DBMS Keys MCQs Quiz Online PDF Download

Dbms keys MCQs, learn dbms online test prep for IT degree, online courses. Practice introduction to rdbms multiple choice questions (MCQs), dbms keys quiz questions and answers. Career test prep on dbms keys, structure of relational model aptitude test for online computer science courses distance learning.

Study introduction to rdbms aptitude test MCQs: a property of entire relation, rather than of individual tuples, is known as, for free online computer science courses with choices attribute, constant , variable, key for distance education for online masters degree and bachelor's degree distance learning exams. Free skills assessment test is for online learning dbms keys quiz questions with MCQs, exam preparation questions and 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