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. Three relations are created. Four relations are created. One relation is created. Two relations are created. Three relations are created. Four relations are created. One relation is created. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design If no multivalued attributes exist in a relation, then the relation is in what normal form? First normal form Second normal form Fourth normal form Third normal form First normal form Second normal form Fourth normal form Third normal form ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A foreign key may be null and still adhere to the referential integrity constraint. True False True False 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 multivalued attribute into a relation which of the following is true? One relation is created. Four relations are created. Two relations are created. Three relations are created. One relation is created. Four relations are created. Two relations are created. Three 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
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