Logical Database Design Relations are: four-dimensional tables. two-dimensional tables. five-dimensional tables. three-dimensional tables. four-dimensional tables. two-dimensional tables. five-dimensional tables. three-dimensional tables. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A null value is assigned when no other value applies. True False True False 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? First normal form Second normal form Third normal form Fourth normal form First normal form Second normal form Third normal form Fourth normal form 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 first normal form. A functional dependency between two or more key attributes. A relation that is in second normal form. A functional dependency between two or more nonkey attributes. A relation that is in first normal form. A functional dependency between two or more key attributes. A relation that is in second normal form. A functional dependency between two or more nonkey attributes. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A primary key is which of the following? An attribute that uniquely identifies each row An attribute that uniquely identifies each column A derived attribute Any attribute An attribute that uniquely identifies each row An attribute that uniquely identifies each column A derived attribute Any attribute ANSWER DOWNLOAD EXAMIANS APP