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Data Modeling in Power BI: Star Schema in Plain English
DAX & Data Modeling
Data Modeling in Power BI: Star Schema in Plain English

A star schema centers a fact table (transactions, events) surrounded by dimension tables (customers, products, dates). Clear relationships reduce ambiguity in filter context and m…

Power BI Learning Hub 20 May 2026
DAX Measures Every Beginner Should Master First
DAX & Data Modeling
DAX Measures Every Beginner Should Master First

Start with explicit measures instead of implicit column aggregations. Master SUM, CALCULATE to modify filters, and DIVIDE for safe ratios. Understand row context vs filter context…

Power BI Learning Hub 20 May 2026
Time Intelligence in DAX: YTD, MTD, and Prior Year
Dashboards & Reports
Time Intelligence in DAX: YTD, MTD, and Prior Year

Time intelligence requires a Date table marked as a date table in the model. Functions like TOTALYTD, SAMEPERIODLASTYEAR, and DATESYTD depend on continuous date coverage.Validate…

Power BI Learning Hub 20 May 2026