Logical Database Design The primary key of the new relation in a many-to-many relationship is a composite key comprised of the primary keys of each of the binary entities. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A primary key may be null. True False True False ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design An enterprise key is a primary key whose value is unique for a given relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design When mapping a ternary relationship with an associative entity into a relation which of the following is true? Two relations are created. Three relations are created. One relation is created. Four relations are created. Two relations are created. Three relations are created. One relation is created. Four 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
Logical Database Design A candidate key must uniquely identify each row. False True False True ANSWER DOWNLOAD EXAMIANS APP