DBMS Keys MCQs Quiz Online PDF Book Download

Dbms keys MCQs, dbms keys quiz answers to learn data analytics courses online. Introduction to rdbms multiple choice questions (MCQs), dbms keys quiz questions and answers for information technology programs online. Learn structure of relational model, schema diagrams, dbms keys test prep for big data certification.

Learn 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 information technology programs online. Practice merit scholarships assessment test, 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