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海量数据库被drop/truncate表的不完全恢复
d海量数据库被drop/truncate表的不完全恢复在实际情况中，数据库经常会由于工作人员的误操作造成一些表被删除或者截断，如果数据库的数据量小是很方便做时间点恢复的，但如果数据量非常大。或者10T的数据量，那是不...
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10G RMAN Fast Incremental Backups
from metalinkPURPOSE-------This article discusses the Oracle 10g new feature called 'block change tracking' and how it helps accelerate RMAN incremental backups. SCOPE & APPLICATION-------------------...
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Recover from Missing Datafile that is Never Backed Up (RMAN-06026)
-dProblem Description-------------------Full restore via RMAN of a database when a datafile is missing and neverbacked up results in the following errors: RMAN-00571: ==============================...
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How to Calculate Rman Memory Allocation In Large Pool
How to Calculate the Memory Required by RMAN in Large Poolfrom metalinkContrary to the rman documentation at 9i, the amount of memory required by RMAN to be set asidein LARGE POOL when asynchronous io...
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Recover from Missing Datafile that is Never Backed Up (RMAN-06026)
from metalinkRecover from Missing Datafile that is Never Backed Up (RMAN-06026)Problem Description-------------------Full restore via RMAN of a database when a datafile is missing and neverbacked up r...
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RMAN与IO从属
RMAN与IO使用dbwr_io_slaves参数可以配置磁盘IO从属,这个参数的值可以任意.作用是将"脏"缓冲区(即写满的缓冲区)的内容从缓冲存储区写入磁盘时唤醒其他的dbwr从属来执行磁盘写操作.如果该参数大于0,RMAN会自动在每个...
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ARCHIVELOG模式下的恢复
ARCHIVELOG模式下的恢复完全恢复:1.从备份中还原所有数据库数据文件.2.还原所有备份的归档的重做日志.3.加载数据库STARTUP MOUNT;4.恢复数据库RECOVER DATABASE.5.应用归档日志中的重做日志,在提示符下输入AUTO6.ALT...
