Power BI Interview Questions | Eklavya Online

Power BI Interview Questions

Differentiate between the Power BI and Power BI Pro?

Power BI offers distinct kinds of features to help get started in searching for data in a completely new way. And Power BI Pro comes with some additional features like scheduling data, storage capacity, live data sources, along with complete interactivity and much more.

What are the content packs in Power BI?

Content packs for services are pre-built solutions for popular services as part of the Power BI experience. The subscriber to a supported service can connect to their account quickly from Power BI. You can see their data through live dashboards and interactive reports which have pre-built for them. Microsoft released content packs for popular services …

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What is Power Pivot?

Power Pivot is an add-in for Microsoft Excel 2010 which enables to import millions of rows of data from multiple data sources into a single Excel workbook. It allows to create relationships between heterogeneous data, creates calculated columns and measures using formulas, builds PivotTables, and PivotCharts. Then you can analyze the data so that you …

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What is power Pivot data table?

Power Pivot data table is a model which is made up of tables, data types, columns, and table relations. These data tables are constructed for holding the data for a business entity.

What is Power Query?

Power query is an ETL tool which is used to shape, clean, and transform data using intuitive interfaces without having to use coding. It helps the user to: Import the data from a wide range of sources from files, big data, databases, and social media data, etc. Join and append the data from multiple data …

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What is query folding in Power Query?

Query folding is when steps defined in Power Query or Query Editor are translated into SQL and executed by the source database rather than the client machine. It is important to processing performance and scalability, given limited resources on the client machine.

What is Power Map?

Power Map is an Excel add-in which provides a powerful set of tools to help you in visualize and gain insight into large sets of data that have a geo-coded component. It can produce 3D visualizations by plotting up to a million data points in the form of column, heat, and bubble maps on top …

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How is data security implemented in Power BI?

Power BI applies the row-level security role to models: A DAX expression is used on a table, filtering its rows at the query time. Dynamic security involves the use of USERNAME functions in security role definitions. A table is created in the model which relates users to specific dimensions and a role.