Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test DBMS Introduction and ER Model ER Model
A _______ integrity constraint requires that the values appearing in specified attributes of any tuple in the referencing relation also appear in specified attributes of at least one tuple in the referenced relation.
1
Referential
2
Referencing
3
Specific
4
More than one of the above
5
None of the above