When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n):
A. Transitive Dependency
B. Insertion Anomaly
C. Referential Integrity Constraint
D. Normal Form
Answer:A
When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n):
A. Transitive Dependency B. Insertion Anomaly C. Referential Integrity Constraint D. Normal Form