Relational Data Model and Database Constraints Multiple Choice Questions 1 PDF Download

Learn relational data model and database constraints multiple choice questions (MCQs), DBMS test 1 for online exams. Practice database constraints and relational schemas MCQs questions and answers on database constraints and relational schemas, relational model concepts with answers. Free relational data model and database constraints quiz, online study guide has helping answer key with choices as primary integrity constraint, null integrity constraint, secondary integrity constraint and entity integrity constraint of multiple choice questions as when primary key is null of new tuple then constraint violated is to test learning skills for viva exam preparation and job's interview questions. Study to learn database constraints and relational schemas quiz questions with online learning MCQs for competitive exam preparation test.

MCQ on Relational Data Model and Database Constraints Quiz PDF Download Test 1

MCQ. When the primary key is null of the new tuple then the constraint violated is

  1. null integrity constraint
  2. primary integrity constraint
  3. secondary integrity constraint
  4. entity integrity constraint

D

MCQ. In formal relational model, the set of indivisible values is called

  1. range
  2. domain
  3. relation
  4. tuple

B

MCQ. In relational model terminology, the table is considered as

  1. range
  2. domain
  3. relation
  4. tuple

C

MCQ. The key which specifies that two different tuples cannot have the same value is classified as

  1. super key
  2. simple key
  3. parallel key
  4. conceptual key

A

MCQ. The format or data type must be specified for

  1. table ender
  2. entity domain
  3. range
  4. domain

D