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

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
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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 

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