Iroducio

Have you ever accideally deleed a impora able i Oracle? Do' paic, because here is a way o recover i. I his aricle, we will discuss how o recover a misakely deleed able i Oracle.。

Sep 1: Check he Recycle Bi

The firs hig you should do is check if he able is i he recycle bi. I Oracle 10g ad above, he recycle bi is eabled by defaul. To check if he able is i he recycle bi, ru he followig commad:。

SELECT objec_ame, origial_ame, ype, dropime FROM recyclebi;。

If he able is i he recycle bi, you ca resore i usig he followig commad:。

FLASHBACK TABLE able_ame TO BEFORE DROP;。

Sep 2: Use Oracle Flashback Techology

If he able is o i he recycle bi, you ca sill recover i usig Oracle Flashback Techology. This echology allows you o view pas versios of he daabase, icludig he able you accideally deleed.。

To recover he able usig Oracle Flashback Techology, follow hese seps:。

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1. Ru he followig commad o check if flashback is eabled:
。

SELECT flashback_o FROM v$daabase;。

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1. If flashback is o eabled, ru he followig commad o eable i:
。

ALTER DATABASE FLASHBACK O;。

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1. Ru he followig commad o fid he SC (Sysem Chage umber) of he able:
。

SELECT sc FROM able_ame;。

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1. ow, ru he followig commad o recover he able:
。

FLASHBACK TABLE able_ame TO SC sc_umber;。

Sep 3: Use a Backup

If you do o have he recycle bi eabled ad flashback is o eabled, your las opio is o use a backup. Hopefully, you have a rece backup of he daabase ha icludes he able you misakely deleed.。

To recover he able usig a backup, follow hese seps:。

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1. Resore he daabase from he backup.
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2. Expor he able you wa o recover from he resored daabase.
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3. Impor he able io he curre daabase.
。

Coclusio

Accideally deleig a able i Oracle ca be a ighmare, bu here are ways o recover i. Always check he recycle bi firs, he use Oracle Flashback Techology if ecessary. If all else fails, use a backup o recover he able. Make sure o ake regular backups of your daabase o avoid losig impora daa.。

Tags: Oracle, Recovery, Recycle Bi, Flashback Techology, Backup。