Granularity
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What is Granularity?
Granularity refers to the level of detail represented by each row in a fact table, such as one row per transaction versus one row per day. Choosing the right granularity affects both performance and what kinds of calculations are possible, since aggregating up is easier than breaking data down further after the fact. Mismatched granularity between related tables is a common source of modeling problems.
Free resources to learn Granularity
More in stage 6: Schema Design
Granularity: common questions
Can I learn Granularity in Hindi?
This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Granularity in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.
Is this Granularity tutorial for beginners?
It is lesson 29 of 131 in the free Power BI roadmap, in stage 6, Schema Design. If you are new to Power BI, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.