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Database Systems Practice Tests


Database Systems Tests

DBMS Keys MCQ Quiz PDF Download

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The MCQ: A property of the entire relation, rather than of the individual tuples, is known as PDF, DBMS Keys App Download (Free) with attribute, constant, variable, and key choices for best online schools for computer science. Study dbms keys quiz questions, download Amazon eBook (Free Sample) for online software development courses.

Database Systems: DBMS Keys MCQs PDF Download

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

A) Attribute
B) Constant
C) Variable
D) Key

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

A) Dependent
B) Changed
C) Not changed
D) Too long

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

A) Updated
B) Dependent
C) Changed
D) Never changed

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

A) Superset key
B) Superkey
C) Primary key
D) Unique key

MCQ: Minimal superkeys are called

A) Unique key
B) Superset key
C) Candidate key
D) Primary key

Practice Tests: Database Systems Exam Prep

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