Explanation:None. 7. ______ is a special type of integrity constraint that relates two relations & maintains consistency across the relations.
A. Entity Integrity Constraints
B. Referential Integrity Constraints
C. Domain Integrity Constraints
D. Domain Constraints
Answer:A
Explanation:None. 7. ______ is a special type of integrity constraint that relates two relations & maintains consistency across the relations.
A. Entity Integrity Constraints B. Referential Integrity Constraints C. Domain Integrity Constraints D. Domain Constraints
Explanation:None. 8. Which one of the following uniquely identifies the elements in the relation?