Introduction to Database System A compound key uniquely identifies an item in a list is made up a several pieces of information is a combination of each unique key None of these both (a) and (b) uniquely identifies an item in a list is made up a several pieces of information is a combination of each unique key None of these both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in this form if it is in BCNF and has no multivalued dependencies: second normal form. domain/key normal form. fourth normal form. third normal form. second normal form. domain/key normal form. fourth normal form. third normal form. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier typically uses more than one attribute. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data security threats include all of the listed here privacy invasion fraudulent manipulation of data hardware failure all of the listed here privacy invasion fraudulent manipulation of data hardware failure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Relationship classes are associations between entity classes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be None of these a compound key consisting of the first name and the last name the pin code All of these the last name None of these a compound key consisting of the first name and the last name the pin code All of these the last name ANSWER DOWNLOAD EXAMIANS APP
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