DBMS Learning Notes & Technology Articles

Relational Data Model and Database Constraints Multiple Choice Questions Test 1 Tests pdf Download

Practice relational data model and database constraints multiple choice questions (MCQs), DBMS test 1 online to learn. Practice database constraints & 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 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. Study to learn database constraints & relational schemas quiz questions to practice MCQ based online 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