Power BI Interview Questions

Checkout Vskills Interview questions with answers in Power BI to prepare for your next job role. The questions are submitted by professionals to help you to prepare for the Interview.

Q.1 What is Power BI?

Power BI is a business analytics service by Microsoft that allows users to visualize and share insights from their data.

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Q.2 What are the key components of Power BI?

Power BI Desktop, Power BI Service, and Power BI Mobile are the main components.

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Q.3 Explain Power Query in Power BI.

Power Query is a data transformation and shaping tool in Power BI that allows users to connect, transform, and clean data from various sources.

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Q.4 What is Power BI DAX?

DAX (Data Analysis Expressions) is a formula language used in Power BI for creating custom calculations and aggregations in data models.

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Q.5 What is the difference between Power BI Desktop and Power BI Service?

Power BI Desktop is used for creating reports, while Power BI Service is used for publishing, sharing, and collaborating on reports.

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Q.6 How can you import data into Power BI?

You can import data from various sources like databases, Excel files, web services, and more using Power Query.

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Q.7 What is a Power BI Gateway?

A Power BI Gateway allows you to connect on-premises data sources to Power BI Service.

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Q.8 Explain the concept of data modeling in Power BI.

Data modeling in Power BI involves defining relationships between tables, creating calculated columns, and measures to build a structured data model for analysis.

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Q.9 What are Power BI visuals?

Power BI visuals are graphical representations of data, such as charts, graphs, and tables, used to present insights in reports.

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Q.10 What is a slicer in Power BI?

A slicer is a visual filter that allows users to interactively filter data in a report.

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Q.11 How do you create a calculated column in Power BI?

You can create calculated columns using DAX expressions in Power Query Editor or the Data Modeling tab in Power BI Desktop.

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Q.12 What is a measure in Power BI?

A measure is a DAX expression that calculates an aggregated value, such as sum or average, based on the data in a table.

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Q.13 What is a Power BI dashboard?

A Power BI dashboard is a single-page view that displays a collection of visuals and key insights from multiple reports.

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Q.14 How can you share a Power BI report with others?

You can share a Power BI report by publishing it to the Power BI Service and granting access to specific users or groups.

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Q.15 What is Power BI Embedded?

Power BI Embedded is a feature that allows developers to integrate Power BI reports and dashboards into custom applications.

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Q.16 How do you create a custom visualization in Power BI?

You can create custom visuals using the Power BI developer tools and libraries, such as the Power BI Visuals SDK.

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Q.17 What is the difference between a slicer and a filter in Power BI?

Slicers are user-friendly visual filters that users can interact with directly on a report page, while filters can be applied in the Filters pane and are more powerful.

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Q.18 Explain DirectQuery and Import modes in Power BI.

Import mode loads data into the Power BI data model for fast performance, while DirectQuery connects to the data source in real-time without importing data.

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Q.19 What is the purpose of Power BI Query Folding?

Query Folding is a performance optimization technique that pushes data transformation tasks back to the data source, reducing the data transferred to Power BI.

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Q.20 How can you schedule data refresh in Power BI Service?

You can set up scheduled data refresh in Power BI Service to keep the data in your reports up-to-date automatically.

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Q.21 What is the role of Power BI Gateway in data refresh?

Power BI Gateway allows on-premises data sources to be refreshed in Power BI Service by establishing a secure connection.

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Q.22 How can you create a calculated table in Power BI?

You can create calculated tables using DAX expressions in Power Query Editor or Data Modeling tab.

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Q.23 What is the difference between a calculated column and a calculated table?

A calculated column computes values for each row in a table, while a calculated table creates a new table based on a DAX expression.

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Q.24 What is the purpose of the Power BI Desktop Model view?

Model view in Power BI Desktop helps you visualize and manage relationships, calculations, and hierarchies in your data model.

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Q.25 How can you secure sensitive data in Power BI reports?

You can use Row-level security and Data-level security to restrict access to specific data based on user roles and rules.

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Q.26 What is a data source in Power BI?

A data source in Power BI is the location or file from which you import data, such as databases, Excel files, or web services.

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Q.27 Explain the difference between Power BI Pro and Power BI Premium.

Power BI Pro is a per-user subscription that allows users to create and share reports, while Power BI Premium is a capacity-based subscription for larger-scale deployments.

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Q.28 What are Power BI workspaces, and why are they important?

Workspaces are containers for organizing and collaborating on Power BI content, including reports, dashboards, and datasets.

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Q.29 What is Power BI Power Query Editor, and how is it used?

Power Query Editor is a data transformation tool in Power BI used to clean, reshape, and transform data before loading it into the data model.

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Q.30 How do you handle missing or incomplete data in Power BI?

You can use Power Query to handle missing data by filtering, filling, or imputing values as needed.

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Q.31 What is the purpose of the Power BI Data Model?

The Power BI Data Model is used to define relationships, create calculations, and optimize data for reporting and analysis.

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Q.32 Explain the concept of drill-through in Power BI.

Drill-through allows users to navigate from one report page to another, focusing on specific data details.

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Q.33 What is the Power BI Paginated Report Builder, and when is it used?

The Paginated Report Builder is a tool used to create paginated reports in Power BI, suitable for pixel-perfect printing or PDF generation.

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Q.34 How can you create custom themes in Power BI?

You can create custom themes in Power BI by defining color schemes, fonts, and other visual settings.

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Q.35 What is the purpose of the Power BI Dataflow feature?

Dataflows allow users to create reusable data transformations that can be applied to multiple datasets and reports.

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Q.36 What is the Q&A feature in Power BI, and how does it work?

Q&A enables users to ask natural language questions about their data and receive visualized answers.

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Q.37 Explain the concept of Power BI templates.

Power BI templates are files containing report layouts, visuals, and other elements that can be reused for consistent report creation.

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Q.38 How can you enable row-level security in Power BI?

Row-level security can be implemented by defining roles and rules in Power BI Desktop and Power BI Service.

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Q.39 What is a Power BI Content Pack, and how does it differ from a Power BI App?

A Content Pack is a collection of dashboards, reports, and datasets that can be shared, while an App is a bundle of content with a predefined navigation experience.

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Q.40 What is Power BI Premium Per User (PPU)?

Power BI Premium Per User is a subscription plan that offers some Premium features on a per-user basis.

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Q.41 Explain the purpose of calculated tables in Power BI.

Calculated tables are created using DAX expressions and are useful for generating new tables based on existing data.

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Q.42 What are Power BI Quick Insights?

Quick Insights are automatic data analysis and visualization suggestions provided by Power BI.

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Q.43 How can you export data from Power BI to other formats, such as Excel?

Data can be exported from Power BI visuals to Excel, CSV, or other formats using the Export feature.

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Q.44 What is the purpose of the Power BI Developer API?

The Developer API allows developers to integrate Power BI functionality into custom applications and solutions.

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Q.45 What is a slicer sync in Power BI?

Slicer sync is a feature that allows slicers to affect multiple report pages simultaneously.

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Q.46 How can you create a hierarchy in Power BI?

Hierarchies can be created by defining parent-child relationships between columns in the Data Model.

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Q.47 What is the difference between a calculated column and a measure in terms of storage and performance?

Calculated columns are stored in the data model and can consume more memory, while measures are calculated on the fly and are memory-efficient.

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Q.48 What is the purpose of Power BI Dataflows vs. Power Query in Power BI Desktop?

Dataflows are designed for data preparation and transformation in the cloud, while Power Query in Power BI Desktop is for on-premises data transformation.

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Q.49 How can you add custom tooltips to visuals in Power BI?

Custom tooltips can be added by creating DAX expressions in the Tooltip field well of a visual.

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Q.50 Explain the concept of drill-through filters in Power BI.

Drill-through filters allow users to define specific fields or measures that can be used for navigating to detailed pages.

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Q.51 What is the difference between a calculated column and a calculated table in terms of usage?

Calculated columns are used for creating new columns in an existing table, while calculated tables create entirely new tables.

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Q.52 How can you create a custom connector in Power BI?

Custom connectors can be created using the Power Query M formula language.

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Q.53 What is the purpose of Power BI's "Publish to web" feature?

"Publish to web" allows you to publish reports as public web pages, suitable for sharing with a broader audience.

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Q.54 How can you create a live connection to an Analysis Services model in Power BI?

You can create a live connection by selecting the Analysis Services data source and providing the connection details.

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Q.55 What is the Power BI Gateway Cluster, and when is it used?

The Gateway Cluster is used for high availability and load balancing in enterprise environments.

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Q.56 How do you optimize the performance of Power BI reports?

Performance optimization involves minimizing data model size, optimizing DAX calculations, and using summarization techniques.

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Q.57 What is the difference between calculated columns and calculated tables in terms of storage and processing?

Calculated columns are stored in the data model, while calculated tables are recalculated during query processing.

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Q.58 What is the purpose of the Power BI Publish to PDF feature?

Publish to PDF allows you to export and share a report as a PDF document.

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Q.59 How can you enable cross-filtering in Power BI visuals?

Cross-filtering can be enabled in the Visualizations pane by turning on the "Edit interactions" option.

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Q.60 What is the Power BI Live Connection to Power BI dataset, and why would you use it?

Live Connection enables reports to connect directly to a Power BI dataset, ensuring data consistency and centralized data management.

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Q.61 What is the difference between a calculated column and a measure in terms of their use in visuals?

Calculated columns can be used directly in visuals, while measures are used in calculations for summarization.

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Q.62 What is the Power BI Paginated Report Builder, and how is it different from Power BI Desktop?

Paginated Report Builder is used for creating paginated reports, which are more suitable for printing and PDF generation, while Power BI Desktop is for interactive reports.

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Q.63 How can you create a custom visualization in Power BI using a custom visual?

Custom visuals can be created using JavaScript and the Power BI Custom Visuals SDK.

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Q.64 What is the purpose of a Power BI shared dataset, and how is it different from a Power BI dataset?

A shared dataset allows multiple reports to use the same dataset, ensuring consistency and reducing duplication.

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Q.65 How can you create a calculated column in Power BI using DAX?

To create a calculated column, use the "New Column" option in Power Query or the Data Modeling tab in Power BI Desktop.

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Q.66 Explain the role of Power BI Dataflows vs. Power BI Dataflows in Power BI Service.

Power BI Dataflows are used for data preparation and transformation in Power BI Service, while Power Query in Power BI Desktop is for data transformation on the client side.

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Q.67 What is Power BI Dataflows and how does it benefit data preparation workflows?

Power BI Dataflows is a cloud-based data preparation tool that enables data cleansing, shaping, and transformation, which can be reused in multiple datasets and reports.

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Q.68 How do you create a hierarchy in Power BI, and what are its advantages?

Hierarchies can be created by defining relationships between columns in the Data Model, allowing users to navigate data more easily.

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Q.69 What is the purpose of Power BI's Query Dependencies view?

Query Dependencies view helps you visualize and manage the dependencies between queries in Power Query Editor.

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Q.70 How can you optimize Power BI reports for mobile devices?

You can use Power BI's responsive design features to optimize reports for mobile devices.

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Q.71 Explain the concept of calculated columns in Power BI and provide an example.

Calculated columns are used to create new columns in a table based on DAX expressions. For example, you can create a calculated column to calculate profit by subtracting expenses from revenue.

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Q.72 What is the Power BI Composite Model, and when is it used?

The Composite Model allows you to combine DirectQuery and Import data sources in a single report, offering real-time and high-performance capabilities.

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Q.73 How can you schedule data refresh for Power BI datasets published to the Power BI Service?

Data refresh can be scheduled using the Power BI Service's dataset settings, ensuring data remains up-to-date.

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Q.74 What is Power BI Dataflows vs. Power BI DirectQuery?

Power BI Dataflows is a data preparation and transformation tool, while DirectQuery allows real-time querying of data sources without importing data.

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Q.75 What is Power BI Paginated Reports vs. Power BI Interactive Reports?

Paginated reports are designed for pixel-perfect printing and PDF generation, while interactive reports allow users to explore and interact with data.

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Q.76 What is the purpose of Power BI's "Publish to web" feature, and what are the security considerations?

"Publish to web" allows you to create publicly accessible web pages from Power BI reports. Be cautious with sensitive data, as it's publicly accessible.

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Q.77 How do you create a custom connector in Power BI, and what is it used for?

Custom connectors can be created using the Power Query M formula language to connect to data sources not supported out of the box.

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Q.78 Explain the concept of Power BI row-level security and provide an example of its use.

Row-level security restricts access to specific rows in a table based on user roles and rules. For example, you can limit a sales manager to view only their team's sales data.

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Q.79 What is the Power BI Developer API, and how can it be used to extend Power BI functionality?

The Developer API allows developers to automate tasks, create custom visuals, and integrate Power BI functionality into other applications.

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Q.80 How can you enable drill-through functionality in Power BI reports?

Drill-through can be enabled in Power BI Desktop by defining fields that users can drill through to view more detailed data.

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Q.81 What is the purpose of the Power BI Publish to PDF feature, and how can it be used?

Publish to PDF allows you to export your Power BI report as a PDF document for sharing and printing purposes.

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Q.82 How do you optimize the performance of Power BI reports with large datasets?

Performance optimization involves techniques like summarization, partitioning, and using DirectQuery for large datasets.

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Q.83 What are the benefits of using Power BI templates, and how can you create and use them?

Power BI templates streamline report creation by providing predefined layouts, visuals, and data connections. You can create and use templates in Power BI Desktop.

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Q.84 What is the purpose of the "Export to data lake" feature in Power BI, and how does it work?

Export to data lake allows you to export data from Power BI datasets to an Azure Data Lake Storage Gen2 account for advanced analytics and data processing.

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Q.85 How can you use Power BI REST APIs to automate tasks in Power BI Service?

Power BI REST APIs can be used to automate dataset creation, report publishing, and user management tasks in Power BI Service.

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Q.86 What is Power BI Dashboard vs. Power BI Report vs. Power BI Dataset?

A dashboard is a collection of visuals and insights, a report contains pages with visuals, and a dataset is the data source used in reports.

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Q.87 How do you create a custom theme in Power BI, and why might you want to do so?

Custom themes can be created by defining color schemes, fonts, and other visual settings to match branding or corporate styles.

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Q.88 What is the Power BI Gateway Cluster, and when is it used in enterprise environments?

The Gateway Cluster is used to ensure high availability and load balancing for multiple Power BI Gateways in enterprise scenarios.

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Q.89 How can you implement cross-filtering between visuals in Power BI?

Cross-filtering can be implemented by configuring interactions between visuals in the Visualizations pane.

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Q.90 What is the Power BI DirectQuery mode, and when is it recommended for data sources?

DirectQuery mode allows real-time querying of data sources without importing data. It's recommended for large or frequently updated datasets.

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Q.91 How can you create a calculated table in Power BI, and what are some use cases for it?

Calculated tables can be created using DAX expressions in Power Query or the Data Modeling tab and are useful for generating additional data for analysis.

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Q.92 What is the difference between a calculated column and a measure in terms of memory consumption?

Calculated columns consume more memory as they are stored in the data model, while measures are calculated on the fly and are memory-efficient.

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Q.93 Explain the purpose of Power BI's Query Dependencies view and when it's useful.

Query Dependencies view helps you visualize and manage the dependencies between queries in Power Query Editor, aiding in data transformation workflows.

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Q.94 How can you optimize Power BI reports for mobile devices, and what considerations should you keep in mind?

Consider responsive design, layout, and visual size to optimize reports for mobile devices.

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Q.95 What is Power BI Dataflows and how does it benefit data preparation workflows compared to Power Query in Power BI Desktop?

Power BI Dataflows allow data preparation in the cloud, promoting data reuse and collaboration, while Power Query in Power BI Desktop is for client-side data transformation.

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Q.96 What is the Power BI Composite Model, and when is it used in reporting scenarios?

The Composite Model enables combining DirectQuery and Import data sources for both real-time and high-performance data analysis.

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Q.97 How do you schedule data refresh for Power BI datasets in the Power BI Service, and what are the frequency options?

Data refresh scheduling can be set in the Power BI Service with options for daily, weekly, or custom intervals.

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Q.98 What is Power BI Dataflows vs. Power BI Dataflows, and how do they differ in terms of data transformation?

Power BI Dataflows is for cloud-based data preparation and transformation, while Power Query in Power BI Desktop is for client-side data transformation.

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Q.99 What is Power BI Paginated Reports vs. Power BI Interactive Reports, and what are their primary use cases?

Paginated reports are suited for printing and PDF generation, while interactive reports enable exploration and analysis of data.

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Q.100 What is the "Publish to web" feature in Power BI, and what are the security considerations when using it?

"Publish to web" allows creating publicly accessible web pages from Power BI reports; exercise caution when sharing sensitive data, as it becomes publicly accessible.

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Q.101 What is a Power BI Gateway Data Source and why is it important?

A Power BI Gateway Data Source defines the connection details to an on-premises data source, allowing Power BI Service to refresh data from it.

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Q.102 Explain the difference between calculated columns and calculated tables in terms of data modeling.

Calculated columns create new columns in an existing table, while calculated tables create entirely new tables based on DAX expressions.

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Q.103 What is a Power BI template app, and how can it be used?

A template app is a package of pre-built Power BI content that can be shared and used as a starting point for creating reports and dashboards.

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Q.104 What is Power BI Report Server, and when is it used in a Power BI deployment?

Power BI Report Server is an on-premises solution for publishing, managing, and delivering Power BI reports within an organization's network.

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Q.105 How can you create and use bookmarks in Power BI reports?

Bookmarks are used to capture and apply the current view, selection, and state of a report page, allowing users to navigate between different views.

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Q.106 Explain the purpose of the Power BI REST API and provide an example of its use.

The Power BI REST API allows developers to programmatically interact with Power BI content, such as creating reports or automating data refreshes.

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Q.107 What are Power BI shared datasets, and how do they differ from imported datasets?

Shared datasets are centralized data sources that multiple reports can connect to and are maintained separately from reports. Imported datasets are embedded within the report file.

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Q.108 How can you use Power BI's Drillthrough feature in reports, and what are its benefits?

Drillthrough allows users to explore data in detail by navigating from one report page to another, focusing on specific aspects of the data.

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Q.109 What is the difference between Power BI's "Publish to web" and "Embed in website" features?

"Publish to web" creates publicly accessible web pages from Power BI reports, while "Embed in website" allows embedding reports in web applications with more control over access.

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Q.110 How can you create a custom connector in Power Query for a specific data source?

Custom connectors can be developed using Power Query M formula language and registered in Power BI Desktop.

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Q.111 What is the purpose of Power BI's Data Analysis Expressions (DAX) language, and how is it used in reports?

DAX is used to create custom calculations, aggregations, and measures for reports, enabling complex data analysis.

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Q.112 What is the Power BI Admin Portal, and what administrative tasks can be performed there?

The Admin Portal is used for managing Power BI tenant settings, user access, and monitoring usage and performance.

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Q.113 How can you create calculated columns and measures that handle date and time functions in Power BI?

Date and time calculations can be performed using DAX functions like DATEADD, DATEDIFF, and CALENDAR.

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Q.114 Explain the purpose of Power BI's Natural Language Query (NLQ) feature.

NLQ allows users to ask questions in natural language to generate visuals and insights in Power BI.

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Q.115 What is the Power BI Mobile App, and how can it be used for accessing reports and dashboards?

The Power BI Mobile App allows users to access and interact with Power BI content on mobile devices, providing real-time data insights on the go.

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Q.116 How can you create custom themes in Power BI for consistent branding across reports?

Custom themes can be created by defining color palettes, fonts, and other visual styles using JSON files.

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Q.117 What is the Power BI Gateway for Power BI datasets, and when is it used?

The Gateway for Power BI datasets allows Power BI Service to connect to on-premises data sources used by Power BI datasets.

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Q.118 How can you use the Power BI AI Insights feature to automatically find patterns and trends in data?

AI Insights in Power BI can automatically identify patterns, anomalies, and key insights in your data.

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Q.119 What is the purpose of the Power BI "Analyze in Excel" feature, and how does it work?

"Analyze in Excel" allows users to export data from Power BI to Excel for more advanced analysis and reporting.

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Q.120 How can you implement drillthrough actions in Power BI reports, and what are their benefits?

Drillthrough actions can be defined to allow users to navigate to detailed reports or pages, improving interactivity.

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Q.121 What is Power BI's DirectQuery over Power BI datasets, and how does it work?

DirectQuery over Power BI datasets allows for real-time querying of data while still benefiting from dataset optimizations.

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Q.122 Explain the concept of Key Influencers visuals in Power BI, and how can they be used for data analysis?

Key Influencers visuals help identify factors that influence a particular outcome or metric by analyzing data patterns.

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Q.123 What is the Power BI Export to PDF feature, and how can it be customized for reporting needs?

Export to PDF allows you to create PDF documents from Power BI reports, and you can customize the layout and content.

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Q.124 How can you use Power BI's "Publish to web" feature securely, considering data sensitivity?

Be cautious when using "Publish to web" and avoid sharing sensitive or confidential data, as it is accessible to the public.

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Q.125 What is the Power BI Admin API, and what administrative tasks can be automated using it?

The Admin API allows programmatically managing Power BI tenant settings, user roles, and licenses.

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Q.126 What is the purpose of Power BI's Smart narratives feature, and how can it be used for storytelling with data?

Smart narratives automatically generate descriptive insights and narratives based on data, aiding in data storytelling.

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Q.127 How can you use Power BI's external tools integration for advanced data preparation and analysis?

External tools can be integrated to extend Power BI's capabilities for tasks like data profiling, transformation, and visualization.

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Q.128 Explain the concept of Power BI's "Publish to PDF" vs. "Publish to PowerPoint" features.

"Publish to PDF" exports a report as a PDF document, while "Publish to PowerPoint" generates PowerPoint slides from a report.

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Q.129 What is Power BI's AutoML capability, and how does it assist in machine learning tasks?

AutoML in Power BI helps users automatically build machine learning models for predictive analytics without coding.

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Q.130 How can you enable and use the Power BI Service Live Connection to Analysis Services?

You can connect to Analysis Services models in Power BI Service by providing the server and model details, enabling real-time data access.

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Q.131 What is Power BI's AI-powered decomposition tree visual, and how can it be used for analysis?

The decomposition tree visual helps break down complex data into contributing factors and is useful for root cause analysis.

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Q.132 How can you schedule dataset refreshes in Power BI when using the Power BI Gateway?

Scheduling dataset refreshes with the Power BI Gateway can be configured in the Power BI Service settings.

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Q.133 Explain the concept of Power BI's Smart guides, and how do they assist in report design?

Smart guides provide design recommendations and suggestions to improve report layout and visual formatting.

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Q.134 What is the Power BI REST API endpoint for embedding reports in custom applications, and how is it used?

The Power BI REST API endpoint for embedding reports allows developers to embed Power BI reports in custom applications using authentication tokens.

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Q.135 How can you create a custom connector in Power BI using the Power Query M formula language?

Custom connectors can be created by defining connection logic, transformations, and data source details in Power Query M.

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Q.136 What is Power BI's Query Diagnostics feature, and how can it be used for optimizing query performance?

Query Diagnostics provides insights into query execution times, helping identify performance bottlenecks in Power Query.

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Q.137 Explain the concept of composite aggregations in Power BI, and how do they improve performance?

Composite aggregations allow for pre-aggregated data to be stored and used for improving query performance on large datasets.

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Q.138 What is the Power BI Deployment Pipelines feature, and how can it be used for managing report development and deployment?

Deployment Pipelines provide a structured process for developing, testing, and deploying Power BI content across different environments.

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Q.139 How can you use Power BI's AI Insights to perform sentiment analysis on text data in reports?

AI Insights can analyze text data to determine sentiment, helping in understanding customer feedback and opinions.

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Q.140 What is Power BI's automatic page refresh feature, and how can it be enabled for real-time data updates?

Automatic page refresh allows for real-time data updates in reports and can be configured in Power BI Service settings.

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Q.141 How can you use Power BI's Power Automate integration for workflow automation with Power BI content?

Power Automate can automate tasks like report distribution, notifications, and data processing by integrating with Power BI.

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Q.142 Explain the purpose of Power BI's Data Analysis Expressions (DAX) Studio tool, and how can it assist in DAX development?

DAX Studio is a tool for developing, testing, and optimizing DAX calculations and queries in Power BI.

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Q.143 What is Power BI's Power Automate Desktop, and how can it be used to automate tasks related to Power BI?

Power Automate Desktop allows for the automation of repetitive tasks related to Power BI, such as data extraction or report generation.

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Q.144 How can you enable and use the Power BI Service Live Connection to Azure Analysis Services?

You can connect to Azure Analysis Services models in Power BI Service by providing connection details and credentials.

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Q.145 Explain the concept of the Power BI Performance Analyzer, and how can it help identify performance issues in reports?

The Performance Analyzer tool in Power BI Desktop provides insights into the performance of visuals and queries, helping pinpoint performance bottlenecks.

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Q.146 What is Power BI's XMLA endpoint, and how can it be used for advanced data modeling and querying?

The XMLA endpoint allows external tools and clients to connect to Power BI datasets for advanced modeling and querying.

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Q.147 How can you use Power BI's Smart narratives to automatically generate explanations for data patterns and insights in reports?

Smart narratives use natural language generation to create textual explanations for data trends, making it easier to communicate insights.

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Q.148 What is Power BI's automatic page refresh feature, and how does it benefit users for monitoring real-time data?

Automatic page refresh keeps reports up-to-date with real-time data, providing a current view of key metrics and insights.

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Q.149 Explain the purpose of Power BI's Aggregations feature, and how does it improve query performance for large datasets?

Aggregations allow for the storage of pre-aggregated data at different levels of granularity, enhancing query performance on large datasets.

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Q.150 How can you use Power BI's Python integration to enhance data analysis and visualization in reports?

Python scripts can be embedded in Power BI reports to perform advanced data analysis and create custom visuals.

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