Power BI Relationships - Simply Explained

You can build a clean Power BI report that hands you the wrong numbers. You have five tables, clean columns, a report that looks finished, and every row still shows the same total. In this episode of Simply Explained you will learn: Why your numbers go wrong when tables don't talk What a relationship is, in plain terms Cardinality, the word that decides which table leads Which way the filters travel Reading the solid and dashed lines The star shape that keeps a model simple The rules a relationship has to follow Where beginners get burned What a relationship can't do Where this fits in Microso