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Database Systems MCQs – Practice Test 6 (Chapter 4)

Database Design and ER Model MCQ with Answers PDF Download – Test 6

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Database Design and ER Model MCQ – Practice Test 6 PDF Download

MCQ 26: Time critical systems, focuses on having the factor of:

  1. High response time
  2. Low response time
  3. Low throughput
  4. High throughput

MCQ 27: By default, the generalization type applied is:

  1. Dependent specialization
  2. Partial specialization
  3. Complete specialization
  4. Total specialization

MCQ 28: An abstraction through which relationships are treated as higher-level entities, is known as:

  1. Aggregation
  2. Tabulation
  3. Simulation
  4. Patriotization

MCQ 29: An entity set E in a relationship set R is said to be total if every entity in E participates in:

  1. At least one relationship in R
  2. All relationships in R
  3. None relationship in R
  4. Few relationship in R

MCQ 30: In an E-R diagram, the attributes of a relationship set is represented by:

  1. Circle
  2. Square
  3. Divided rectangle
  4. Undivided rectangle

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