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Dev.to
6/30/2026
DATA MODELLING RELATIONSHIPS AND SCHEMAS IN POWER BI

DATA MODELLING RELATIONSHIPS AND SCHEMAS IN POWER BI

Short summary

Power BI dashboards are built on solid data models created through data modeling—organizing tables and defining relationships so Power BI can combine them into meaningful reports. The star schema approach places a central fact table (events and transactions) surrounded by dimension tables (descriptive information), eliminating duplicates and ensuring consistency. Clean, well-structured models make dashboards faster to build, easier to maintain, and more reliable for decision-making.

  • •Data modeling organizes tables and defines relationships for meaningful Power BI reports
  • •Star schemas use a central fact table surrounded by dimension tables to reduce duplicates and ensure consistency
  • •Well-structured data models accelerate dashboard development and improve maintainability

Generated with AI, which can make mistakes.

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