The Best Ways to Approach Power BI Interview Questions

by ansh tiwari

Microsoft has created a business intelligence and analytics product called Power BI. Since more and more businesses are using Power BI, skilled users are in great demand. It takes a lot of practice to answer power bi interview questions correctly. To ensure your success in your upcoming interview, we have produced a list of the 73 most frequently asked questions in the field of power bi. 

The basics of Power BI, DAX, report creation, data modeling, and more will be covered. Whether you’re just starting or have years of experience under your belt, this list of power b interview questions will prove useful. You can use these questions to evaluate your current level of knowledge and skill with Power BI, no matter how long you’ve been using the program.

Power BI: An Overview

Microsoft Power BI is an analytics and visualization tool for businesses. Excel, SQL Server, Salesforce, and Google Analytics data can all be combined, transformed, and visualized with the help of this program. Power BI users can join information from many databases. With Power BI, you can make your charts, tables, and maps. Power Query in Power BI is your go-to tool for editing and visualizing data from multiple sources. Data can be combined, cleaned, formatted, calculated, and tallied with the help of this software. Power Pivot users may make pivot tables and pivot charts to examine massive datasets and spot patterns.

The Power View feature in Power BI enables users to design dynamic data visualizations for usage on the web, mobile devices, and other digital mediums. Power BI is a tool that facilitates data analysis and decision-making for enterprises, organizations, and individuals. You have the option of making interactive dashboards, reports, and visualizations that are cross-platform and device-agnostic.

A Breakdown of Power BI.

Microsoft’s solution for corporate analytics and data visualization is called “Power BI.” Various types of data can be imported, cleaned, charted, and shared. Power Platform includes Power BI. Data can be understood with the use of dashboards, charts, and reports.

Benefits of using Power BI.

Connect to various data sources, create dynamic reports and dashboards, and publish your results for others to use. Excel, SQL Server, Azure, and Google Analytics are just some of the programs that may be linked with Power BI. Make interactive reports and dashboards and release them to the public. Share data and keep an eye on each other’s screens as you work together. Natural language processing for data searching and querying. Creating reports is simple, even while you’re on the go. Businesses can benefit from using Power BI since it facilitates data analysis and the dissemination of findings to relevant parties.

Tableau with Microsoft’s Power BI

Tableau and Microsoft’s Power BI offer comparable but not identical data visualization and analysis features. Power BI from Microsoft has improved compatibility with Excel and SQL Server. Tableau is a standalone program that integrates with a wide variety of databases. Power BI is more intuitive and well-suited to small and medium-sized enterprises, whereas Tableau is more adept at handling complex data for huge corporations. Tableau excels at data mapping and blending, while Power BI excels at data modeling.

Side by Side Comparison of Power Query and Power Pivot

Tools Available in Excel You can alter and analyze data with Power Query and Power Pivot. Power Query can read and convert data from a wide variety of sources, including databases, text files, and web pages. Power Pivot makes it easy to create pivot tables, pivot charts, and connect data tables. Use calculated columns and metrics to dig deeper into your data.

You can use Power Query to gather data for your Power Pivot analysis.

In-country Power BI?

Microsoft’s proprietary data analysis and visualization program. Users can consolidate data from various sources, make edits and improvements, and build and share dashboards and reports. Users of all technical backgrounds will be able to use this program to create engaging charts, graphs, and reports. Businesses of all sizes can benefit from BI Desktop’s ability to make data analysis and decision-making easier.

Point of no return?

Add-in for Excel Data is modeled and analyzed using Pivot. Users can easily create charts, pivot tables, and hierarchies out of their data. Complex data can be summarized and calculated with the help of Pivot’s DAX mathematical language. provides a more interesting study of massive datasets than Excel.

Query?

The query can either be used independently as a tool for manipulating data or as an add-in to Excel. Spreadsheets and data models created in Excel can contain information gathered from a wide variety of sources. Power Query’s data models can be used in Power BI’s dashboards and reports.

DAX?

For data modeling and reporting in Microsoft Excel and Power BI, the language known as Data Analysis Expressions (DAX) is essential. It can quickly collect relational data in the same way that Excel formulas do. Data analysis tools like DAX make it simple to generate calculated columns, tables, and metrics.

Filters with Power BI?

Power BI filters allow for the hiding of dashboards and reports. They can choose which columns in a dataset to examine and which to ignore. Power BI’s filter options range from rudimentary to complex. Multiple filters can be combined to apply complex criteria to photos, web pages, and reports. They are helpful when making comparisons or sorting through data.

Data Visualization with Power BI?

You can alter Power BI’s graphs and charts to fit your needs. They may be used by third-party developers and can be downloaded through the Power BI Marketplace. You may alter the appearance of many different kinds of diagrams, including Gantt charts, sunburst diagrams, and heat maps. Users benefit from these dynamic visuals since they are easier to understand and evaluate.

The Might of the Masses GetData?

The GetData function in Power BI gives users the option of retrieving information from a wide range of sources, including databases, files, and even online services. Users of Power BI can compile, alter, and clean data before using it in charts, graphs, and dashboards. Users using Power BI can see and create reports from data that has been imported or connected.

Give a summary of the different connectivity choices available in Power BI.

Among the many possible integrations with Power BI is the direct sending of a request to a database server.

Connecting to and syncing with online data sources in near-real time.

The data is copied exactly and cannot be changed thanks to Power BI’s import function.

Composite models establish connections between variables by combining information from multiple data sets.

Power BI Dataflow lets users build data pipelines that can be reused and governed for usage in Power BI and beyond.

Power BI lets you create and flip across multi-page reports.

How many distinct Power BI updates are there?

Power BI offers several ways to alter information. Users can manually update report information by clicking the “Refresh” button. Reports that are automatically refreshed at regular intervals. To incorporate timely information into your report, link to a streaming data source or make use of the Power BI API. All reports can have their data updated with a single click. A database’s only updated sections are those that have been altered or expanded upon since the last full database refresh. This option is only available from a small subset of data providers. You can query the source database directly with DirectQuery rather than having to bring it into Power BI first. Without needing to import the data, you can examine a report created in another service (such as Analysis Services or Power BI Report Server) in Power BI. Updating the Flow of Data in Power Automation. Consider the data’s age, size, and rate of change while deciding on a data refresh approach.

To what extent is it possible to input data into Power BI? 

Databases built on Microsoft’s SQL Server. Oracle database software should be used to search for relevant information in MySQL and PostgreSQL tables. Database catalogs from HANAO, totaling two terabytes of information JSON files serving as the data sources Tables in comma separated valuesSoftware for Google Analytics Salesforce 365 Web-Based SharePoint AnalyticsUse the Azure Data Lake Explorer to access your SQL database hosted on Azure Data Lake Storage. Using Azure Blob Storage, synapses can be analyzed in the cloud.

Kindly walk me through Power BI’s graphical user interface.

Visuals like charts and graphs are included in Power BI dashboards to aid with data analysis and monitoring. Users get quick and easy access to vital metrics and insights, facilitating collaboration and better decisions. 

Can you explain what Power BI Desktop “connections” actually are? 

Power BI Desktop allows for the creation of associations between data model tables. Data from multiple tables can be combined into a single graphic or report. Making a connection between two tables’ primary columns and their related secondary columns. In a database, the columns known as “keys” define the links between various tables. “Primary key” and “foreign key” are different.  In Power BI Desktop, you can begin connecting tables by clicking “Manage relationships” under the “Home” menu.

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