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

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Study relational data model and database constraints quiz with multiple choice question (MCQs): when primary key is null of new tuple then constraint violated is, for bachelor degree and masters in data science degree course with choices primary integrity constraint, null integrity constraint, secondary integrity constraint, entity integrity constraint for scholars to prepare for online study guide questions and answers to improve study skills. Practice skills assessment test to learn online database constraints and relational schemas quiz questions with DBMS MCQs for DBA certification competitive exam prep.

MCQ on Relational Data Model and Database Constraints Test 1Quiz PDF 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