AI engineering glossary · Data engineering

What is data vault?

Data vault: A warehouse modelling method that separates business keys (hubs), relationships between them (links) and descriptive history (satellites). It is built for auditability, easy addition of new sources and loading tables in parallel.

Level: advancedTopic: Data engineering

Data vault: an example

A customer hub holds only customer IDs, and each source system's attributes go into its own satellite table with load dates.

Related terms

More Data engineering terms

Where you learn it

Data vault is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.

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