Mastering Transactions in Computer Systems and Databases Quiz
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Questions and Answers

Which of the following best describes a transaction in computer terminology?

  • A method for restoring the database operation sequence from a failure
  • A sequence of read/write operations on the database
  • A series of operations for accessing or updating data in the system (correct)
  • Isolation between programs accessing a database

    • Which of the following is the main purpose of transactions in a database environment?

  • To ensure atomicity of transactions
  • To ensure consistency of the database
  • To provide isolation between programs accessing a database concurrently (correct)
  • To provide a method for restoring the database operation sequence from a failure

    • Which of the following states can a transaction be in at any time?

  • Active, committed, and completed
  • Active, committed, and terminated
  • Active, committed, and failed (correct)
  • Active, committed, and aborted

    • Which of the following is the meaning of atomicity in a transaction?

    <p>The transaction being regarded as a whole (D)</p> Signup and view all the answers

    What is the purpose of providing isolation between programs accessing a database concurrently?

    <p>To prevent interference between programs (A)</p> Signup and view all the answers

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