In Dimensional Modeling, a _______ key is a surrogate key generated to uniquely identify each record in a dimension table.
- Composite
- Foreign
- Primary
- Surrogate
In Dimensional Modeling, a surrogate key is a unique identifier generated for a dimension table. It replaces the natural key to provide a stable and efficient way to uniquely identify records, especially when dealing with slowly changing dimensions. This enhances data warehouse performance and simplifies data management.
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