Logical Database Design A foreign key may be null and still adhere to the referential integrity constraint. False True False True 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? 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 Relations are: five-dimensional tables. four-dimensional tables. two-dimensional tables. three-dimensional tables. five-dimensional tables. four-dimensional tables. two-dimensional tables. three-dimensional tables. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A synonym is two or more attributes that have different names but the same meaning. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A transitive dependency is which of the following? 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. A functional dependency between two or more nonkey attributes. A functional dependency between two or more key attributes. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design When mapping a multivalued attribute into a relation which of the following is true? One relation is created. Three relations are created. Four relations are created. Two relations are created. One relation is created. Three relations are created. Four relations are created. Two relations are created. ANSWER DOWNLOAD EXAMIANS APP
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