DataVault Hub
Overview
Data Vault hub is a table type that stores unique business keys in a Data Vault structure.
Function
Use this type when the warehouse uses Data Vault modeling and requires a stable record of business keys. Selecting it acts as the central business-key entity for satellites and links.
When to use
Choose Data Vault hub when the warehouse uses Data Vault modeling and requires a stable record of business keys.
Behavior in AnalyticsCreator
| Area | Behavior |
|---|---|
| Configuration | Configure the business key, hub identifier, load metadata, and related package behavior. |
| Processing | Hub processing inserts new business keys without replacing existing keys. |
| Output | The hub provides stable identities used by related satellites and links. |
Type-specific properties
| Property | Description |
|---|---|
| Business key | Natural key represented by the hub. |
| Hub identifier | Surrogate or hash-based identifier used by relationships. |
| Load metadata | Technical columns describing the load. |
| Relationships | Satellite and link structures connected to the hub. |
Compatibility and limitations
A stable business key is required. Descriptive attributes should normally be stored in satellites.
Relationships
| Related entity | Relationship |
|---|---|
| Table | The table type defines the purpose and behavior of the table entity. |
| Schema | The schema type and warehouse architecture influence which table types are normally used. |
| Package | Import, historization, and persisting packages can populate specific table types. |
