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 candidate key must uniquely identify each row. True False True False ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A foreign key is which of the following? Any attribute An attribute that serves as the primary key of another relation The same thing as a primary key An attribute that serves no purpose Any attribute An attribute that serves as the primary key of another relation The same thing as a primary key An attribute that serves no purpose ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A primary key may be null. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design When mapping a multivalued attribute into a relation which of the following is true? Three relations are created. 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. 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 Third normal form Second normal form Fourth normal form First normal form Third normal form Second normal form Fourth normal form ANSWER DOWNLOAD EXAMIANS APP
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