Hi, I'm Jamal Hansen

Technical deep dives into SQL, Python, and AI development. I document what I learn building with data and language models.

Join Python developers learning SQL — new tutorial every Monday

Learning Paths

14 posts SQL for Python Developers

6 posts I Vibe Coded and Lived to Tell

5 posts AWS Data Engineer Associate Certification

Latest Articles

Apr 10, 2026 I Extracted a Shared Library and Got 400 Tests I Didn't Ask For

Apr 10, 2026 Your Local AI Stack: uv and Ollama in 10 Minutes

Apr 8, 2026 Your Notes Need Metadata: Make Your Wiki Queryable

Apr 6, 2026 CTEs: Making Your SQL Readable

Apr 5, 2026 The Road to Agentic Notes

Explore All Content →