随笔分类 -  backup

摘要:What is the impact of the results of the output of the following command?RMAN> report unrecoverable database;Report of files that need backup due to u 阅读全文
posted @ 2017-11-10 18:05 巴啦啦大魔王 阅读(91) 评论(0) 推荐(0)
摘要:What view might you use to try to determine how long a particular backup will take?A. V$SESSION_EVENTB. V$SESSIONC. V$WAITSD. V$WAITSTATE. V$SESSION_L 阅读全文
posted @ 2017-11-10 17:59 巴啦啦大魔王 阅读(75) 评论(0) 推荐(0)
摘要:What is the impact of the following backup if it exceeds the duration allowance? (Choose all thatapply.)Backup as compressed backupset duration 2:00 p 阅读全文
posted @ 2017-11-10 17:55 巴啦啦大魔王 阅读(96) 评论(0) 推荐(0)
摘要:How long will this backup be allowed to run?Backup as compressed backupset duration 2:00 minimize load database ;A. 2 minutesB. 2 hoursC. 2 daysD. The 阅读全文
posted @ 2017-11-10 17:48 巴啦啦大魔王 阅读(92) 评论(0) 推荐(0)
摘要:If a backup set is expired, what can you do to correct the problem?A. Change the retention criteria.B. Make the lost backup set pieces available to RM 阅读全文
posted @ 2017-11-10 17:46 巴啦啦大魔王 阅读(65) 评论(0) 推荐(0)
摘要:What does it mean if a backup is expired?A. The backup set has exceeded the retention criteria set in RMAN and is eligible for removal.B. The backup s 阅读全文
posted @ 2017-11-10 17:43 巴啦啦大魔王 阅读(184) 评论(0) 推荐(0)
摘要:Why would you run the delete obsolete command? (Choose all that apply.)A. To remove missing backup set pieces physically from diskB. To remove metadat 阅读全文
posted @ 2017-11-10 17:40 巴啦啦大魔王 阅读(98) 评论(0) 推荐(0)
摘要:You run the following commands:RMAN> list expired backup; RMAN> delete expired backup;What will happen to the backup set pieces associated with the ba 阅读全文
posted @ 2017-11-10 17:35 巴啦啦大魔王 阅读(82) 评论(0) 推荐(0)
摘要:You have lost all your RMAN backup set pieces due to a disk failure. Unfortunately, you have anautomated cross-check script that also does a delete ex 阅读全文
posted @ 2017-11-10 16:54 巴啦啦大魔王 阅读(107) 评论(0) 推荐(0)
摘要:You want to make sure that your database backup does not exceed 10 hours in length. Whatcommand would you issue that would meet this condition?A. back 阅读全文
posted @ 2017-11-10 16:50 巴啦啦大魔王 阅读(140) 评论(0) 推荐(0)
摘要:You have backed up your database twice without connecting to the recovery catalog. What command do you issue to transfer the control-file metadata to 阅读全文
posted @ 2017-11-10 16:48 巴啦啦大魔王 阅读(107) 评论(0) 推荐(0)
摘要:What command would you use to ensure that backup records in the control file are pointing to actual physical files on the backup media?A. crosscheckB. 阅读全文
posted @ 2017-11-10 16:41 巴啦啦大魔王 阅读(153) 评论(0) 推荐(0)
摘要:Which command would you use to determine what database backups are currently available forrestore?A. list database backup;B. report database backup;C. 阅读全文
posted @ 2017-11-10 16:37 巴啦啦大魔王 阅读(143) 评论(0) 推荐(0)
摘要:You have backed up your database using image copies. You have lost the SYSTEM tablespace and need to restart your database as quickly as possible. Wha 阅读全文
posted @ 2017-11-10 16:08 巴啦啦大魔王 阅读(123) 评论(0) 推荐(0)
摘要:What is the end result of these commands if they are successful?RMAN> show retention policy;RMAN configuration parameters for database with db_unique_ 阅读全文
posted @ 2017-11-10 14:47 巴啦啦大魔王 阅读(122) 评论(0) 推荐(0)
摘要:What command would you issue to enable automated backups of control files?A. alter database controlfile autobackup onB. alter system controlfile autob 阅读全文
posted @ 2017-11-10 13:39 巴啦啦大魔王 阅读(96) 评论(0) 推荐(0)
摘要:If you back up a database without connecting to the recovery catalog, which operations will cause the recovery catalog to be updated? (Choose all that 阅读全文
posted @ 2017-11-10 12:19 巴啦啦大魔王 阅读(84) 评论(0) 推荐(0)
摘要:What is the purpose of the RMAN recovery catalog? (Choose all that apply.)A. It must be used because all RMAN-related backup and recovery metadata inf 阅读全文
posted @ 2017-11-09 18:24 巴啦啦大魔王 阅读(85) 评论(0) 推荐(0)
摘要:You issue the following command:RMAN>CONFIGURE BACKUP OPTIMIZATION ON;What is the result of this command on your backups?A. An incremental backup stra 阅读全文
posted @ 2017-11-09 18:16 巴啦啦大魔王 阅读(105) 评论(0) 推荐(0)
摘要:Which command is used to configure RMAN to perform a compressed backup for every backupexecuted?A. BACKUP AS COMPRESSED BACKUPSET DATABASEB. BACKUP AS 阅读全文
posted @ 2017-11-09 18:12 巴啦啦大魔王 阅读(95) 评论(0) 推荐(0)