Logical Database Design A transitive dependency is which of the following? A relation that is in second normal form. A functional dependency between two or more key attributes. A relation that is in first normal form. A functional dependency between two or more nonkey attributes. A relation that is in second normal form. A functional dependency between two or more key attributes. A relation that is in first normal form. A functional dependency between two or more nonkey attributes. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design Relations are: two-dimensional tables. four-dimensional tables. three-dimensional tables. five-dimensional tables. two-dimensional tables. four-dimensional tables. three-dimensional tables. five-dimensional tables. 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 foreign key is which of the following? Any attribute An attribute that serves no purpose An attribute that serves as the primary key of another relation The same thing as a primary key Any attribute An attribute that serves no purpose An attribute that serves as the primary key of another relation The same thing as a primary key 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
Logical Database Design A foreign key may be null and still adhere to the referential integrity constraint. False True False True ANSWER DOWNLOAD EXAMIANS APP