Online GK Series

This site is dedicated to the aspirants of competitive exams SSC, UPSC, Railways, Postal Assistants, Bank, GATE and NET


The union of Primary keys of the related entity sets becomes a ________ of the relation.

A Super Key
B Candidate Key
C Foreign Key
D Primary Key
Answer & Explanation
Option: [A]

Your Valuable Comments Please...

Useful Computer Science EBooks