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Database Design and ER Model Quiz – Practice Test 11 PDF Download

MCQ 51: In an entity relationship model, an association among several entities is known as:

  1. Relationship
  2. Connection
  3. Participation
  4. Synchronization

MCQ 52: In an undivided rectangle of E-R diagram, the attributes that are part of the primary key are:

  1. Underlined
  2. Bold
  3. Capitalized
  4. Italic

MCQ 53: UML diagrams that shows the system components along with their interconnections, is known as:

  1. Class diagram
  2. Use case diagram
  3. Implementation diagram
  4. Activity diagram

MCQ 54: Like attribute inheritance, the inheritance that applies through all tiers of lower-level entity sets, is known to be:

  1. Participation inheritance
  2. Execution inheritance
  3. Existence inheritance
  4. Dependency inheritance

MCQ 55: The phase in which the output returns a specification of user requirements, is known to be:

  1. Conceptual schema
  2. Gathering data needs
  3. Choosing data model
  4. Conceptual schema

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