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Explain deletion anomalies and provide examples.

Danli

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7 years ago

Explain deletion anomalies and provide examples.

Textbook

Hands-On Database

Edition: 2^nd

Author: Conger

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Computer Science Major @ The University of Texas at Austin

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Venturia

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7 years ago

More solutions for this book are available here

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leesajohnson

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7 years ago

A Delete Anomaly exists when certain attributes are lost because of the deletion of other attributes. For example, consider what happens if Student S30 is the last student to leave the course - All information about the course is lost.
Table--
StudentNumber   CourseNumber   Student Name   Address    Course
S21    8201         Jess London    Accounts
S21       8267 Leesa     Uae    Accounts
S24           8267 Smith Glasgow Physics
S30    8203       Alisha    Manchester Chemistry

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Danli Author

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7 years ago

This is exactly what was needed for the quiz, thank you

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Computer Science Major @ The University of Texas at Austin

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