In the context of data warehousing and dimensional modeling, a **Reference Dimension** is a type of dimension that provides additional descriptive information about a fact table. It mainly serves the purpose of enriching the data by connecting various facts with meaningful context without containing any measure or quantitative data itself. Here are some key characteristics of a reference dimension: 1. **Static Data**: Reference dimensions usually contain relatively static data, such as categories, types, or classifications that do not change frequently.
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