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Nneoma Onyinyechi
Nneoma Onyinyechi

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“End-to-End Data Ingestion Architecture in Power BI Desktop: Connecting and Profiling Data from Multiple Sources”

#powerplatform #analytics #data

Introduction
In today’s data-driven world, effective analytics begins long before dashboards and visualizations are created. The foundation lies in how data is sourced, ingested, and prepared for analysis. Modern organizations rely on diverse data sources—ranging from spreadsheets and flat files to databases, cloud platforms, and web APIs—each with its own structure and challenges.

Power BI Desktop provides a powerful and flexible environment for connecting to these varied data sources and transforming raw data into meaningful insights. With its built-in connectors and the robust capabilities of Power Query, users can seamlessly import, clean, and shape data for analysis.

This article includes guidelines involved in connecting Power BI to multiple data sources, including Excel, CSV, JSON, PDF, SQL Server, MySQL, SharePoint, and web-based data. It also highlights how to begin preparing and transforming data to ensure quality, consistency, and scalability in your analytics workflow.

  1. Excel Files Steps:
  2. Go to Home Image 1
  3. Select Get Data Image 2
  4. Select Excel Image 3
  5. Select workbook Image 3b
  1. Text/CSV Files Import flat files with structured rows Automatically detects delimiters Example: Image 4 Select home, select data, select text/csc Image 5 Image 6
  1. PDF Files Extract tables from structured PDF documents

Steps
Go to home and click on more

Image 5
select pdf
Click on open
Image 6

select file and click load
Image 7

  1. JSON Files a. Click Get data from another source. Image 8 b. Select JASON and click on connect Image 9 c. Preview will open in power query Image 10 Power query does the job of dictating JASON structure and nests data in tabular form. d. Click on close and apply Image 11 Common for: APIs Web applications
  1. SharePoint

Connect via:
SharePoint Folder
SharePoint Online List
Enables:
Collaboration
Centralized file storage

  1. SQL Server Steps to get data from SQL Server Connect to SQL Server Click Home. Select Get Data Choose SQL Server Image 13

Enter Connection Details
Server name (e.g., localhost or 192.168.1.10)
Database name
Image 14

Choose Data Mode
Import → loads data into Power BI
DirectQuery → queries SQL Server live
Select
SQL Server Authentication (username/password)
Image 15

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Method 3: Using Power Query Editor

Inside Power BI:
Go to Transform Data
You can:
Filter rows
Remove columns
Merge tables
Create calculated columns
Image 18

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Using the SQL Server connector

Enter server name (e.g., localhost)
Select tables like:
DimEmployee
FactResellerSales

  1. MySQL Steps to getting data.
  2. Open Power BI Desktop
  3. Click Home -Get Data
  4. Select MySQL Database
  5. Provide Credentials
  6. Choose authentication type
  7. Click on Load or Transform Data
  8. Select tables you want
  9. Transform Data Note that Load brings data directly into Power BI Image 20 Image 23 Image 25 Image 26 ##
  10. Web Data Steps
  11. Go to home and click on more
  12. select Web Data
  13. Click on Connect
  14. Enter your URL in the box and click on okay Image 29 Image 30
  1. Azure Analysis Services Steps: Open Power BI Desktop Click Home → Get Data Select Azure → Azure Analysis Services database Server name Optional: Database name Choose connection mode: Live connection (recommended for AAS) Click OK Sign in with your Azure account Select the model (tables/measures) Click Connect

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Here’s a clear and concise summary of your blog:

*Summary
*
In conclusion, effective data analytics starts with properly sourcing, connecting, and preparing data before building reports in Power BI. Since organizations use diverse data sources—such as spreadsheets, databases, cloud services, and APIs—Power BI Desktop offers a wide range of connectors to integrate them seamlessly.

This blogs helps you know how to connect Power BI to multiple data sources, including Excel, CSV/text files, PDFs, JSON files, SharePoint, SQL Server, MySQL, web data, and Azure Analysis Services. Each source has specific connection steps, but generally follows a common process: selecting Get Data, choosing the source, providing required details (like file paths or server credentials), and loading or transforming the data.

The blog also highlights the importance of Power Query, which allows users to clean and transform data by filtering, merging, and reshaping it into a usable format. Additionally, it introduces different data connection modes such as Import, DirectQuery, and live connections, depending on the use case.

Finally, this blog emphasizes that mastering data connections and transformations in Power BI is essential for ensuring data quality, consistency, and scalability in analytics workflows.

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