Snowflake Schema vs Star Schema

Microsoft Power BI 7 min min read Updated: Mar 07, 2026
Snowflake Schema vs Star Schema
Topic 3 of 3

Snowflake vs Star Schema

Both schema designs organize data in warehouses, but star schema is simpler.

Key Differences

  • Star schema has fewer joins
  • Snowflake schema normalizes dimension tables
  • Star schema improves Power BI performance

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