联机重做日志文件 online redo log file ; redo log ; ONLINE LOG FILE
归档重做日志文件 Archived Redo Log Files ; Archived log files
清空重做日志文件 clearing online redo log files ; clearing redo log file
重做日记文件 Redo files ; redo log file
删除重做日志文件 drop online redo log members
增加一个重做日志文件 adding online redo log members
重做日志文件 redo log file
文件重做 control file redo
改变重做日志文件名 changes the name of the online redo logfile
重做文件：这相当于 DB2 中的事务日志。
当你需要重做文件，修理电器，或重新审视已有想法，打起精神去做吧。
When you discover you have to redo a document, repair an appliance, or re-examine an assumption, do so with a good spirit.
既然您确认丢失的重做文件是active重做日志，那么现在就可以关闭数据库——shutdown immediate。
Now that you are confirmed that the lost redo file is an ACTIVE redo log, shutdown the database - shutdown immediate.
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