Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test DBMS Introduction and ER Model Database Introduction
Consider attributes ID, CITY and NAME. Which one of this can be considered as a super key?
1
NAME.html
2
ID
3
CITY
4
More than one of the above
5
None of the above