockchain.png\" alt=\"application of blockchain diagram\" class=\"wp-image-37345\" style=\"width:338px;height:auto\" srcset=\"https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/application-of-tree-in-blockchain.png 662w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/application-of-tree-in-blockchain-300x191.png 300w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/application-of-tree-in-blockchain-660x420.png 660w, https:\/\/www.iquanta.in\/blog\/wp-content\/uploads\/2024\/12\/application-of-tree-in-blockchain-150x95.png 150w\" sizes=\"(max-width: 662px) 100vw, 662px\" \/><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-advantages-and-disadvantages-of-tree-in-data-structure\"><span class=\"ez-toc-section\" id=\"Advantages_and_Disadvantages_of_tree_in_data_structure\"><\/span><strong>Advantages and Disadvantages of tree in data structure<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-advantages\"><span class=\"ez-toc-section\" id=\"Advantages\"><\/span><strong>Advantages <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul>\n<li>Insertion and searching will become more efficient and we will perform these operations in O (log n) time, making them efficient for sorted data.<\/li>\n\n\n\n<li>Trees provide three different traversal options like preorder, postorder and inorder that helps to traverse the data according to the requirement.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-disadvantages\"><span class=\"ez-toc-section\" id=\"Disadvantages\"><\/span><strong>Disadvantages<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul>\n<li>Child nodes or pointers in a tree can increase memory usage that cause problems of memory overhead.<\/li>\n\n\n\n<li>Data ordering no longer remains intrinsic in a tree.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>In the data-driven era of computing and programming, tree data structure plays a vital role for storing and managing data efficiently. We have seen data structures like arrays, stacks that store data in a linear form. Tree in data structure is the most appropriate to store data in a hierarchical form and considered to be [&hellip;]<\/p>\n","protected":false},"author":560,"featured_media":37404,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1075,1073],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.4 (Yoast SEO v21.9.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Tree in Data Structure Explained: Types &amp; Key Operations - iQuanta<\/title>\n<meta name=\"description\" content=\"In this blog we will be covering introduction to tree in data structure, advantages, types and operations of tree in data structure.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.iquanta.in\/blog\/tree-in-data-structure-its-advantages-types-and-operations\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tree in Data Structure Explained: Types &amp; 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