试题详情
- 单项选择题Which statement is true about the loss of system/x7fcritical data files in ARCHIVELOG mode？（）
A、The data files can be recovered till the last committed transaction.
B、The data files can be recovered without shutting down the database.
C、The data file is taken offline automatically; the database remains open.
D、The data files can be recovered to the time of the most recent backup.
- A
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