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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What is prompt injection, and how can it trick AI tools that read your data?
Prompt injection is not only a chatbot prank. For data teams it rides in tickets, docs, CSV cells, and tool outputs. Treat retrieved text as untrusted, constrain tools,…
When a Custom GPT is the wrong solution
Skip Custom GPTs for one-offs, live systems, secrets, and certified KPIs. Prefer Chat, Work, connectors, or Codex with review when those jobs show up.
How to use one company-wide goal metric alongside team scorecards
A North Star focuses the company; team scorecards run the work. Build a simple stack of crown metric, input metrics, and team cards so one slide cannot pretend…
What data orchestration does, explained with one simple metaphor
Orchestration is kitchen management for data: schedules, dependencies, and retries. Learn the Airflow and dbt mental models so broken morning numbers point to a clear task, not a…
How to write AI prompts for data analysis work
Build data prompts with role, spec, output shape, and refuse rules. Make grain, filters, and calendar explicit so the model cannot hide a wrong query behind fluent SQL.
