Logical Database Design A primary key may be null. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A transitive dependency is which of the following? A functional dependency between two or more key attributes. A functional dependency between two or more nonkey attributes. A relation that is in second normal form. A relation that is in first normal form. A functional dependency between two or more key attributes. A functional dependency between two or more nonkey attributes. A relation that is in second normal form. A relation that is in first normal form. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design In a 1:M relationship, the primary key on the one side migrates to the many side to become the foreign key on the many side. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design Relations are: three-dimensional tables. four-dimensional tables. five-dimensional tables. two-dimensional tables. three-dimensional tables. four-dimensional tables. five-dimensional tables. two-dimensional tables. 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 Weak entities do not get mapped into a relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
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