What is Database System Quiz Questions and Answers 346 PDF Download

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Quiz on What is Database System Worksheet 346 Quiz PDF Download

What is Database System Quiz

MCQ: Different users can have access to same data, possibly even at same time, is known as

  1. Shared-time access
  2. Current access
  3. Real-time access
  4. Concurrent access


Tuple Relational Calculus Quiz

MCQ: A query expression in tuple relational calculus is done as

  1. {p| P(t)}
  2. {p| t(p)}
  3. {t| P(t)}
  4. {p| t(t)}


Database Languages Quiz

MCQ: Database system before reading or modifying actual data, consults the

  1. Physical level
  2. Model
  3. Data dictionary
  4. View level


Functions and Procedures Quiz

MCQ: External language procedures need to deal with null values in

  1. In parameters
  2. Out parameters
  3. Exit parameters
  4. Both A and B


Modification of Database Quiz

MCQ: Final result of delete would depend on order in which tuples are

  1. Stored
  2. Retrieved
  3. Processed
  4. Tested