DB 2提供了一种自动调度备份任务的机制，还可以保存事务日志，可以使用事务日志将数据库恢复到发生崩溃的时间点。

DB2 provides a mechanism to automatically schedule backups and to keep transaction logs that can be used to restore to the exact point of the crash.

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保存付款事务。

Save the payment transaction.

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事务已保存，等待从客户请求更多信息。

The transaction was saved, pending a request for more information from the customer.

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