Database Systems MCQs (Computer Science) From Textbook

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Database Systems MCQs – Practice Test 6 (Chapter 4)

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The MCQ: Time critical systems, focuses on having the factor of; "Database Systems MCQ" App (Android, iOS) with answers: low response time, high response time, low throughput, and high throughput to study online certification courses. Practice Application Security Quiz Questions, download Apple Book (Free Chapter) for 2 year computer science degree.

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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