Logical Database Design If no multivalued attributes exist in a relation, then the relation is in what normal form? First normal form Fourth normal form Second normal form Third normal form First normal form Fourth normal form Second normal form Third normal form ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design Relations are: two-dimensional tables. four-dimensional tables. five-dimensional tables. three-dimensional tables. two-dimensional tables. four-dimensional tables. five-dimensional tables. three-dimensional tables. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A primary key may be null. False True False True 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 candidate key must uniquely identify each row. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A relation has which of the following properties? Attributes can have the same name within a given table. The order of the columns is significant. Each relation has a unique name. Each row is not unique. Attributes can have the same name within a given table. The order of the columns is significant. Each relation has a unique name. Each row is not unique. ANSWER DOWNLOAD EXAMIANS APP