Power BI and Tableau Developer Interview Questions and Answers

End users access the report through a web browser or mobile app.

• End users can access the report through a web browser on their desktop or laptop.

• They can also access the report through a mobile app on their smartphones or tablets.

• Access can be restricted based on user roles and permissions.

• Reports can be shared via email or embedded in other applications.

• End users may also access reports through a centralized dashboard.

• Scheduled reports can be automatically delivered to end u...read more

Import mode loads data into Power BI/Tableau memory, while Direct Query mode connects to data source in real-time.

• Import mode loads data into memory for faster analysis and visualization

• Direct Query mode connects to data source in real-time for up-to-date data

• Import mode is suitable for smaller datasets, while Direct Query is better for large datasets or when real-time data is needed

Data modeling is the process of creating a visual representation of data structures and relationships in a database.

• Data modeling involves identifying entities, attributes, and relationships.

• It helps in organizing data in a way that is easy to understand and analyze.

• Examples of data modeling tools include ER diagrams, UML diagrams, and data flow diagrams.