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Database Systems MCQs – Practice Test 64 (Chapter 13)

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Learn Introduction to DBMS Notes Questions and Answers PDF for online database courses. Download the Introduction to DBMS Quiz Answers PDF e-Book, Ch. 13-64 to learn Database Systems Course. Solve Specialty Databases MCQs, Introduction to DBMS MCQs questions and answers PDF for online database courses. Download the Introduction to DBMS Study App: Free Database Systems Notes App to learn purpose of database systems, database design, view of data career test to enhance data science.

Free Introduction to DBMS Notes App Download: Process of controlling access to the data stored in database, is known as; MCQ with answers: security problems, isolation problems, concurrent-access anomalies, and integrity problems. Practice Ordered Indices Quiz Questions, download Kobo e-Book (Free Chapter) for online database 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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