Relational Data Model and Database Constraints Multiple Choice Questions and Answers 1 pdf eBooks Download

Learn relational data model and database constraints multiple choice questions (MCQs), DBMS test 1 online for 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 (MCQ) 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 to practice online MCQs for competitive exam preparation test.

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

MCQ. When primary key is null of new tuple then 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, set of indivisible values is called

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

B

MCQ. In relational model terminology, table is considered as

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

C

MCQ. Key which specifies that two different tuples cannot have same value is classified as

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

A

MCQ. Format or data type must be specified for

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

D