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Analytics and AI without the intimidation. Plain-language guides to SQL, data work, and practical AI. Examples you can use at work, a little humor, no PhD required.
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How your AI agent will sign in to shops and banks: the Personal Agent Protocol explained
The Personal Agent Protocol is a draft open standard from Sierra and Meta for how your AI agent signs in to a company and what it may do there. Here is how it works, who is behind it, and what it does not cover yet.
- SQL · November 10, 2024 · 14 min read
SQL Tutorial 13: Strategies for Maintenance and Optimization
Keep databases healthy over time with backups you can restore, slow query awareness, stats and vacuum concepts, access grants, and on-call hygiene. Close the SQL series with a full path recap and next learning links.
- Analytics · September 6, 2026 · 12 min read
A/B tests intuition for analysts
A/B tests need a clear unit, a primary metric, and honest peeking rules. A green checkmark with +3.2% lift can still be calendar-driven science if you stop early.
- Models · October 12, 2026 · 10 min read
How good is Qwen at languages other than English?
Use Qwen for multilingual drafts with a four-step protocol: bound the text, name the register, attach glossary terms, and human-verify legal lines. Skip English-bridge round trips for warranty language.
- Data work · September 11, 2026 · 13 min read
When to stop prompting an AI chatbot and do the task yourself
Prompting has a clock. When facts, feeling, or your signature matter, close the chat and do the task yourself.
