Logical Database Design If a relation is in third normal form, it does not need to be in second normal form. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design Relations are: three-dimensional tables. four-dimensional tables. two-dimensional tables. five-dimensional tables. three-dimensional tables. four-dimensional tables. two-dimensional tables. five-dimensional tables. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A primary key may be null. True False True False ANSWER DOWNLOAD EXAMIANS APP
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. True False True False 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 When mapping a ternary relationship with an associative entity into a relation which of the following is true? Three relations are created. One relation is created. Two relations are created. Four relations are created. Three relations are created. One relation is created. Two relations are created. Four relations are created. ANSWER DOWNLOAD EXAMIANS APP