恢复层的关键技术 ： 快照 (Snapshot) ， 连续数据复制 (Continuous-capture replication) ， 数据归类 (Data classification) 保护层的关键技术 基于磁盘的备份，D2D 和D2D2T，灵活的备份副本管理：内嵌拷贝、可选拷贝和...
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但其描述机制确保了将数据连续地从 IWH.EDITION 复制到 WIP_FULL_ARCHIVE 表，并且提供了每个版本整个生存期的全部历史记录。
The described mechanism ensures a continuous replication of data from the IWH.EDITION to the WIP_FULL_ARCHIVE table, and provides a complete history of the entire life of each edition.
数据保护是一系列计算出的风险，像快照、连续数据保护(CDP)、复制和RAID技术都无法提供绝对的安全保障。
Data protection is always a series of calculated risks, and even such technologies as snapshots, continuous data protection (CDP), replication, and RAID are not absolute guarantees of security.
本主题说明为本地连续复制(LCR)启用的活动数据库及其日志文件已损坏时，如何恢复数据。
This topic explains how to recover data when an active database and its log files that are enabled for local continuous replication (LCR) become corrupt.
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