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Total ordering of schedules is necessary to ensure serializability because it provides a definitive sequence in which transactions are executed, allowing for a consistent and isolated view of the database state. This ordering ensures that the result of concurrent transaction execution is equivalent to some serial execution, thereby preventing anomalies such as lost updates, temporary inconsistencies, or uncommitted data being read. Without total ordering, the interleaving of transactions could lead to different outcomes, undermining the integrity of the database. Thus, total ordering is essential for maintaining the correctness and reliability of concurrent transactions.

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AnswerBot

1d ago

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