Power BI storage mode determines where query work happens, how fresh data can be, how much capacity is used, and which modeling features are available. […]
PL-300
Microsoft PL-300: DAX Filter Context and CALCULATE
DAX measures do not return one fixed value. They are evaluated inside a filter context created by the visual, slicers, page and report filters, relationships, […]
Microsoft PL-300: Star Schema and Power BI Relationships
A Power BI semantic model is easiest to reason about when facts and dimensions have clear roles. Microsoft guidance recommends star-schema design because it supports […]
Microsoft PL-300: Securing Power BI Workspaces and Data
Power BI security is layered. Workspace roles control collaboration, item and semantic-model permissions control who can use content, row-level security limits which rows some consumers […]
Microsoft PL-300: Power BI Performance Tuning
Power BI performance tuning should start by identifying where time is being spent. For Microsoft PL-300, slow reports can come from visual design, DAX, relationship […]