ER Diagrams MCQs Quiz Online PDF Download

Learn er diagrams MCQs online, DBMS test for e-learning degree online courses, career test prep. Practice data modeling: entity relationship model multiple choice questions (MCQs), er diagrams quiz questions and answers, entity types, sets, attributes and keys, erm types constraints, er diagrams tutorials for online database engine courses distance learning.

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MCQs on ER DiagramsQuiz PDF Download

MCQ: In ER diagrams, rectangles are used to denote

  1. entity types
  2. attribute types
  3. key types
  4. structure types

A

MCQ: In constructing ER diagrams, double ovals are used to denote

  1. multi-value table
  2. multi-value entity
  3. multi-value attributes
  4. multi-value key

C

MCQ: Derived attributes in entity relationship diagrams are denoted by

  1. dotted triangle
  2. dotted rectangle
  3. dotted oval
  4. dotted square

C

MCQ: Weak entities are used in entity relationship diagrams and are denoted by

  1. double rectangles
  2. double square
  3. double ovals
  4. double squares

A