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A national care-quality dataset. Sixty trusts submit care-episode extracts on their own schedules; the indicators computed from them are published on a date set in legislation. Every period some submit late, some resubmit corrections, and two or three do not submit at all. You cannot wait, and you cannot publish a number that pretends to be complete.
Two different clocks: one you choose, one you are given.
Practice studio
Run the review to check your architecture against this scenario — a valid DAG, a trigger for the freshness SLA, a transform stage, a quality gate before publish, and a failure path — then defend it in a short interview.
This scenario runs a full workspace — editor, canvas and results side by side. It needs a laptop or desktop to be usable. Open this page on a bigger screen to start building.