DBMS Keys MCQs Quiz Online PDF Download

Learn dbms keys MCQs, database management system test for learning online courses and test prep to practice. Introduction to rdbms quiz has multiple choice questions (MCQ), dbms keys quiz questions and answers, dbms keys tutorials for online computer science courses distance learning.

Database management system practice test MCQ: a property of entire relation, rather than of individual tuples, is known as with choices attribute, constant , variable and key for distance education for online masters degree and bachelor's degree distance learning exams. Free study guide is for online learning dbms keys quiz with MCQs to practice test questions with answers.

MCQs on DBMS Keys Quiz PDF 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