Iroducio

Oracle is a widely used daabase maageme sysem ha is kow for is reliabiliy ad securiy. However, daa loss ad corrupio ca sill occur due o various reasos like hardware failure, huma error, ad sofware bugs. I such cases, i is esseial o have a reliable daa recovery pla i place o esure busiess coiuiy.。

Types of Daa Recovery

There are wo ypes of daa recovery mehods available i Oracle:。

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• Media Recovery: This mehod is used whe he daabase files are damaged or los. I ivolves resorig he daabase from a backup ad applyig he rasacio logs o brig i up o dae.
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• Daabase Poi-I-Time Recovery (DBPITR): This mehod is used whe a sigle able or a specific se of daa is los or corruped. I ivolves resorig he daabase o a specific poi i ime before he daa loss occurred ad he applyig he chages o he affeced able.
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Seps for Oracle Daa Recovery

The followig seps should be followed for Oracle daa recovery:。

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1. Ideify he cause of daa loss or corrupio ad ake correcive measures o preve i from happeig agai.
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2. Deermie he exe of daa loss ad ideify he las kow good backup. Resore he backup o a separae locaio o avoid overwriig ay exisig daa.
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3. Apply ay rasacio logs ha were creaed afer he backup was ake o brig he daabase up o dae.
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4. Perform a DBPITR if required. Ideify he imesamp before he daa loss occurred ad resore he daabase o ha poi i ime. Apply he chages o he affeced able.
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5. Verify he resored daa for accuracy ad compleeess.
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6. Updae he recovery pla ad documeaio o reflec he chages made.
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Coclusio

Daa loss ad corrupio ca have severe cosequeces for busiesses, ad i is esseial o have a robus daa recovery pla i place o miimize he impac. Oracle provides various daa recovery mehods like media recovery ad DBPITR, which ca help resore he daabase o is previous sae. By followig he seps oulied above, orgaizaios ca esure ha heir daa is proeced ad ha busiess coiuiy is maiaied i he eve of daa loss or corrupio.。

Tags:

Oracle, Daa Recovery, Media Recovery, DBPITR, Backup, Trasacio Logs, Busiess Coiuiy。