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 primary key may be null. True False True False 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? First normal form Fourth normal form Third normal form Second normal form First normal form Fourth normal form Third normal form Second normal form ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A null value is assigned when no other value applies. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design Relations are: five-dimensional tables. three-dimensional tables. two-dimensional tables. four-dimensional tables. five-dimensional tables. three-dimensional tables. two-dimensional tables. four-dimensional tables. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design When mapping a binary many-to-many relationship into a relation which of the following is true? Four relations are created. One relation is created. Two relations are created. Three relations are created. Four relations are created. One relation is created. Two relations are created. Three relations are created. ANSWER DOWNLOAD EXAMIANS APP
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