Gayatri Hospital And Trauma Centre Power Plant Engineer Interview Questions and Answers

Power bi desktop in power bi service

Q1. What is power bi
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Power BI is a business analytics tool by Microsoft that provides interactive visualizations and business intelligence capabilities.
• Power BI allows users to connect to various data sources and create interactive reports and dashboards.

• Users can easily share and collaborate on reports with others within the organization.

• It offers features like data modeling, data visualization, and data transformation.

• Power BI can be use...read more
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Q2. How creative a dashboard in power query
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A creative dashboard in Power Query involves using unique visuals and interactive elements to present data in an engaging way.
• Utilize custom visuals to display data in a visually appealing manner

• Incorporate interactive elements such as slicers and filters for user-friendly navigation

• Use color coding and formatting to highlight important insights

• Include dynamic elements like tooltips and drill-down capabilities

• Experimen...read more
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Q1. Power bi desktop
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Q2. Write the Dax query in data modeling
Ans. 
Write a DAX query in data modeling
• Use CALCULATE function to apply filters and context to calculations

• Use SUMX function to iterate over a table and perform calculations

• Use RELATED function to retrieve related values from other tables
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Q1. What is power pivot
Ans. 
Power Pivot is a data modeling tool in Excel that allows users to create relationships, calculations, and measures for analyzing large datasets.
• Power Pivot is an add-in for Excel that enables users to create data models and perform advanced data analysis.

• It allows users to import and combine data from multiple sources, create relationships between tables, and define calculations and measures.

• Users can create complex ca...read more
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Q2. Creation in dax
Ans. 
Creation in DAX refers to the process of generating new calculated columns or measures in Power BI using Data Analysis Expressions.
• Use DAX functions like CALCULATE, SUMX, AVERAGE, etc. to create new columns or measures

• Understand the data model and relationships to create accurate calculations

• Test the newly created calculations to ensure they are working correctly
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