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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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Alternatives to TypeSafe’s Jev: paid and free AI models that make decisions compared
Jev now has paid rivals from OpenAI and Cloudflare and free ones from AWS, OpenJev, and Laya. Here is what each one costs, what it can and cannot read, and how to pick the right one for your app.
- 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 8, 2026 · 18 min read
When not to use DeepSeek: jobs where it is the wrong tool
Skip DeepSeek when the page is already public, when the real need is a form, or when policy forbids the region. Use it when a cheap API or open weights honestly fit the job.
- 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.
