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data-vault-2

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Restaurant Chain Analytics Lakehouse with Data Vault 2.1 architecture and dimensional modeling using star schema via Lakeflow Spark Declarative Pipelines in Azure Databricks

  • Updated Apr 19, 2026
  • Python

A working Data Vault 2.0 over SAP procurement tables you can run in 60 seconds with pip install duckdb. Hubs, links, multi-source satellites, hash keys, PIT and bridge, star-schema marts - plus the SAP traps (ALPHA conversion, non-unique PO numbers, 00000000 dates, soft deletes) that quietly corrupt this architecture.

  • Updated Aug 10, 2026
  • Python

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