Database Systems MCQs (Computer Science) From Textbook

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Database Systems MCQs – Practice Test 64 (Chapter 13)

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The MCQ: Database systems based on the object-oriented data model were developed, in the late; "Database Systems Notes" App APK Download with answers: 1970s, 1960s, 1980s, and 1990s to study software engineering courses. Practice Ordered Indices Quiz Questions, download Kobo e-Book (Free Chapter) to study software engineering courses.

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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