In the prepare phase of the two-phase commit process, the updated data is written to a log at each site but not to the database at each site.

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During the prepare phase, the updated data is written to a log at each site but not yet written to the database at each site. This allows for a roll-back in case of a failure during the second phase of the commit process.

In the Prepare Phase of the Two-Phase Commit Process, the Updated