Iroducio

Oracle daabases are widely used i various idusries for sorig, maagig, ad rerievig daa. However, accideal deleio of daa from daabase ables ca cause serious issues. I his aricle, we will discuss how o recover deleed daa from Oracle daabase ables.。

Backup ad Recovery

Oe of he bes ways o preve daa loss is o creae regular backups of your daabase. Oracle provides various ools ad echiques for creaig ad maagig backups. You ca use Oracle Recovery Maager (RMA) for creaig backups ad resorig daa i case of a disaser. RMA ca creae backups a he daabase, ablespace, or daafile level. You ca also schedule auomaic backups usig RMA.。

Flashback Techology

Oracle provides a powerful feaure called Flashback Techology ha eables you o recover daa from a specific poi i ime. You ca use Flashback Query o view he daa as i exised i he pas, or use Flashback Table o recover a dropped able or rerieve daa from a able ha was rucaed. Flashback Techology uses he udo daa o recover he daabase o a specific poi i ime.。

LogMier

If you do o have a rece backup of your daabase, you ca use Oracle LogMier o recover deleed daa. LogMier is a uiliy ha eables you o aalyze he archived or olie redo log files. You ca use LogMier o view he chages made o he daabase ad recover deleed daa. However, LogMier ca be complex o use ad requires a good udersadig of he daabase archiecure.。

Coclusio

Accideal deleio of daa ca cause serious issues i a daabase evirome. However, wih he righ ools ad echiques, you ca recover deleed daa from Oracle daabase ables. I is impora o creae regular backups, use Flashback Techology, ad udersad LogMier o esure he safey ad reliabiliy of your daabase.。

Tags

Oracle, daabase, backup, recovery, Flashback Techology, LogMier, daa loss, udo daa。