All Articles & Tutorials
Explore practical guides, step-by-step masterclasses, and foundational definitions across AI, SQL, and data systems โ written in plain, human English.
All articles
Why Python for analytics (and when to stay in SQL or Sheets)
Python is optional for many analytics jobs, and that is a feature, not a failure. Learn when Sheets or SQL still win, when a notebook saves real hours,…
When Grok is the wrong tool
Generative AI tools like Grok are powerful assistants, but they can be dangerous when misapplied. In this final part of the series, we cover the six critical danger…
Connectors and apps (Drive, calendars, etc.)
Connectors and apps link ChatGPT to Drive, mail, Slack, CRMs, and more. Climb from plain chat to uploads, read-only access, write actions, and scheduled work only as far…
Claude for work / Microsoft 365 light
A light tour of Claude for work and Microsoft 365: personal Pro versus Team or Enterprise, connectors and write-tool consent, and a safe policy-redact-draft-verify-human-send loop. Not an admin…
Your first table contract
One page that records grain, keys, ownership, columns, exclusions, and allowed use so multiplayer tables stay trustworthy.




