QUESTION:
“What is the source of functional dependencies?”
ANSWER:
Functional dependencies are technical translations of user-specified business rules expressed as constraints in a relation schema.
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QUESTION: What are the undesirable functional dependencies in the relation instance of the STUCLASS relation schema shown in Exercise 6?
QUESTION: What are the undesirable functional dependencies in the relation instance of the STUCLASS relation schema shown in Exercise 6?
QUESTION: “What is the role of normalization in the database design process?”
QUESTION: Why does the relation create a result of a Projection operation on a relation that includes the primary key not contain fewer tuples than…
QUESTION: Why does the relation create a result of a Projection operation on a relation that includes the primary key not contain fewer tuples than…
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QUESTION: Write a short essay (one or two pages) about distributed databases using the information available from Internet sources?
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