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数据库可生存性要求在发现受损数据时采用受损限制技术， 以尽快隔离受损数据从而防止由于数据共享造成受损范围进一步扩大带来的危害。
The survivability requires the database system to have an ability to isolate corrupted data after an intrusion activity is detected, so as to avoid damage spreading due to share of corrupted data.
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