How to Create a Dataflow Gen2 in Microsoft Fabric

Dataflow Gen2 in Microsoft Fabric: Microsoft Fabric emerges as a formidable solution, offering a suite of tools designed to streamline data engineering tasks. At the heart of Fabric lies Dataflows (Gen2), a powerful feature that enables seamless connectivity to various data sources and empowers users to perform transformations effortlessly using Power Query Online. This comprehensive guide aims to delve deep into the world of Dataflows in Microsoft Fabric, providing step-by-step instructions, best practices, and real-world examples to help you harness the full potential of this transformative tool.

Understanding Dataflows in Microsoft Fabric:

Before diving into the intricacies of Dataflows, it’s essential to understand their role within the broader context of Microsoft Fabric. Dataflows serve as the backbone of data processing workflows, allowing users to ingest, transform, and integrate data from disparate sources into a unified format. By leveraging the intuitive interface of Power Query Online, users can apply a wide range of transformations to their data, ranging from simple cleansing operations to complex aggregations and calculations.

Setting Up Your Workspace:

The journey to mastering Dataflows begins with setting up your workspace in Microsoft Fabric. Creating a workspace is a straightforward process that involves selecting the Synapse Data Engineering option from the Fabric home page and configuring the necessary settings. Whether you’re a seasoned data engineer or a novice exploring the world of data processing, Fabric provides a user-friendly environment tailored to your needs.


Creating a Data Lakehouse:

With your workspace configured, the next step is to create a data lakehouse—a centralized repository for storing and managing your data assets. The concept of a data lakehouse combines the scalability and flexibility of a data lake with the performance and reliability of a data warehouse, offering the best of both worlds. Within the Synapse Data Engineering environment, creating a data lakehouse is as simple as selecting the appropriate option and specifying a name for your lakehouse.


Ingesting Data with Dataflows (Gen2):

Once your lakehouse is established, it’s time to start ingesting data into it using Dataflows (Gen2). Dataflows provide a flexible and scalable solution for extracting, transforming, and loading (ETL) data from various sources into your lakehouse. Using the Power Query editor, users can define dataflows that encapsulate the entire ETL process, from data source connectivity to final data destination configuration.


Transforming Data with Power Query Online:

The real power of Dataflows lies in their ability to transform data using Power Query Online. Power Query Online offers a rich set of transformation capabilities, allowing users to clean, shape, and enrich their data with ease. Whether you’re performing simple operations like filtering and sorting or complex transformations like pivoting and unpivoting, Power Query Online provides the tools you need to unleash the full potential of your data.

Optimizing Dataflows for Performance:

As you embark on your data transformation journey, it’s important to consider performance optimization strategies to ensure that your Dataflows run smoothly and efficiently. Techniques such as data partitioning, column pruning, and query folding can help minimize resource consumption and maximize throughput, enabling you to process large volumes of data quickly and cost-effectively.

Integrating Dataflows into Pipelines:

Once your Dataflows are up and running, you can integrate them into pipelines to orchestrate data ingestion and processing activities. Pipelines serve as the backbone of data engineering workflows, enabling you to combine Dataflows with other operations such as data movement, data copying, and data orchestration in a single, cohesive process. With the ability to schedule and automate pipeline executions, you can ensure that your data flows seamlessly from source to destination, allowing you to focus on deriving insights and making informed decisions.

Analyzing Transformed Data with Power BI:

After your data has been ingested, transformed, and loaded into your lakehouse, the next step is to analyze it using Power BI. Power BI offers a suite of powerful analytics tools that enable you to visualize and explore your data in meaningful ways. By connecting Power BI to your lakehouse using the Power BI Desktop Dataflows connector, you can create interactive reports and dashboards that provide valuable insights into your data.

Cleaning Up Resources and Conclusion:

As you near the end of your Dataflows journey, it’s important to clean up resources to ensure a tidy and efficient environment. Whether you’re deleting workspaces, removing dataflows, or tidying up your Power BI reports, proper resource management is essential for maintaining a streamlined data engineering workflow. In conclusion, mastering Dataflows in Microsoft Fabric opens up a world of possibilities for efficient data management and processing. By following the steps outlined in this guide and leveraging the capabilities of Dataflows, you can streamline your data workflows, derive insights, and drive informed decision-making across your organization.

External Links:

  1. Microsoft Fabric Documentation
  2. Power BI Desktop Documentation


  1. Do I need a Microsoft Fabric trial to complete this exercise?
    • Yes, a Microsoft Fabric trial is required to complete this exercise. Ensure that your workspace is configured with the Fabric trial enabled.
  2. Can I connect directly to the data transformations done with my Dataflow using Power BI?
    • Yes, you can use the Power BI Desktop Dataflows connector to connect directly to the data transformations performed with your Dataflow.
  3. How do I distribute specialized datasets created with Power BI to my intended audience?
    • You can publish the datasets as new datasets in Power BI and distribute them to your intended audience using Power BI sharing and collaboration features.


Mastering Dataflows in Microsoft Fabric is a journey that offers immense opportunities for organizations seeking to harness the power of their data. By following the comprehensive guide outlined in this article, you’ll gain the knowledge and skills needed to unlock the full potential of Dataflows and drive data-driven decision-making across your organization.