You’ve got a LOT of questions about datamarts in Power BI! Adam answers a few that we’ve seen popping up. Giving his thoughts on these questions.

Introduction to datamarts
https://docs.microsoft.com/power-bi/transform-model/datamarts/datamarts-overview

Comparing dataflows to datamarts
https://docs.microsoft.com/power-bi/transform-model/datamarts/datamarts-overview#comparing-dataflows-to-datamarts

When to use dataflows
https://docs.microsoft.com/power-bi/transform-model/dataflows/dataflows-introduction-self-service#when-to-use-dataflows