Setting Up a New ORDS DB Pool for the API Gateway
Provisioning an api DB pool in ORDS and wiring it through Apache httpd
Aug 19, 20263 min read2
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Migrating Oracle LOBs from BasicFile to SecureFiles: A Field Guide
Notes from a real production migration on Oracle Standard Edition 2, ahead of a 12c → 19c upgrade. BasicFile is Oracle's original LOB storage mechanism, predating 11g. SecureFiles has been the default
Aug 6, 20267 min read6
Cloning a Pluggable Database (PDB) Across CDBs via Database Link
Applies to: Oracle Database 19c (Standard/Enterprise Edition), multitenant architecture Status: Draft / Verified in test Overview This runbook documents cloning a source PDB into a new target PDB usi
Aug 6, 20265 min read2
Diagnosing and Resolving an Oracle CDB Server Hung State on Oracle Linux 9
When an Oracle database server stops responding, the cause is rarely a single failure. In most cases it is a chain of pressure points — memory over-commitment, undersized redo logs, and poorly tuned k
May 27, 202612 min read9
Oracle 19c SE2: Relocating PDB Datafiles to a New Disk
Moving datafiles for a Pluggable Database (PDB) in Oracle 19c Standard Edition 2 doesn't require Enterprise Edition features like online file move. This runbook walks through the safe, offline method
May 22, 20264 min read13
RMAN FRA Bloat After Non-CDB to CDB Migration Issue Analysis and Resolution
Issue Description Following a Data Pump full export/import migration from Oracle 12c SE non-CDB to Oracle 19c SE2 CDB, the Fast Recovery Area (FRA) on /b0 grew to 1.6 TB against a 600 GB source databa
May 21, 20266 min read13
Oracle 12c SE to 19c SE2 CDB Migration: A Field-Tested Runbook with Ansible Automation
Oracle ACE Program | May 2026 | Non-CDB to CDB | Data Pump Full Export/Import | APEX 24.1 | ORDS Overview This runbook documents a live migration of an Oracle 12c Standard Edition non-CDB database to
May 20, 202615 min read7
Split Brain in Oracle RAC 19c: When Nodes Stop Agreeing
Tags: Deep Dive · Oracle RAC · 19c · High AvailabilityPublished: May 6, 2026 · 14 min read Split brain is the silent killer of clustered databases. Nodes that once shared a coherent view of the worl
May 6, 20268 min read19
Real-Time Oracle to Snowflake Replication with GoldenGate 26ai on GCP
Oracle GoldenGate 26ai | Snowflake | Google Cloud PlatformComplete Step-by-Step Implementation Guide — April 2026 1. Architecture Overview This guide walks through the complete implementation of real
Apr 20, 202614 min read28