Power BI: Data Models and Live Connections

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Questions and Answers

What is the primary benefit of using Power BI service live connection for report creation?

  • It allows users to bypass Power BI Desktop and create reports directly in the service.
  • It automatically generates reports based on predefined templates, saving time for report creators.
  • It ensures that all team members are using the same, vetted semantic model, reducing inconsistencies. (correct)
  • It provides access to a wider range of data sources compared to Power BI Desktop.

A business analyst publishes a report with its underlying semantic model to the Power BI service. What is the next crucial step to enable team members to build their own reports based on this semantic model?

  • Creating a new workspace specifically for shared reports.
  • Sending email invitations to each team member through the Power BI service.
  • Sharing the original .pbix file with all team members.
  • Granting 'Build' permission on the semantic model in the Power BI service. (correct)

What action promotes confidence in the quality and reliability of a Power BI report and its semantic model in the Power BI service?

  • Promoting or certifying the report. (correct)
  • Scheduling daily refreshes of the underlying data.
  • Limiting access to the report to a select group of users.
  • Duplicating the report across multiple workspaces.

In Power BI Desktop, how do you initiate the process of connecting to a shared semantic model in the Power BI service to create a new report?

<p>Home tab &gt; Get data &gt; Power BI semantic models (D)</p> Signup and view all the answers

After a report and its semantic model are published to the Power BI service, how can you control who can use the semantic model to build their own reports?

<p>By setting permissions on the workspace where the report is published. (B)</p> Signup and view all the answers

What is a potential challenge when multiple team members create their own versions of semantic models and reports without using a live connection?

<p>Difficulty in determining the most recent or accurate report and semantic model. (D)</p> Signup and view all the answers

What does the OneLake catalog display when trying to connect to a Power BI semantic model?

<p>All shared semantic models you have 'Build' permission for in any workspace you're a member of. (D)</p> Signup and view all the answers

A Power BI report developer wants to allow other users to build upon an existing semantic model, but prevent them from modifying the original report. Which permission should the developer grant?

<p>Build (A)</p> Signup and view all the answers

What happens after a user establishes a live connection to a Power BI semantic model?

<p>They can see the semantic model's fields and values in real time to create reports. (C)</p> Signup and view all the answers

Why is promoting a semantic model important after publishing it to the Power BI Service?

<p>It indicates to other users that the semantic model is trustworthy and of high quality. (D)</p> Signup and view all the answers

Flashcards

Power BI Service Live Connection

A feature in Power BI that allows multiple reports to be created from a single, shared semantic model in the Power BI service.

Shared Semantic Model

A well-structured data model in Power BI, created by a skilled analyst, that serves as the foundation for multiple reports.

Publish

To make a report and its underlying semantic model available for others to use and build upon.

Endorsement

An acknowledgement of the quality and reliability of a report or semantic model within Power BI, increasing user trust.

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Build Permission

Determines who can view and utilize a semantic model for creating reports and dashboards.

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OneLake Catalog

Centralized location, that displays workspaces and shared semantic models you have permission to access.

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Live Connection

Create multiple reports from a single semantic model, and save them to different workspaces.

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Power BI challenges

One challenge with the popularity of Power BI is the resulting proliferation of reports, dashboards, and underlying data models.

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Study Notes

  • Power BI Desktop allows the creation of data models that can be published to the Power BI service for shared use.
  • The live connection feature enables multiple reports to be created from a single, shared semantic model within the Power BI service.
  • The proliferation of reports, dashboards, and data models in Power BI can be a challenge, especially in identifying the correct semantic model.
  • The Power BI service live connection addresses the challenge by promoting the use of common semantic models to streamline report creation, sharing, and expansion.
  • A skilled business analyst can create a high-quality semantic model and report, then share it for others to use.
  • Utilizing the Power BI service live connection, team members can create reports based on the analyst's published semantic model within their own workspaces.
  • The business analyst creates a report and its semantic model using Power BI Desktop, and subsequently publishes the report to the Power BI service.
  • The report becomes visible in the team's workspace after publishing to the Power BI service.
  • The Build permission setting allows the business analyst to make the report accessible to anyone, both inside and outside the workspace.
  • Team members can establish a live connection to the shared data model through the Power BI service live connection, enabling them to create their unique reports.
  • One Power BI Desktop report and its data model can be published to the Power BI service, where other users can connect and create their reports based on the shared semantic model.
  • The Power BI service live connection is useful for report lifecycle management.

Publishing Reports and Semantic Models

  • To use a Power BI service live connection, the first step is to publish a report and semantic model from Power BI Desktop by selecting "Publish" from the Home tab.
  • Users are prompted to sign in to their Power BI service account, if they aren't already.
  • During publishing, you must select the destination workspace.
  • Build permission grants access to the semantic model to anyone with that permission.
  • Power BI Desktop displays the progress of the publishing process.
  • Upon completion, Power BI Desktop provides links to the report in the Power BI service, along with quick insights about the report.

Promoting and Certifying Reports

  • Reports can be promoted or attested to for quality and reliability once they are in the Power BI service.
  • Certification by a central authority can also be requested.

Setting Build Permission

  • Setting Build permission in the Power BI service is the last step.
  • Build permission determines who has access to the semantic model.
  • Build permission can be configured within the workspace or when sharing an app from the workspace.

Connecting to Published Reports

  • Team members with access to the workspace can connect to the semantic model and create their reports.
  • To connect, in Power BI Desktop, go to the Home tab and select "Get data > Power BI semantic models".
  • Alternatively, select "Get data", choose "Power BI semantic models" under "All", and then select "Connect".
  • Power BI will prompt users to sign in if they aren't already.
  • The OneLake Catalog displays workspaces the user is a member of, along with shared semantic models that have Build permission enabled.
  • Users can select a semantic model and then select "Connect" to establish a live connection.
  • Semantic model fields and their values are loaded in real time in Power BI Desktop.
  • Custom reports can be shared and created from the same model.

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