DAA-C01 · Question #120
When employing different data models (e.g., dimensional, Data Vault) in Snowflake, how does Data Vault modeling address complexities in data integration and changes?
The correct answer is B. Data Vault models simplify data integration and adapt well to changes. Option B is correct because Data Vault is specifically designed to handle the two hardest problems in enterprise data integration: connecting data from many disparate sources and evolving gracefully when business rules or source systems change. Its three core structures - Hubs…
Question
When employing different data models (e.g., dimensional, Data Vault) in Snowflake, how does Data Vault modeling address complexities in data integration and changes?
Options
- AData Vault models restrict data access to specific user roles
- BData Vault models simplify data integration and adapt well to changes
- CData Vault models enhance data transformation capabilities
- DData Vault models offer limited scalability and flexibility
How the community answered
(49 responses)- B94% (46)
- C4% (2)
- D2% (1)
Explanation
Option B is correct because Data Vault is specifically designed to handle the two hardest problems in enterprise data integration: connecting data from many disparate sources and evolving gracefully when business rules or source systems change. Its three core structures - Hubs (business keys), Links (relationships), and Satellites (descriptive attributes) - decouple raw data ingestion from transformation, making it inherently agile.
Why the distractors are wrong:
- A is wrong because Data Vault says nothing about role-based access control; that's a security/governance concern handled separately (e.g., via Snowflake's RBAC).
- C is wrong because Data Vault deliberately defers complex transformations to a later layer (the Information Mart); it doesn't enhance transformation capabilities itself.
- D is the opposite of reality - Data Vault's append-only, parallelizable loading pattern is one of the most scalable modeling approaches available, especially in cloud platforms like Snowflake.
Memory tip: Think of Data Vault as a "raw historical archive with connectors" - Hubs, Links, Satellites (HLS). Because nothing is ever overwritten, adding a new source or changing a business rule just means adding new Satellites or Links, never breaking what already exists - that's the "adapts well to changes" in option B.
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