Unlocking Your Dream Job in Data Analytics: Top 10 PowerBI Interview Questions

:bulb:Measures are used to calculate things on top of a table, while calculated columns are part of the table.

:chart_with_upwards_trend:Publishing a PowerBI report involves saving the file, selecting a workspace, and ensuring proper access for viewers.

:bar_chart:Handling missing data in PowerBI can be done through imputation, ignoring the missing values, or seeking data from the source.

:keyboard:DAX (Data Analysis Expressions) is the calculation language of PowerBI used to create measures, columns, and tables.

:link:Connecting multiple data sources in PowerBI involves using Power Query to merge, append, or combine tables.

What is the difference between measures and calculated columns in PowerBI?

—Measures are used to calculate things on top of a table, while calculated columns are part of the table itself.

How do you publish a PowerBI report to the PowerBI service?

—To publish a PowerBI report, save the file, select a workspace, and ensure proper access for viewers.

How do you handle missing data in PowerBI?

—Missing data in PowerBI can be handled through imputation, ignoring the missing values, or seeking data from the source.

What is DAX and how is it used in PowerBI?

—DAX (Data Analysis Expressions) is the calculation language of PowerBI used to create measures, columns, and tables.

How do you connect multiple data sources in PowerBI?

—To connect multiple data sources in PowerBI, use Power Query to merge, append, or combine tables.

00:00Introduction to unlocking dream job in data analytics through PowerBI.

00:05Overview of the top 10 PowerBI interview questions to expect.

00:30Explanation of the difference between measures and calculated columns in PowerBI.

02:04Process of publishing a PowerBI report to the PowerBI service.

02:56Effective strategies for handling missing data in PowerBI.

05:31Insight into the purpose and usage of DAX formulas in PowerBI.

07:30Step-by-step guide to connecting multiple data sources in PowerBI.

08:11Comparison of PowerBI Desktop and PowerBI Service functionalities.

09:10Techniques for optimizing performance in PowerBI reports.

11:48Explanation of row-level security and its implementation in PowerBI.