Mastering Transactions in Computer Systems and Databases Quiz
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Questions and Answers

Which of the following is NOT a purpose of a database transaction?

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

    • What are the possible states of a transaction?

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

    • What is the meaning of atomicity in a transaction?

  • The transaction is isolated from other concurrent programs
  • The transaction is the logical working unit of a database
  • The transaction is regarded as a whole (correct)
  • The transaction can be restored from a failure

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

    <p>To prevent data corruption (B)</p> Signup and view all the answers

    What is a transaction in the context of a database?

    <p>A series of operations for accessing or updating data (D)</p> Signup and view all the answers

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