DBMS Keys Quiz Questions and Answers 302 PDF Download

Learn dbms keys quiz, online db test 302 for online courses, distance learning. 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 for online graduate programs test prep.

Free dbms keys course 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 with options Super key , Unique key , Primary key and superset key with problems solving answer key to test study skills for online e-learning, viva help and jobs' interview preparation tips, study 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 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 model-view-controller (MVC) architecture, 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 physical level a record can be described as a

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

C

View of Data Quiz

MCQ. Values of 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. Join operation that takes all tuples in left relation that is not matching with any tuple in right relation, is called

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

C