Which of these anomalies is also known as WW (Write–Write) conflict?

2022

Which of these anomalies is also known as WW (Write–Write) conflict?

  1. A.

    Dirty Read

  2. B.

    Unrepeatable Read

  3. C.

    Lost Update

  4. D.

    Write Update

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Correct answer: C

WW conflict = two transactions write the same item → one overwrites another → Lost Update anomaly.

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