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 If a relation is in third normal form, it does not need to be in second normal form. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A primary key is which of the following? A derived attribute An attribute that uniquely identifies each row An attribute that uniquely identifies each column Any attribute A derived attribute An attribute that uniquely identifies each row An attribute that uniquely identifies each column Any attribute ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A composite attribute does not get mapped into a relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design The primary key in a relation does not need to be underlined. True False True False ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A relation has which of the following properties? Each relation has a unique name. Attributes can have the same name within a given table. The order of the columns is significant. Each row is not unique. Each relation has a unique name. Attributes can have the same name within a given table. The order of the columns is significant. Each row is not unique. ANSWER DOWNLOAD EXAMIANS APP
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