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
Logical Database Design When mapping a regular entity 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 Well-structured relations encourage anomalies of data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A candidate key must uniquely identify each row. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design Weak entities do not get mapped into a relation. False True False True 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 Third normal form Fourth normal form Second normal form First normal form Third normal form Fourth normal form ANSWER DOWNLOAD EXAMIANS APP
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