All Articles & Tutorials
Explore practical guides, step-by-step masterclasses, and foundational definitions across AI, SQL, and data systems — written in plain, human English.
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Plugins and connectors for office work
Part 4 of Claude Cowork tutorial. Plugins bundle skills, connectors, and sub-agents for office work. Start with folders only, then climb a ladder through instructions, connectors, plugins, and…
What AI can and cannot do for analysis
AI is a sharp intern for analysis, not a signed-off analyst. Part 1 of Practical AI for analytics people maps assist versus replace, where liability for numbers still…
Who is responsible for your company’s data? Stewards, owners, and custodians explained
You got the Slack ping: “Who owns this number?” Steward, owner, and custodian are different jobs. Part 1 of Data stewardship at work maps RACI in human words…
How data moves from source systems to a dashboard: the four stages of a data pipeline
Inherited a broken dashboard number? Map data from sources through land, transform, and serve so you can debug the path, not the logos. Part 1 of How data…
How to turn a business goal into a metric you can track
Most metric fights are unfinished goal conversations in disguise. Walk the chain from objective to behavior to measure to target so your next KPI becomes a decision tool,…
