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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 to test Kimi K3.1 Pro on a long document before you trust it
Kimi K3.1 Pro, Moonshot's new AI model, can read about a million tokens at once. Here is what each Kimi plan gives you, what the API costs for a long report, and a three-question test to run on a document you know before you rely on it.
- 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 · November 6, 2026 · 15 min read
Should you download Qwen or use Alibaba’s hosted service?
Choose open Qwen weights when you need the files on your iron. Choose hosted when the meter is cheaper than idle GPUs. Write the break-even before you promise sovereignty.
- 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.
