OCP-083第一题

最新推荐文章于 2025-08-04 22:39:37 发布

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Which two are true about reclaiming space used by Flashback logs in Oracle Database 19c and later releases?
A)Space is only reclaimed when there is space pressure in the Fast Recovery Area(FRA)
B)Space is always reclaimed automatically when the retention period for Flashback logs is lowered C)Space might be reclaimed proactively before space pressure occurs
D)Space is always reclaimed proactively before space pressure occurs
E) Space might be reclaimed automatically when the retention period for Flashback logs is lowered Answer:CE

翻译：
哪两个是真实的回收空间的闪回日志在Oracle数据库19c和以后的版本？
A)只有在快速恢复区（FRA）存在空间压力时才回收空间。
B)当Flashback日志保留期降低时，总是自动回收空间C)在空间压力发生之前，可以主动回收空间
D)总是在空间压力发生之前主动回收空间
E)当闪回日志保留期降低时，可能会自动回收空间。答案：CE