After three records with keys 40, 18, and 15 are inserted into an empty AVL tree, which of the following is correct? Question 5 options: no rotation is needed to maintian AVL tree a single right rotation is needed at node 40 a single left rotation is needed at node 18 a single left rotation is needed at node 15

After three records with keys 40, 18, and 15 are inserted into an empty AVL tree, which of the following is correct? Question 5 options: no rotation is needed to maintian AVL tree a single right rotation is needed at node 40 a single left rotation is needed at node 18 a single left rotation is needed at node 15

Oracle 12c: SQL

3rd Edition

ISBN:9781305251038

Author:Joan Casteel

Publisher:Joan Casteel

Chapter6: Additional Database Objects

Section: Chapter Questions

Problem 14MC

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After the following 3 values: 40, 30, 35 are inserted into an AVL tree, what action is needed to restore the AVL tree? Question 22 options: double rotation, with the right rotation at 30, left rotation at node 40 a single right rotation at node 30 double rotation, with the left rotation at 30, right rotation at node 40 a single left rotation at node 30
After the 3 values: 30, 45, and 50 are inserted into an empty AVL tree, what action is needed to maintain the AVL tree? Question 20 options: double rotation, with the left rotation at 45, right rotation at node 30 a single rotation to the left at node 30 double rotation, with the right rotation at 45, left rotation at node 30 a single rotation to the right at node 30
After the 3 values: 30, 45, and 40 are inserted into an empty AVL tree, what action is needed to maintain the AVL tree? Question 19 options: a single rotation to the right at node 30 a double rotation with left rotation at 45, and right rotation at 30 a single rotation to the left at node 30 a double rotation with right rotation at 45, and left rotation at 30
Design an AVL tree by following the operations below: 1. Insert 5 2. Insert 6 3. Insert 8 4. Delete 6 5. Insert 7 6. Insert 9 7. Insert 10 8. Delete 5 9. Delete 10 10. Insert 1
Exercise 4: Insert the nodes 14, 17, 11, 7, 53, 4, 13, 12, 8 (in that order) into an initially empty AVL tree. Exercise 5: Insert the nodes 15, 20, 24, 10, 13, 7, 30, 36, 25 (in that dows order) into an initially empty AVL tree. Go fo Settings to activate Windows. e Type here to search
Use the following AVL tree to answer the following questions: 3 points Save Answer 50 25 75 10 30 60 80 15 27 55 Click HERE to display the tree if it does not show, (a) Which is the deepest unbalanced node after deleting key 80, but before re-balancing, and what is its balance factor? (b) After the deletion, perform all the necessary rotations required to re-balance the tree, and after each rotation, state the type of rotation done and list the keys of the resulting tree in breadth-first order in the following format. en. After Left/Right rotation: e1, e2, e3, ..., hp
Please see att
8. Which of these formulas gives the maximum number of nodes on the n-th level (with root on the 0th level) of a binary tree? A. n² B. 2" C. 2"-1 D. 2"-1 E. None of the above
10. The following keys are added to an AVL tree: 50, 25, 80, 35, 20, 3, 2, 17, 18, 37, 36 Print the nodes with preorder traversal. If needed, draw the AVL tree also for partial credit. 25 25 17 3 20,37 35 60 36 80 20
Which of the following statements about Binary Search Tree (BST) is FALSE? Choose one:A.Organizes keys in nodes in such a manner that searching, insertion, and deletion are efficient.B.Start at the root and work your way left as long as there is a left child. This will result in the smallest element.The C.BST attribute specifies that all keys in a left subtree are smaller than a certain key, whereas all keys in a right subtree are bigger.D.Pre-order traversal prints out all the keys in alphabetical order.
Which of the following binary trees is also a BST (negative marking applies for incorrect selections made)? Please note the value of the node is represented by its letter, so A < B < C < D < E .... etc. Choose one or more Between 1 to 5 of the following options 1. None of the presented trees is a BST
A

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	no rotation is needed to maintian AVL tree
	a single right rotation is needed at node 40
	a single left rotation is needed at node 18
	a single left rotation is needed at node 15