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ocp-192
QUESTION NO: 192 Which type of backup must be performed first with an incremental backup?A. Level 1 B. Level 0 C. Level 2 D. Level 3 Answer: B哪种类型的备份必须先于增量备份执行? B. Level 0 0级别...
分类:其他好文   时间:2015-10-08 14:45:03    阅读次数:158
ocp-189
QUESTION NO: 189 Which is the correct command to back up the database, back up the archived redo logs, and then remove the backed-up archived redo logs? A. backup database B. backup database and a...
分类:其他好文   时间:2015-10-08 09:12:21    阅读次数:219
ocp-190
QUESTION NO: 190 Which of the following best describes a full backup?A. All datafiles of a database B. All datafiles, archive logs, and control files C. All datafiles and control files D. All the u...
分类:其他好文   时间:2015-10-08 09:10:36    阅读次数:177
Linux系统下sendmail发送邮件失败的问题
问题是:安装完sendmail,启动服务后,发送邮件第一次发送成功,后面再次无论怎么发送都不行,换邮箱也不行。在确认我的邮件发送格式正确无误后,想到查看邮件发送日志:[root@backup-11 ~]# tail -20 /var/log/maillogOct 6 23:26:40 backup....
分类:系统相关   时间:2015-10-08 00:23:19    阅读次数:349
ocp-151
QUESTION NO: 151 Which command will result in a trace file being created with the create controlfile command contained in it? A. alter database backup controlfile; B. alter database backup controlf...
分类:其他好文   时间:2015-10-07 14:51:09    阅读次数:161
ocp-153
QUESTION NO: 153 Every Sunday the Unix system administrator has a job that executes a full backup of the entire Unix system your database is on. Is this backup usable for backup and recovery of your...
分类:其他好文   时间:2015-10-07 14:49:41    阅读次数:168
ocp-158
QUESTION NO: 158 Which view provides information on the backup status of the datafiles in the database?A. VBACKUPB.VBACKUP B. VBACKUP_STATUS C. VBACKUPDATAFILED.VBACKUP_DATAFILE D. VDATAFILE_BAC...
分类:其他好文   时间:2015-10-07 14:48:26    阅读次数:156
ocp-159
QUESTION NO: 159 Another DBA issues a shutdown abort command on a database on which you were running an online backup. What will happen when you try to restart the database? A. Oracle will automati...
分类:其他好文   时间:2015-10-07 14:47:58    阅读次数:169
python实例:backup 备份
python实例:backup 备份本文来源于《python简明教程》中的实例1.提出问题: 我想要一个可以为我的所有重要文件创建备份的程序。2. 分析明确问题:我们如何确定该备份哪些文件?备份保存在哪里?我们怎么样存储备份?3. 设计程序列表: 1). 需要备份的文件和目录由一个列表指定。 2)....
分类:编程语言   时间:2015-10-07 09:40:18    阅读次数:210
Linux系统下sendmail发送邮件失败的问题
问题是:安装完sendmail,启动服务后,发送邮件第一次发送成功,后面再次无论怎么发送都不行,换邮箱也不行。在确认我的邮件发送格式正确无误后,想到查看邮件发送日志:[root@backup-11~]#tail-20/var/log/maillogOct623:26:40backup-11sendmail[1307]:t96FQeu7001305:to=<a..
分类:系统相关   时间:2015-10-07 06:22:03    阅读次数:430
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