Category: Tutorials
Airflow hello: retries, sensors, and when not to use it
Retries buy time for flukes; sensors encode waiting with deadlines. Learn when to retry, how to sensor a late file without burning workers, and when Airflow is the…
Churn and retention definitions that stick
Churn and retention sound like opposites until logo, revenue, and net metrics tell three stories. Lock definitions for who counts, what “active” means, and which window you report.
Access, least privilege, and just give me prod
“Just give me prod” is a speed request wearing a risk costume. Part 3 of Data stewardship at work maps least privilege from samples to write access, with…
How to ask better data questions in meetings
Most meeting chaos is not a dashboard shortage. It is a question shortage. Climb the question ladder from vague curiosity to decision-ready asks, with a card you can…
dbt lab: first models and tests
Turn layout into working models. Write your first staging and mart SQL, wire refs, add unique and not-null tests, and run a small build you can actually explain…
