Recovering a Missing Oracle Datafile: Step‑by‑Step Diagnosis and Fix

This article walks through diagnosing an Oracle database where a datafile is inaccessible, interpreting ORA‑01157, ORA‑01110, and ORA‑00600 errors, and outlines a practical recovery method using ODU scans, dd concatenation, and checkpoint correction.

Database CorruptionDatafile RecoveryODU Scan

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Recovering a Missing Oracle Datafile: Step‑by‑Step Diagnosis and Fix

dbaplus Community

Sep 7, 2016 · Databases

Why Oracle MERGE Triggers ORA-00600 Errors and How to Diagnose Them

This article examines a recurring ORA-00600 crash caused by Oracle MERGE statements, walks through reproducing the issue, analyzes the impact of bound variables and table size, identifies a version‑specific bug, and offers practical work‑arounds and recommendations for DBAs.

Database BugORA-00600Oracle

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Why Oracle MERGE Triggers ORA-00600 Errors and How to Diagnose Them