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Data Flow Diagram

描绘数据在系统各环节之间如何流动、转换与存储的图表,是需求分析与系统设计的标准工具。画清数据流向,系统边界自然清晰。

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Role-scoped analytics data flow A Data Engineer ingests and stores commerce data, a Data Scientist transforms and analyzes it, and an Analyst publishes a dashboard. 01INGEST 02STORE 03TRANSFORM 04ANALYZE 05PUBLISH DATAENGINEER DATASCIENTIST ANALYTICSANALYST RAW TABLE ENG Capture Eventsshop events → batchNiFi ingest LS DB ENG Land Recordsevents · ordersObject storage DB DB SCI Clean & Modelraw → trusted tableTrino · notebooks DB TB SCI Curate Metricsconversion · revenueTrino SQL TB TB ANL Publish Dashboardmetrics → decisionsBI workspace TB FL STEPS 01Ingest 02Store 03Transform 04Analyze 05Publish DATA TYPE LSStream DBDataset TBTable FLDashboard left chip = input · right chip = output FLOW Standard handoff Focal handoff Published output
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