Use either the sequential access approach or the direct access method to retrieve information stored in memory. These two entry ways are both viable options. The advantages of having instant access to today's most popular gadgets, and the means by which such items may be obtained, are discussed. When information is put into a device that only enables sequential access, how do we go about updating that data?

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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Use either the sequential access approach or the direct access method to retrieve information stored in memory. These two entry ways are both viable options. The advantages of having instant access to today's most popular gadgets, and the means by which such items may be obtained, are discussed. When information is put into a device that only enables sequential access, how do we go about updating that data?

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