Consider an E-R diagram in which the same entity set appears several times, with its attributes repeated
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Consider an E-R diagram in which the same entity set appears several times, with its attributes repeated in more than one occurrence. Why is allowing this redundancy a bad practice that one should avoid?
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An ER Diagram ERD is a visual representation of a database and entity sets represent the databases t...View the full answer
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Dudhat Vaidehi
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Related Book For 
Database System Concepts
ISBN: 9780078022159
7th Edition
Authors: Abraham Silberschatz, Henry F. Korth, S. Sudarshan
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