What characteristic of Data Vault modeling supports auditing?

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Multiple Choice

What characteristic of Data Vault modeling supports auditing?

Explanation:
Auditing in Data Vault is supported by the time-variant storage that the architecture uses. Hubs hold the unique business keys, links capture the relationships between those keys, and satellites store the descriptive data along with metadata and timestamps. Because satellites are appended to record every change rather than overwritten, you create a complete history and a traceable lineage from source systems to business concepts. This design lets you reconstruct the state of any entity at any point in time and see exactly when and where data changed, which is essential for audits. In contrast, a star schema isn’t built to preserve full history or lineage, a single wide fact table blends data and history, and no history retention loses the audit trail entirely.

Auditing in Data Vault is supported by the time-variant storage that the architecture uses. Hubs hold the unique business keys, links capture the relationships between those keys, and satellites store the descriptive data along with metadata and timestamps. Because satellites are appended to record every change rather than overwritten, you create a complete history and a traceable lineage from source systems to business concepts. This design lets you reconstruct the state of any entity at any point in time and see exactly when and where data changed, which is essential for audits. In contrast, a star schema isn’t built to preserve full history or lineage, a single wide fact table blends data and history, and no history retention loses the audit trail entirely.

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