201030Which of the following could result if remove (20) were called on this tree? (Choose all that apply)O Node 10 could become the right child of Node 30Node 10 could become the left child of Node 30Node 30 could become the left child of Node 10Node 30 could become the right child of Node 10All nodes would be removed

The given tree is a binary search tree All the nodes to the left of the root are less than the root.…

Answered: 20 10 30 Which of the following could…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question 8 options: Identify imbalance and rebalance the following BST into an AVL tree. Assume the node with key 2 was inserted last.
Exercise 3: Multi-way Trees A way to reduce the height of tree and ensure balance is to allow multiple children of nodes. In your class you learned 2-3 trees which allows up to 2 keys in a node, and the number of children is equal to the number of keys + 1. B-trees extend this concept to any arbitrary number of keys (usually number of keys is even and number of children (equal to number of keys+1) is odd). Assume we want to design a 5-way B-Tree. This will mean that there can be maximum 4 keys in a node, and if the number of keys becomes 5, we can split it into two (the same way we split 2-3 tree when number of keys becomes 3). Design a 5-way B-tree. Starting with an empty tree, insert the following keys in order. 2, 3, 5, 7, 10, 50, 22, 44, 45, 55, 66, 68, 70, 17, 6, 21, 67
The next few questions refer to the following tree: (Tree 2) 46 23 (21 29 (48 (89 (26 40 Question 5 Referring to tree 2 shown above: In which order would the nodes of the tree be visited by an in-order traversal? O 5, 21, 26, 40, 29, 23, 48, 89, 71, 46 O 5, 21, 23, 26, 29, 40, 46, 48, 71, 89 O 46, 23, 71, 21, 29, 48, 89, 5, 26, 40 O 46, 23, 21, 5, 29, 26, 40, 71, 48, 89

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