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 Second normal form Third normal form First normal form Fourth normal form Second normal form Third normal form First normal form 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. One relation is created. Two relations are created. Three relations are created. Four relations are created. One relation is created. Two relations are created. Three relations are created. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A primary key is which of the following? An attribute that uniquely identifies each row A derived attribute An attribute that uniquely identifies each column Any attribute An attribute that uniquely identifies each row A derived attribute An attribute that uniquely identifies each column Any attribute ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design Relations are: five-dimensional tables. three-dimensional tables. two-dimensional tables. four-dimensional tables. five-dimensional tables. three-dimensional tables. two-dimensional tables. four-dimensional tables. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design Weak entities do not get mapped into a relation. False True False True 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
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