Q1 a) Consider initially an empty B-tree of order 5 i. Insert the following key values into the B-tree and draw the resulting B-tree 20,40,10,30,24,15,35,7,26,18,5,42,13,27,24,1,12,22,19 ii. Delete the item with key values 7 and 20. Draw the resulting B-tree iii. Insert new data value 28 and draw the resulting B-tree b)Using the Huffman Algorithm, encode the following string “Dear Afesi,”. i. The Huffman-tree ii. The Huffman-code iii. The average code length of bits saved iv. The proportion or percentage of bits save when variable-length encoding is used instead of fixed length encoding scheme.
Q1 a) Consider initially an empty B-tree of order 5 i. Insert the following key values into the B-tree and draw the resulting B-tree 20,40,10,30,24,15,35,7,26,18,5,42,13,27,24,1,12,22,19 ii. Delete the item with key values 7 and 20. Draw the resulting B-tree iii. Insert new data value 28 and draw the resulting B-tree b)Using the Huffman Algorithm, encode the following string “Dear Afesi,”. i. The Huffman-tree ii. The Huffman-code iii. The average code length of bits saved iv. The proportion or percentage of bits save when variable-length encoding is used instead of fixed length encoding scheme.
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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Q1
a) Consider initially an empty B-tree of order 5
i. Insert the following key values into the B-tree and draw the resulting B-tree
20,40,10,30,24,15,35,7,26,18,5,42,13,27,24,1,12,22,19
ii. Delete the item with key values 7 and 20. Draw the resulting B-tree
iii. Insert new data value 28 and draw the resulting B-tree
b)Using the Huffman Algorithm , encode the following string “Dear Afesi,”.
i. The Huffman-tree
ii. The Huffman-code
iii. The average code length of bits saved
iv. The proportion or percentage of bits save when variable-length encoding is used instead of fixed length encoding scheme.
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