Logical Database Design Normalization is a formal process for deciding which attributes should be grouped together in a relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A primary key is which of the following? A derived attribute Any attribute An attribute that uniquely identifies each column An attribute that uniquely identifies each row A derived attribute Any attribute An attribute that uniquely identifies each column An attribute that uniquely identifies each row ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design If no multivalued attributes 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 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 When mapping a multivalued attribute into a relation which of the following is true? Two relations are created. Four relations are created. Three relations are created. One relation is created. Two relations are created. Four relations are created. Three relations are created. One relation is created. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design When mapping a many-to-many unary relationship into a relation which of the following is true? Four relations are created. Two relations are created. One relation is created. Three relations are created. Four relations are created. Two relations are created. One relation is created. Three relations are created. ANSWER DOWNLOAD EXAMIANS APP
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