053(三十九)
2016-04-21 08:48
281 查看
191、
192、
193、
194、
195、
191.While working on a data problem, Curt, Bill, Ben, Mike, and Matt introduced a vast amount of corrupted data into the database. Pablo has discovered this problem and he needs you to recover the database to the point in time prior to the introduction of the corruption. The logical corruption was introduced at 6:30 p.m. on September 6, 2008. Which of the following would be the correct commands to use to restore the database to a point in time before the orruption? A. restore database until time '06-SEP-2008 06:30:00'); recover database until time '06-SEP-2008 06:30:00'); alter database open; B. restore database until time '06-SEP-2008 06:30:00'); recover database until time '06-SEP-2008 06:30:00'); alter database open resetlogs; C. restore database until time '06-SEP-2008 18:29:55'); recover database until time '06-SEP-2008 18:29:55'); alter database open resetlogs; D. restore database until time '06-SEP-2008 18:29:55'); alter database open resetlogs; E. restore database until time '06-SEP-2008 18:29:55'); recover database; alter database open resetlogs;
192、
192.What is the purpose of the until change option of the restore command? A. It allows you to select the SCN that you want to restore to. B. It allows you to select the log sequence number you want to restore to. C. It allows you to select the timestamp you want to restore to. D. It allows you to manually stop the restore at any time as online redo logs are applied. E. None of the above.
193、
193.What is the purpose of the recover command? (Choose all that apply.) A. Recover database datafiles from physical disk backup sets. B. Recover required incremental backups from physical disk backup sets. C. Recover required archived redo logs from physical disk backup sets. D. Apply incremental backups to recover the database. E. Apply archived redo logs to recover the database.
194、
194.What is an obsolete backup set? A. A backup set that is missing one or more backup set pieces B. A backup that has exceeded the retention criteria and is no longer needed C. A backup set that does not include archived redo logs D. A backup set that can not be recovered due to corruption E. A backup set superceded by a datafile copy
195、
195.What is the purpose of the list expired backup command? A. Lists all backups impacted by a resetlogs command B. Lists all backups that are subject to retention criteria C. Lists all backups that are missing associated physical backup set pieces D. Lists the status of datafile backup failures due to the use of the duration command E. Lists backups that cannot be used by the restore command because they have been marked as disabled
相关文章推荐
- 第十一章、Android的线程和线程池
- 第七周项目1-成员函数、友元函数和一般函数有区别
- 圆形进度条,可设置内外环,多彩
- 053(三十八)
- Windows Server 2012 云硬盘如何挂载
- 第十章、Android的消息机制
- String,StringBuffer和StringBuilder的区别
- C++实验-4
- 让我们一起来做最漂亮的Android界面吧!
- 053(三十七)
- NSTimer的使用[zhuang]
- moon Linux命令
- 【C/C++面试】数组篇
- 无废话ExtJs 入门教程二[Hello World]
- UnityTestTools测试工具
- UI- UIWindow & UIView
- 项目——多文件组织的数组作数据成员
- 第八周项目三 指向学生类的指针
- PHP的输出缓冲区(转)
- 第九章、 四大组件的工作过程