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Database Systems MCQs

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DBMS Keys MCQ with Answers

DBMS Keys Multiple Choice Questions (MCQ) to practice dbms keys quiz answers PDF, data sciencems keys worksheets for online degrees. Solve introduction to rdbms Multiple Choice Questions and Answers (MCQs), "DBMS Keys Quiz Questions" and answers for best online schools for computer science. Learn dbms keys, structure of relational model test prep for accelerated computer science degree online.

"A property of the entire relation, rather than of the individual tuples, is known as" Multiple Choice Questions (MCQ) on dbms keys with choices attribute, constant, variable, and key for best online schools for computer science. Solve dbms keys quiz questions for merit scholarship test and certificate programs for online software development courses.

MCQs on DBMS Keys

1.

A property of the entire relation, rather than of the individual tuples, is known as

Attribute
Constant
Variable
Key

2.

The address field of a person should not be part of the primary key, since it is likely to

Dependent
Changed
Not changed
Too long

3.

The primary key should be chosen such that its attribute values are

Updated
Dependent
Changed
Never changed

4.

We are often interested in superkeys for which no proper subset is a

Superset key
Superkey
Primary key
Unique key

5.

Minimal superkeys are called

Unique key
Superset key
Candidate key
Primary key