Coding Tutorials by Alex Merced

Alex Merced

Written by Alex Merced Developer from devNursery.com and alexmercedcoder.dev You should follow him on Twitter and checkout his articles on LogRocket.

RAG Isn't the Problem : Policy as Code Is

June 15, 2026

The real bottleneck with enterprise AI isn't retrieval augmentation or model accuracy : it's governance. Policy-as-code (OPA, ABAC, Rego) lets you enforce access rules, column masks, and row filters on any data source at query time.

Agentic Lakehouse Concurrency and Isolation

June 08, 2026

How Iceberg optimistic concurrency control, partition-level isolation, and idempotency keys enable safe concurrent writes from multiple AI agents to the same lakehouse tables.