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 course prep exams. Practice database constraints and relational schemas MCQs questions and answers on database constraints and relational schemas, relational model concepts for computer technician school exam prep.

Free relational data model and database constraints quiz online, study guide has multiple choice question on when primary key is null of new tuple then constraint violated is with options primary integrity constraint, null integrity constraint, secondary integrity constraint and entity integrity constraint to test online e-learning skills for viva exam prep and job's interview questions with answers key. 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 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