How to Fix ORA-19909 During Oracle 19c Physical Standby Recovery
Introduction While restoring an Oracle Database 19c physical standby database on Windows using RMAN, the recovery process may fail with ORA-19909: da…
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How to Create an ASM Diskgroup and Add Disks in Oracle ASM – Step-by-Step Guide
Introduction Oracle Automatic Storage Management (ASM) simplifies database storage administration by providing integrated cluster volume management a…
Oracle Data Guard DR Drill (Switchover & Switchback) – Complete Step-by-Step Guide
Introduction A Disaster Recovery (DR) Drill is one of the most important activities for every Oracle DBA. It validates that your Oracle Data Guard en…
How to Drop an Oracle SQL Plan Baseline (Step-by-Step Guide)
Introduction Oracle SQL Plan Management (SPM) is one of the most powerful performance stability features introduced by Oracle. It prevents SQL statem…
ORA-01111: Resolving UNNAMED Datafile Issues in Oracle Data Guard – Root Cause, Diagnosis & Complete Solution
Introduction In an Oracle Data Guard environment, maintaining synchronization between the primary and standby databases is critical for ensuring high…
Oracle RAC 19c RU 19.30 Rolling Patching Step-by-Step Guide (2 Node RAC)
Introduction This article provides a step-by-step guide for applying Oracle RAC 19c RU 19.30 using the rolling patching approach. It covers pre-patch…