Logical Database Design A relation has which of the following properties? Each row is not unique. Attributes can have the same name within a given table. Each relation has a unique name. The order of the columns is significant. Each row is not unique. Attributes can have the same name within a given table. Each relation has a unique name. The order of the columns is significant. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design The primary key in a relation does not need to be underlined. 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? Fourth normal form Third normal form Second normal form First normal form Fourth normal form Third normal form Second normal form First normal form 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? Third normal form Second normal form Fourth normal form First normal form Third normal form Second normal form Fourth normal form First normal form ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design An enterprise key is a primary key whose value is unique for a given relation. True False True False 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