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Database Systems Competitive Exam MCQs – Practice Test 45 (Chapter 13)

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Introduction to DBMS MCQs – Practice Test 45 PDF Download

MCQ 221: The types of database knowledge is represented through equations relating:

  1. Functions
  2. Variables
  3. Processes
  4. Patterns

MCQ 222: During the execution of a transaction, it may be necessary to allow:

  1. Consistency
  2. Inconsistency
  3. Durability
  4. Atomicity

MCQ 223: Information retrieval systems have much in common with:

  1. Filing systems
  2. Transaction systems
  3. Database systems
  4. Management systems

MCQ 224: A data model that can be seen as extension of E-R model with notions of encapsulation, functions and object identity, is known as:

  1. Semi-structured data model
  2. Entity relationship model
  3. Object-based Data model
  4. Relational Model

MCQ 225: The logical schema describes the database design at the:

  1. Logical level
  2. Physical level
  3. View level
  4. Virtual level

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