Logical Database Design When mapping a ternary relationship with an associative entity into a relation which of the following is true? Two relations are created. 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. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design The primary key of the new relation in a many-to-many relationship is a composite key comprised of the primary keys of each of the binary entities. False True False True 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 candidate key must uniquely identify each row. 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 Third normal form First normal form Second normal form Fourth normal form Third normal form First normal form Second 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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