Power BI

What is Power BI

Power BI is a business intelligence and data visualization tool from Microsoft. It allows users to connect to a wide range of data sources, and create interactive reports and dashboards.

Features of Power BI

• Data Integration and Transformation: Power BI can connect to a wide variety of data sources. These include SQL databases, Excel spreadsheets, and cloud services. It allows users to transform and clean the data to create a coherent data model.
• Data Modeling: Users can create relationships between different data sources, and define hierarchies. It includes a variety of data analysis tools, such as DAX (Data Analysis Expressions) and machine learning algorithms.
• Data Visualization: It provides a range of data visualization options, including charts, graphs, and maps. Users can create interactive dashboards and reports to represent data insights visually.
• Publishing and Sharing: Reports and dashboards created in Power BI can be published to the Power BI service. Users can also embed reports in websites and apps.
• Natural Language Query: Its Q&A feature allows users to ask natural language questions about their data. The tool is able to generate the appropriate visuals in response.
• Mobile Accessibility: Power BI can be viewed through mobile apps for iOS and Android. This allows users to access their data and reports anywhere. 
• Security and Governance: It provides features for data security and governance, including role-based access control, data encryption, and auditing.

Components

Power BI consists of several components that work together to enable users to connect to, visualize, and analyze data. These components include:

• Power Query: Power Query is a data transformation tool. It allows users to clean, shape, and merge data from a variety of sources.
• Power Pivot: Power Pivot is a data modeling tool that allows users to create in-memory data models for analysis.
• Power View: Power View is a data visualization tool that allows users to create interactive reports and dashboards.
• Power Map: Power Map is a data visualization tool that allows users to create geographic visualizations of their data.
• Power Q&A: Power Q&A is a natural language query tool. Using it one can ask questions about the data in plain English.
• Power BI Desktop: Desktop is an application that allows users to create and edit BI reports.
• Power BI Service: Power BI Service is a cloud-based service. It allows users to publish and share BI reports and dashboards.
• Power BI Mobile Apps: BI Mobile Apps allow users to view reports on their mobile devices.

These components can be used together to create a complete BI solution. 

For example: 

• Power Query can be used to clean and transform data from a variety of sources
• Power Pivot can be used to create a data model
• Power View can be used to create interactive reports and dashboards
• Finally, Power BI Service can be used to publish and share the reports and dashboards with others.