DBMS Keys MCQs Quiz Online PDF Book Download

Dbms keys MCQs, dbms keys quiz answers to learn online data analytics courses. Introduction to rdbms multiple choice questions (MCQs), dbms keys quiz questions and answers for data science certification. Structure of relational model, schema diagrams, dbms keys test prep, career assessment test for big data certification.

Practice introduction to rdbms test MCQs: a property of entire relation, rather than of individual tuples, is known as, with choices attribute, constant, variable, and key for data science certification. Prepare assessment test for scholarships, online learning dbms keys quiz questions for competitive assessment in computer science major for data science certification.

MCQ on DBMS Keys Quiz Book Download

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

  1. Attribute
  2. Constant
  3. Variable
  4. Key

D

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

  1. Dependent
  2. Changed
  3. Not changed
  4. Too long

B

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

  1. Updated
  2. Dependent
  3. Changed
  4. Never changed

D

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

  1. Superset key
  2. Superkey
  3. Primary key
  4. Unique key

B

MCQ: Minimal superkeys are called

  1. Unique key
  2. Superset key
  3. Candidate key
  4. Primary key

C