Recovering from the loss of an inactive redo log group.

从不活动的重做日志组的丢失中恢复。

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Recovering from the loss of the current redo log group.

从当前重做日志组的丢失中恢复。

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Recovering from the loss of an only active redo log group

从惟一活动重做日志组的丢失中恢复。

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Recovering from the loss of one member of an online redo log group.

从丢失的联机重做日志组的成员中进行恢复。

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Since the redo log group is inactive and is archived, just clear the redo log - alter database clear logfile group N (where N is the group # of the lost redo log)

由于重做日志组是不活动和归档的，所以只需清除重做日志即可 ——alterdatabaseclear logfilegroupN（其中 N 是丢失的重做日志的组 #）。

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Maintaining multiple members of an online redo log group protects against the loss of the redo log.

保存在线重做日志文件组的多个成员来保证重做日志不丢失。

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Maintaining multiple members of an online redo log group protects against the loss of the redo log.

保存在线重做日志文件组的多个成员来保证重做日志不丢失。

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