QuestionQ8

Data Ingestion and Data Preparation

Why does the conditional multi-table INSERT option support the Data Vault data model?

Explanation

Data Vault stores business keys in hubs and descriptive history in satellites. A conditional multitable INSERT can route and fan out a source row to multiple targets in one statement, supporting parallel loading of related hub and satellite rows with the appropriate surrogate-key relationship. This differs from dimensional modeling, which uses dimensions and facts.

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