Logical Database Design A relation has which of the following properties? Each row is not unique. Each relation has a unique name. The order of the columns is significant. Attributes can have the same name within a given table. Each row is not unique. Each relation has a unique name. The order of the columns is significant. Attributes can have the same name within a given table. 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? Third normal form Second normal form First normal form Fourth normal form Third normal form Second normal form First normal form Fourth normal form ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design When mapping a many-to-many unary relationship into a relation which of the following is true? Three relations are created. Two relations are created. One relation is created. Four relations are created. Three relations are created. Two relations are created. One relation is created. Four relations are 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 When mapping a regular entity 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 In a 1:M relationship, the primary key on the one side migrates to the many side to become the foreign key on the many side. False True False True ANSWER DOWNLOAD EXAMIANS APP
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