Reconstruct the B - tree after deleting the key K.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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![Question 2
The diagram below shows a B- tree after the root node has been split and a new node is created
above it, increasing the height of the tree. A new node containing the key H is created as the parent
of the two nodes split from the original root node.
H
JL
А В
EFG
M N
K
a) Reconstruct the B - tree after deleting the key K.
3
b) After deleting the key K from the B - tree shown, this is no longer a valid B-Tree because there
is no longer a middle child between the keys J and L. Demonstrate how to correct the structure
by redistributing some of the keys among the children.
c) Reconstruct the B- tree after the keys I and J were deleted bearing in mind that key K already
deleted. Explain how to correct the tree structure as redistribution is required.
d) B-Trees are specifically designed for managing indexes on secondary storage such
hard
disks, compact discs, and so on, providing efficient insert, delete, and search operations.
Predict six characteristics of B- trees.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9aef39fe-8c32-4a0f-84c8-422a4456b1dd%2Fa9087d74-ba2d-40ed-8f12-dbd4fbf4ddb1%2Fapvd9vk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question 2
The diagram below shows a B- tree after the root node has been split and a new node is created
above it, increasing the height of the tree. A new node containing the key H is created as the parent
of the two nodes split from the original root node.
H
JL
А В
EFG
M N
K
a) Reconstruct the B - tree after deleting the key K.
3
b) After deleting the key K from the B - tree shown, this is no longer a valid B-Tree because there
is no longer a middle child between the keys J and L. Demonstrate how to correct the structure
by redistributing some of the keys among the children.
c) Reconstruct the B- tree after the keys I and J were deleted bearing in mind that key K already
deleted. Explain how to correct the tree structure as redistribution is required.
d) B-Trees are specifically designed for managing indexes on secondary storage such
hard
disks, compact discs, and so on, providing efficient insert, delete, and search operations.
Predict six characteristics of B- trees.
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