Demonstrate that if a relation contains no property that is functionally determined by all of the other characteristics, the relation has no nontrivial FDs at all.
Demonstrate that if a relation contains no property that is functionally determined by all of the other characteristics, the relation has no nontrivial FDs at all.
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
Chapter3: The Relational Database Model
Section: Chapter Questions
Problem 4P: Describe the type(s) of relationship(s) between STORE and REGION.
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Demonstrate that if a relation contains no property that is functionally determined by all of the other characteristics, the relation has no nontrivial FDs at all.
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