Logical Database Design A composite attribute does not get mapped into a relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design If no multivalued attributes exist in a relation, then the relation is in what normal form? Fourth normal form First normal form Second normal form Third normal form Fourth normal form First normal form Second normal form Third normal form ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A foreign key is which of the following? The same thing as a primary key An attribute that serves no purpose An attribute that serves as the primary key of another relation Any attribute The same thing as a primary key An attribute that serves no purpose An attribute that serves as the primary key of another relation Any attribute ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A null value is assigned when no other value applies. True False True False ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design An enterprise key is a primary key whose value is unique for a given relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design Well-structured relations encourage anomalies of data. True False True False ANSWER DOWNLOAD EXAMIANS APP
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