_______ constraints ensure that a value that appears in one relation for a given set of attributes also appears for a certain set of attributes in another relation.
A. Logical Integrity
B. Referential Integrity
C. Domain Integrity
D. Data Integrity
Answer:B
_______ constraints ensure that a value that appears in one relation for a given set of attributes also appears for a certain set of attributes in another relation.
A. Logical Integrity B. Referential Integrity C. Domain Integrity D. Data Integrity