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Are all serial schedules serializable? Yes Impossible to determine Are conflict-equivalent schedules guaranteed to have the same final effect on the database? Yes No Impossible

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Are all serial schedules serializable? Yes Impossible to determine Are conflict-equivalent schedules guaranteed to have the same final effect on the database? Yes No Impossible to determine Locking schedulers enforce which guarantees on the legal schedules? Consistency Efficiency Conflict-Serializability Reproducibility Serializability

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