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Appending

Appending datasets in Power BI allows you to combine rows from two or more tables into a single table. This is useful when you have similar data stored in multiple tables and want to consolidate them into one. Appending can be thought of as a union operation in SQL.

Example 

Let's assume you have sales data for two different years stored in separate tables:

Step 1: Load Data into Power BI

             Open PowerBI Desktop

             Get Data: 

             Click on "Home" > "Get Data" > "Text/CSV".

             Import the Sales 2023 CSV file.

             Name the table "Sales2023".

             Repeat the process to import the Sales 2024 CSV file.

             Name the table "Sales2024".




Step 2: Append Queries

             Go to the Query Editor

             Click on "Home" > "Transform data" to open Power Query Editor.


             Append Queries

             In the Query Editor, click on "Home" > "Append Queries" > "Append Queries as New".

             In the Append window, select "Sales2023" and "Sales2024".

             Click "OK".


         

            Verify the Appended table

            A new table named "Append1" will be created. 

            Verify that it contains rows from both "Sales2023" and "Sales2024".


           Rename the Appended table

           Right-click on "Append1" in the Queries pane and select "Rename".

           Rename it to "AllSales".



          Apply Changes:

          Click "Home" > "Close & Apply" to load the appended data back into Power BI.



Step 3: Create a Visual Using the Appended Data

             Create a Table Visual

             In the "Report" view, select the table visual from the "Visualizations" pane.

             Drag Date, Product, SalesAmount, and Region to the table fields.


             Analyze the Data



Appending datasets in Power BI is a straightforward process that allows you to combine similar data from multiple sources into a single table for easier analysis. By following the steps above, you can append tables and create consolidated reports that provide comprehensive insights. 

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