Insights for the Rest of Us
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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Is DeepSeek safe for work? Privacy and where your data goes
Know where DeepSeek prompts go, read the privacy policy dated for your week, and keep regulated rosters off personal phone pastes. Work vs personal vs regulated is a written rule.
- SQL · November 10, 2024 · 13 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 2, 2026 · 15 min read
When Claude or ChatGPT is easier than running a Llama model yourself
Choose Llama when local or open weights earn the ops cost. Choose a closed $20 seat when the job is writing and the GPU project has no owner. Put the chooser on one page.
- 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.
