Blog.
Oracle to AWS Migration Lab
A complete walkthrough of migrating an on-premises Oracle database to AWS using DMS and GoldenGate — architecture, Terraform, scripts, cutover steps, and lessons learned from doing this at Kainga Ora.
GoldenGate Replication Lab: Oracle to Oracle and Oracle to PostgreSQL
How Oracle GoldenGate replication actually works — the EXTRACT, PUMP, and REPLICAT pipeline explained with real configuration, monitoring commands, and the things that break in production.
AI vs ML vs Deep Learning: A Cloud Engineer's Plain-English Guide
Everyone uses AI, ML, and deep learning interchangeably. They are not the same thing. Here is how they actually relate, explained using infrastructure analogies that will stick.
Oracle Data Manipulation Internals: Undo, Redo, and Archiving
A deep dive into how Oracle handles undo and redo data — what they are, how MVCC uses them together, how LGWR and archiving work, and what it all means practically when running Oracle on RDS.
Oracle Memory Architecture: SGA, PGA, and Automatic Memory Management
A practical deep-dive into Oracle's memory architecture — how SGA and PGA work, the evolution from manual tuning to AMM, how to use the memory advisors, and how to diagnose the dreaded ORA-04031 error.
Managing Archive Logs in RDS for Oracle
A practical guide to managing Oracle archive logs on AWS RDS — from listing files with rdsadmin to fixing DMS CDC failures caused by logs aging out before replication catches up.