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

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Learn relational data model and database constraints test with multiple choice question: when primary key is null of new tuple then constraint violated is, with choices primary integrity constraint, null integrity constraint, secondary integrity constraint, and entity integrity constraint for online data and analytics degree. Practice jobs' assessment test for online learning database constraints and relational schemas quiz questions for computer science major, competitive assessment tests for data analytics certification.

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