Logical Database Design A null value is assigned when no other value applies. True False True False ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design An enterprise key is a primary key whose value is unique for a given relation. False True False True 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 Third normal form Second normal form Fourth normal form First normal form Third normal form Second normal form Fourth normal form ANSWER DOWNLOAD EXAMIANS APP
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 When mapping a multivalued attribute into a relation which of the following is true? 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. One relation is created. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design When mapping a regular entity into a relation which of the following is true? One relation is created. Three relations are created. Two relations are created. Four relations are created. One relation is created. Three relations are created. Two relations are created. Four relations are created. ANSWER DOWNLOAD EXAMIANS APP