面试题与答案

Power BI is a business analytics service by Microsoft that provides interactive visualizations and business intelligence capabilities with an interface simple enough for end users to create their own reports and dashboards.

A data model in Power BI is a collection of data tables, relationships, and calculations that are used to create meaningful visualizations and insights.

A slicer in Power BI is a visual control that allows users to filter data in a report. It provides a way to easily select and view specific data points or ranges.

Power BI reports can be shared by publishing them to the Power BI Service, where users can access and view the reports online. Sharing options include sharing a dashboard, creating a shareable link, or embedding the report in a website.

To create a hierarchy in Power BI, you can drag and drop related fields onto each other in the Fields pane. For example, you can create a date hierarchy by dragging the Year, Quarter, and Month fields onto the axis in a visual.

The 'Card' visual in Power BI is used to display a single, key data point. It is often used to show a summary or a key performance indicator (KPI) in a concise and easily readable format.

The 'Card' visual in Power BI is used to display a single, key data point. It is often used to show a summary or a key performance indicator (KPI) in a concise and easily readable format.