DBMS Keys Quiz Questions and Answers 302 PDF Download

Practice dbms keys quiz, db quiz online 302 to learn. Free db MCQs questions and answers to learn dbms keys MCQs with answers. Practice MCQs to test knowledge on dbms keys, model view controller (mvc), view of data, relational algebra worksheets.

Free dbms keys worksheet has multiple choice quiz question as To denote a candidate key as principal means of identifying tuples within a relation, is known to be, answer key with choices as Super key , Unique key , Primary key and superset key problem solving to test study skills. For viva learning help and jobs' interview preparation tips, study online introduction to rdbms multiple choice questions based quiz question and answers.

Quiz on DBMS Keys Quiz PDF Download Worksheet 302

DBMS Keys Quiz

MCQ. To denote a candidate key as the principal means of identifying tuples within a relation, is known to be

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

C

Model View Controller (MVC) Quiz

MCQ. In the model-view-controller (MVC) architecture, the view corresponds to the

  1. Interface layer
  2. Data-access layer
  3. Domain object layer
  4. Business-logic layer

A

View of Data Quiz

MCQ. At the physical level a record can be described as a

  1. bit
  2. Byte
  3. Block
  4. Data type

C

View of Data Quiz

MCQ. The values of the variables in a program at a point in time correspond to an

  1. Instance of schema
  2. Block of schema
  3. Point in schema
  4. Boundary of schema

A

Relational Algebra Quiz

MCQ. The join operation that takes all tuples in left relation that is not matching with any tuple in the right relation, is called

  1. Right outer join
  2. Full outer join
  3. Left outer join
  4. Natural outer join

C