544.Your database is in NOARCHIVELOG mode. You start to do a backup, but your users complain that they dont want you to shut down the database to perform the backup. What options are available to you?
A. Put the database in hot backup mode and perform an online backup, including backing up the archived redo logs.
B. Just back up the database datafiles without shutting down the database.
C. You will have to wait until you can shut down the database to perform the backup.
D. Mark each datafile as backup in progress, back them up individually, and then mark them as backup not in progress. No archived redo logs will need to be backed up.
E. Only back up the datafiles that the user will not be touching. Once the user has finished what they were doing, you can shut down the database and back up the datafiles the user changed during the course of the remaining backup
Answer: C
您的数据库运行在NOARCHIVELOG模式。你开始做一个备份，但你的用户抱怨说他们不希望你关闭数据库来执行备份。有什么可供选择的？
C、您将不得不等待，直到您可以关闭数据库来执行备份。
非归档模式下数据库备份，必须在库关闭的情况下进行一致备份。
A. Put the database in hot backup mode and perform an online backup, including backing up the archived redo logs.
B. Just back up the database datafiles without shutting down the database.
C. You will have to wait until you can shut down the database to perform the backup.
D. Mark each datafile as backup in progress, back them up individually, and then mark them as backup not in progress. No archived redo logs will need to be backed up.
E. Only back up the datafiles that the user will not be touching. Once the user has finished what they were doing, you can shut down the database and back up the datafiles the user changed during the course of the remaining backup
Answer: C
您的数据库运行在NOARCHIVELOG模式。你开始做一个备份，但你的用户抱怨说他们不希望你关闭数据库来执行备份。有什么可供选择的？
C、您将不得不等待，直到您可以关闭数据库来执行备份。
非归档模式下数据库备份，必须在库关闭的情况下进行一致备份。
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/81227/viewspace-2125901/ ，如需转载，请注明出处，否则将追究法律责任。
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