1.

A _______________ key is a minimal super key(a) Primary(b) Foreign(c) Candidate(d) Non-PrimeI had been asked this question in quiz.My question is based upon Foreign, Candidate, Primary, Composite, Unique Keys topic in section Planning Oracle Applications of Oracle

Answer»

Right CHOICE is (C) CANDIDATE

The explanation: In the relational model of databases, a candidate key of a relation is a MINIMAL SUPERKEY for that relation.



Discussion

No Comment Found

Related InterviewSolutions