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ocp-97
QUESTION NO: 97 Which of the following commands will fail? A. report schema; B. report need backup; C. report need backup days 3; D. report user; E. report obsolete; Answer: D下面的哪条命令将失败?D. repo...
分类:其他好文   时间:2015-10-05 00:49:24    阅读次数:186
ocp-70
QUESTION NO: 70 ASM supports all but which of the following file types? (Choose all that apply.) A. Database files B. Spfiles C. Redo-log files D. Archived log files E. RMAN backup sets F. Pass...
分类:其他好文   时间:2015-10-03 07:20:40    阅读次数:203
ocp-33
QUESTION NO: 33? You performed the RMAN database backup with the KEEP option. Which two statements are true regarding this backup? (Choose two.) A. The backup contains data files, the server parame...
分类:其他好文   时间:2015-10-02 17:27:59    阅读次数:251
利用dbms_repair来标记和跳过坏块
SQL>selectfile_id,block_id,blocksfromdba_extentswhereowner=‘LILC‘andsegment_name=‘TEST‘; ,,,,, 6106241024 6116481024 83rowsselected.破坏之前的数据:SQL>selectcount(*)fromtest;COUNT(*)----------783018RMAN>recoverdatafile6block11620clear;RMAN>..
分类:数据库   时间:2015-09-23 17:17:01    阅读次数:190
11g RMAN Restore archivelog用法
I.备份所有归档日志文件RMAN> BACKUP FORMAT '/u01/backup/arch_%U_%T' skip inaccessible filesperset 5 ARCHIVELOG ALL DELETE INPUT;II.使用RMAN方式清除RMAN清除方式会自动清除磁盘上的归档日...
分类:其他好文   时间:2015-09-23 17:02:50    阅读次数:190
ORA-38856: 无法将实例 UNNAMED_INSTANCE_2 (重做线程 2) 标记为启用
在做异地恢复数据库试验的时候,报错ORA38856,具体情况如下:源库为ORACLERAC,2节点数据库版本11.2.0.4目标库为单实例ORACLE,版本11.2.0.4源库Rman备份为0级全备在restore成功以后,recover不成功,需要用到原来的onlinelog,重建控制文件,然后alterdatabaseopenresetlogs..
分类:编程语言   时间:2015-09-22 14:42:50    阅读次数:195
使用rman异地恢复数据库试验(RAC恢复到单实例数据库)
前言rman在实际应用中用到的不多,很多时候一个项目开始设置好备份策略,后续基本上都用不到了,除非数据库出现异常,可以说,rman是一个不常用但是却非常重要的技能,但是又非常容易忘记。为了不在关键时刻掉链子,做了一个rman异地恢复数据库的试验。试验环境介绍操作系统数..
分类:数据库   时间:2015-09-22 14:41:03    阅读次数:218
RMAN Recovery Catalog
RMAN用来存放数据库元数据的schema。the catalog includes the following types of metadata:-Data file and archived redo log backup sets and backup pieces-Data file co...
分类:其他好文   时间:2015-09-22 14:15:01    阅读次数:316
oracle rman 跨版本恢复 11.2.0.3- 11.2.0.4
1.切换归档,执行rman全库备份2.传送的服务器上。3.对其进行恢复--创建对应的目录1.修改配置文件,按比例修改配置参数根据这些目录更改创建对应的目录mkdir-p/home/opt/oracle/diag/rdbms/wms/wmsmkdir-p/home/opt/oracle/diag/rdbms/wms/wms/tracemkdir-p/home/opt/oracle/dia..
分类:数据库   时间:2015-09-21 19:46:15    阅读次数:268
ocp-v13-683
Your production database it functional on the SHOST1 host. You are backing up the production database by using Recovery Manager (RMAN) with the recovery catalog. You want to replicate the production...
分类:其他好文   时间:2015-09-21 19:39:42    阅读次数:125
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