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Durability can be achieved by flushing the transaction's log records to [[non-volatile storage]] before acknowledging commitment.
In [[distributed transaction]]s, all participating servers must coordinate before commit can be acknowledged. This is usually done by a [[two-phase commit
Many DBMSs implement durability by writing transactions into a transaction log that can be reprocessed to recreate the system state right before any later failure. A transaction is deemed committed only after it is entered in the log.
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