Logical Database Design A composite attribute does not get mapped into a relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A primary key is which of the following? Any attribute An attribute that uniquely identifies each column A derived attribute An attribute that uniquely identifies each row Any attribute An attribute that uniquely identifies each column A derived attribute An attribute that uniquely identifies each row 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. Each row is not unique. The order of the columns is significant. Each relation has a unique name. Attributes can have the same name within a given table. Each row is not unique. The order of the columns is significant. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design Weak entities do not get mapped into a relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design Relations are: five-dimensional tables. two-dimensional tables. four-dimensional tables. three-dimensional tables. five-dimensional tables. two-dimensional tables. four-dimensional tables. three-dimensional tables. 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? Second normal form First normal form Fourth normal form Third normal form Second normal form First normal form Fourth normal form Third normal form ANSWER DOWNLOAD EXAMIANS APP
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