Logical Database Design A transitive dependency is which of the following? A relation that is in first normal form. A functional dependency between two or more nonkey attributes. A relation that is in second normal form. A functional dependency between two or more key attributes. A relation that is in first normal form. A functional dependency between two or more nonkey attributes. A relation that is in second normal form. A functional dependency between two or more key attributes. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A relation has which of the following properties? The order of the columns is significant. Each relation has a unique name. Attributes can have the same name within a given table. Each row is not unique. The order of the columns is significant. Each relation has a unique name. Attributes can have the same name within a given table. Each row is not unique. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A candidate key must uniquely identify each row. True False True False ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design The primary key in a relation does not need to be underlined. True False True False ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design If no multivalued attributes exist in a relation, then the relation is in what normal form? Third normal form First normal form Second normal form Fourth normal form Third normal form First normal form Second normal form Fourth normal form ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design The entity integrity rule states that: no primary key can be composite. no primary key attribute may be null. no primary key may be unique. no primary key may be equal to a value in a foreign key. no primary key can be composite. no primary key attribute may be null. no primary key may be unique. no primary key may be equal to a value in a foreign key. ANSWER DOWNLOAD EXAMIANS APP
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