Answered: What are the various methods for…

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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What are the various methods for accessing files? What benefits and drawbacks come with utilizing them?

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When a file is used, then the information is read and accessed into the computer memory and there are various ways to access this information of the file. Some systems provide only the one access method for the files. The other systems, such as those of the IBM, support many of the access methods, and selecting the right one for the particular application is the major design problem.

There are three ways to access a file into a computer system that is:-

Sequential Access,
Direct Access
Index sequential Method.

Let's see in detail with their benefits and drawbacks to utilizing them.

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