Iroducio

Oracle daabase is a popular daabase maageme sysem used by orgaizaios worldwide. I case of ay daa loss, i is crucial o recover he los daa as soo as possible o avoid ay kid of busiess disrupio. Oracle daabase provides various recovery opios, icludig recoverig daa o a specific poi i ime. I his aricle, we will discuss how o recover daa o a specific poi i ime usig Oracle daabase.。

Prerequisies

Before proceedig wih he recovery process, you eed o esure ha:。

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• You have a rece backup of your Oracle daabase.
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• You have he ecessary privileges o perform he recovery operaio.
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• You have he required Oracle daabase sofware ad ools isalled o your sysem.
。

Seps o Recover Daa o a Specific Poi i Time

Follow he below seps o recover daa o a specific poi i ime:。

sqlplus / as sysdba

Sep 2: Deermie he Required Recovery Time

Deermie he specific poi i ime o which you wa o recover he daa. This ca be doe usig he followig commad:。

SELECT TO_CHAR(SYSDATE,'DD-MO-YYYY HH:MI:SS') "CURRET TIME" FROM DUAL;

This will display he curre sysem ime. oe dow he ime o which you wa o recover he daa.。

Sep 3: Mou he Daabase

Mou he daabase i exclusive mode:。

STARTUP MOUT EXCLUSIVE;

Sep 4: Deermie he Required Archive Logs

Deermie he required archive logs for he recovery process:。

SELECT AME FROM V$ARCHIVED_LOG WHERE TO_DATE('ime','DD-MO-YYYY HH24:MI:SS') &g; EXT_TIME;

Replace 'ime' wih he ime oed i sep 2. This will display he archive logs required for he recovery process. oe dow he ames of hese logs.。

Sep 5: Recover he Daabase

Recover he daabase usig he followig commad:。

RECOVER DATABASE UTIL TIME 'ime' USIG &l;log1&g;, &l;log2&g;, ... &l;log&g;;

Replace 'ime' wih he ime oed i sep 2 ad &l;log1&g;, &l;log2&g;, ... &l;log&g; wih he ames of archive logs oed i sep 4.。

Sep 6: Ope he Daabase

Ope he daabase usig he followig commad:。

ALTER DATABASE OPE;

Coclusio

Recoverig daa o a specific poi i ime is a criical process i case of ay daa loss. Oracle daabase provides various recovery opios o recover he los daa. I his aricle, we discussed how o recover daa o a specific poi i ime usig Oracle daabase. By followig he above seps, you ca easily recover your los daa ad avoid ay kid of busiess disrupio.。

Tags

Oracle daabase, daa recovery, specific poi i ime, archive logs, SQLPlus, busiess disrupio.。