Logical Database Design Relations are: three-dimensional tables. four-dimensional tables. five-dimensional tables. two-dimensional tables. three-dimensional tables. four-dimensional tables. five-dimensional tables. two-dimensional tables. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A foreign key is which of the following? An attribute that serves as the primary key of another relation Any attribute An attribute that serves no purpose The same thing as a primary key An attribute that serves as the primary key of another relation Any attribute An attribute that serves no purpose The same thing as a primary key ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design The relational model consists of: unorganized data. data redundancy. data in the form of tables. operations using non-SQL languages. unorganized data. data redundancy. data in the form of tables. operations using non-SQL languages. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A composite attribute does not get mapped into a relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A null value is assigned when no other value applies. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design The primary key in a relation does not need to be underlined. False True False True ANSWER DOWNLOAD EXAMIANS APP