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Dumky de Wilde

Dumky de Wilde's photo

Developer & Agent Experience Engineer

I spent over 10 years as a consultant setting up data pipelines, data models, and cloud infrastructure for clients ranging from government to fintech to retail and energy before moving to MotherDuck to help people and their AI agents make the most of MotherDuck through documentation, examples and other content. I am the co-author of The Fundamentals of Analytics Engineering and love writing about anything and everything data related.

6 BLOG POSTS AND VIDEOS

"We Classified 100,000 Rows in 40 Seconds: Introducing prompt_jev()" video thumbnail

49:02

prompt_jev(): SQL-Native Text Classification

Sep 29, 2026 • Hamilton Ulmer, Dumky de Wilde, Jacob Matson

MotherDuck's new prompt_jev() function runs text classification directly from SQL using Jev, a decision-focused model from typesafe.ai. In a live demo, Jacob Matson, Dumky de Wilde, and Hamilton Ulmer showed it filtering, disambiguating, and re-ranking real data without leaving SQL. The number they kept coming back to: 100,000 rows classified at 89% accuracy in 40 seconds, compared to 32 minutes and $37.58 for a comparable LLM call.

Stream

MotherDuck Features

AI, ML and LLMs

Data Pipelines

Querying the entire internet (100 billion rows!) with MotherDuck

Querying the entire internet (100 billion rows!) with MotherDuck

Sep 22, 2026 • Dumky de Wilde

Common Crawl publishes petabytes of web crawl data on S3. With DuckDB and MotherDuck you can query the Common Crawl dataset directly, no cluster and no download, and measure how fast the vibe-coded web is growing.

They All Write, Store, and Read Data: How to Pick The Right Database

They All Write, Store, and Read Data: How to Pick The Right Database

Sep 15, 2026 • Dumky de Wilde

SQLite, Postgres, DuckDB and 20 others: they all write, store and read data. The questions you ask every day tell you which one you need.

AI Agent Analytics with Vercel & MotherDuck

AI Agent Analytics with Vercel & MotherDuck

Apr 30, 2026 • Dumky de Wilde

Track AI agent traffic that bypasses your web analytics. Stream Vercel Log Drains into MotherDuck to see how ChatGPT, Claude, and other agents browse your site.

MotherDuck on Cloudflare Workers

MotherDuck on Cloudflare Workers

Apr 21, 2026 • Dumky de Wilde

Build a real-time voting app on Cloudflare Workers that queries MotherDuck through the Postgres endpoint, using Durable Objects for live state and the pg package for analytical workloads.

Microbatch: how to supercharge dbt-duckdb with the right incremental model

Microbatch: how to supercharge dbt-duckdb with the right incremental model

Feb 2, 2026 • Dumky de Wilde

Microbatch support in dbt-duckdb lets you process large tables in time-based batches — making incremental models recoverable, backfillable, and parallelizable without rebuilding from scratch.