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 and no partial dependencies exist in a relation, then the relation is in what normal form? Second normal form Third normal form Fourth normal form First normal form Second normal form Third normal form Fourth normal form First normal form ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A null value is assigned when no other value applies. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design When mapping a regular entity into a relation which of the following is true? Three relations are created. One relation is created. Two relations are created. Four relations are created. Three relations are created. One relation is created. Two relations are created. Four relations are created. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A transitive dependency is which of the following? A functional dependency between two or more nonkey attributes. A functional dependency between two or more key attributes. A relation that is in second normal form. A relation that is in first normal form. A functional dependency between two or more nonkey attributes. A functional dependency between two or more key attributes. A relation that is in second normal form. A relation that is in first normal form. 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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