Granularität (EN)
ConceptLevel of detail of data in the fact table
Granularity levels in the data model
flowchart TD A[Data source] --> B{Aggregation level} B --> C[High granularity
Transaction data] B --> D[Medium granularity
Daily sales] B --> E[Low granularity
Annual sales] C --> F[Very detailed
Analyses] D --> G[Standard reports] E --> H[Trend analyses] F --> I[High storage requirement] G --> J[Moderate storage requirement] H --> K[Low storage requirement] In context
- Typically used together with data aggregation, dimension tables, and fact tables
- Related to: Data modeling, OLAP, Data Warehouse
- Example use case: In retail, granularity can vary from individual transactions to monthly sales totals