Troubleshooting Oracle RMAN: A Full FRA, Missing Image Copies, and a Backup That Still Succeeded
An Oracle 19c RMAN backup failed with what initially looked like a straightforward storage problem:

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An Oracle 19c RMAN backup failed with what initially looked like a straightforward storage problem:

Building a deliberately skewed dataset to watch the CBO's row estimates fall apart — and which fix actually applies to each failure mode

A step-by-step guide to FTEX, PDB targeting, and cutting outage windows with RMAN incremental backups

This guide walks through the exact process used to build and verify a complete online database migration demo on an Apple Silicon Mac. The environment uses PostgreSQL as both source and target, Striim

A reproducible multi-session lab for finding the actual root of a blocking chain... not just whoever happens to be standing in your way

What's the same, what's worth re-reading, and the one feature that actually changes how you'd tune contention

The headlines say 'bye bye ASM.' The scope is narrower, more Exadata-specific, and more of a migration path than a cutover here's what I found when I looked into it.

Provisioning an api DB pool in ORDS and wiring it through Apache httpd

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
