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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DeepSeek chat app and plans without hype
Use official chat.deepseek.com (Instant and Expert) before you buy a random Plus extension. Chat can be free; the API is the metered wallet. Confirm the publisher on mobile stores.
- SQL · November 10, 2024 · 12 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 · 11 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 simply easier
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 and do the task yourself
Prompting has a clock. When facts, feeling, or your signature matter, close the chat and do the task yourself.
