Computer Science: An Overview: Global Edition (12th Edition)

Published by Pearson Higher Education
ISBN 10: 1292061162
ISBN 13: 978-1-29206-116-0

Chapter 9 - Database Systems - Section 9.5 - Traditional File Structures - Questions & Exercises - Page 446: 5

Answer

A poorly chosen hash algorithm results in more clustering than normal and thus in more overflow. Because the overflow from each section of mass storage is organized as a linked list, searching through the overflow records is essentially searching a sequential file.

Work Step by Step

A poorly chosen hash algorithm results in more clustering than normal and thus in more overflow. Because the overflow from each section of mass storage is organized as a linked list, searching through the overflow records is essentially searching a sequential file.
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