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

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MCQ on Relational Data Model & Database Constraints Test 1Quiz Book Download

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