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Database Systems Competitive Exam MCQs – Practice Test 29 (Chapter 4)

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Database Design and ER Model MCQs – Practice Test 29 PDF Download

MCQ 141: In designing a database using the E-R model, the first step is to:

  1. Identify entity sets
  2. Identify roles
  3. Identify relationships
  4. Identify domain

MCQ 142: At the logical-design phase, the high-level conceptual schema is mapped onto the implementation:

  1. Data model
  2. Data model
  3. Data requirements
  4. Data specifications

MCQ 143: Attributes are descriptive properties possessed by each member of an:

  1. Entity
  2. Entity set
  3. Logical set
  4. Physical set

MCQ 144: The physical features of a database are specified at the phase:

  1. Contextual-design phase
  2. Virtual-design phase
  3. Physical-design phase
  4. Logical-design phase

MCQ 145: The conceptual framework specifies the:

  1. Structure
  2. Systematic fashion
  3. Models
  4. Tools

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