Answered: Explain the Third Normal Form (3NF) and…

Explain the Third Normal Form (3NF) and how it further refines database design by eliminating transitive dependencies.

Database Systems: Design, Implementation, & Management

11th Edition

ISBN:9781285196145

Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel

Publisher:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel

Chapter9: Database Design

Section: Chapter Questions

Problem 5RQ

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Concept explainers

Transaction Processing

Transaction processing is a computational style generally performed by server computers, which supports interactive applications (apps). Transaction processing is also known as information processing, which divides the work into indivisible and individual operations called transactions. The transaction is a set of tasks; a single task is considered as the minimum processing unit that cannot be divided again.

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Explain the Third Normal Form (3NF) and how it further refines database design by eliminating transitive dependencies.

Organized collection of structured information, or data, typically stored in a computer system.

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Part 3 5. Database design often involves decisions about the storage of attributes. For example a Telephone Number can be stored as a one attribute or split into three attributes (one for each of the three hyphen-delineated groups of numbers in a Telephone Number (XXX)-XXX-XXXX, I.e (123)-456-7890). However, Telephone Number is usually stored in one attribute. The decision is usually based on how the database will be used. This exercise asks you to think about specific situations where dividing the Telephone Number is useful. List and describe the different situations, give examples.

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