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Microsoft Certified: Power BI Data Analyst Associate · Microsoft
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The best approach is to reuse the existing Power BI dataset (Semantic Model) instead of rebuilding the model.
Since a report was already published and its data model already has measures built into it, connecting to the Power BI dataset (also called a semantic model) lets you build a brand-new report that reuses the entire existing model — tables, relationships, and all those already-built measures — via a live connection. You get a fresh report canvas without redoing any of the modeling or DAX work.
The question says: ✅ There is an existing Power BI report. ✅ The data model already contains several measures. ✅ You need to create another report. ✅ Minimize development effort. The best approach is to reuse the existing Power BI dataset (Semantic Model) instead of rebuilding the model. When you connect to an existing Power BI dataset: You reuse all measures. Relationships and calculated columns are already available. No need to recreate the model. Only design the report visuals.