Q:

What is the mechanism which guarantees that all database servers participating in a distributed transaction either all commit or all roll back the statements in the transaction?

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What is the mechanism which guarantees that all database servers participating in a distributed transaction either all commit or all roll back the statements in the transaction?


  1. Commit
  2. Commit transaction
  3. Two-phase commit
  4. Three-phase commit

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 (c).Two-phase commit

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