Freelance data consultant
Arnaud Gastelblum
I build data models people trust, on Microsoft Fabric and Power BI. AI is part of my daily work, and my notes live in Obsidian.
Power BI & Fabric Semantic models, DAX, Fabric warehouses 22 articles SQL Server T-SQL, SSIS, SSMS, the solid ground 8 articles AI Claude Code, Codex, AI in a data job 3 articles Obsidian Notes, tasks, a calm way to work 3 articles
Latest articles
- Fabric Fabric Source Atlas: which tables feed your semantic models? 10 Oct 2026
- AI Two AI developers and me: how I build with Claude Code and Codex 09 Oct 2026
- Obsidian Snailkit, the Obsidian plugin I built for my own notes 09 Oct 2026
- AI Let the AI test what it builds: give it hands and eyes 09 Oct 2026
- Tools dbt Formatter, a small VS Code extension for dbt models 26 Aug 2026
- AI Claude Code YOLO Mode on Windows: Skip Permissions Safely with Docker 16 Jul 2026
- SQL Server How to Make VS Code Look and Feel Like SSMS 25 Mar 2026
- Power BI Documenting Power BI Semantic Model sources Using DAX And AI 23 Nov 2025
Tools I built
Fabric Source Atlas Lists every SQL table, view, file and model your semantic models read. Excel inventory and an offline web page. PowerShell dbt Formatter Formats dbt SQL models the dbt way, writes the schema .yml, shows the lineage. A VS Code extension. VS Code Snailkit An Obsidian plugin: catch ideas, gather the tasks of all your notes, give your notes a home. Obsidian SSMS in VS Code Your SSMS habits in VS Code: column selection, Ctrl+R for results, and query shortcuts. An extension to download. VS Code
Also: Code Formatter for DAX and SQL in the browser, and LazyDAX, a Power BI file to learn DAX.