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Because of hardware failure， you decided to drop a redo log member from the database. Which condition should be met to drop a redo log file？（）
A: The redo log file should belong to an active group.
B: The redo log file should belong to an inactive group.
C: The redo log file should belong to the current group.
D: The redo log file can be dropped only if all the transactions are stopped.
E: Before a redo log file is dropped， it should be deleted from the operating system （OS）.

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出自：Oracle认证

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