Granularität (EN)

Concept

Level 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
Quelle: AI Generated