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Database Systems MCQs (Computer Science) From Textbook

Database Systems MCQs – Practice Test 64 (Chapter 13)

Introduction to DBMS Notes Questions with Answers PDF Download – Test 64

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Introduction to DBMS MCQs – Practice Test 64 PDF Download

MCQ 316: Database systems based on the object-oriented data model were developed, in the late:

  1. 1960s
  2. 1970s
  3. 1980s
  4. 1990s

MCQ 317: The Process of controlling access to the data stored in database, is known as:

  1. Isolation Problems
  2. Security Problems
  3. Concurrent-access anomalies
  4. Integrity problems

MCQ 318: An unknown value may be either:

  1. Missing or not known
  2. Not known or not missing
  3. Missing but known
  4. Known but not missing

MCQ 319: Data model that permits the specification of data where individual data items of same type may have different sets of attributes, is known as:

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

MCQ 320: The various copies of the same data may no longer agree, is the process known as:

  1. Data redundancy
  2. Data Isolation
  3. Data Duplication
  4. Data Inconsistency

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