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The Power BI Blog for Professional Learning of the Microsoft Power BI, SQL Server, T-SQL, ETL and R Programming

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Saturday, March 7, 2026

How to Apply Permutations and Combinations Logic in SQL to Analyze Transaction Data

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How to Use SQL Window Functions to Analyze Transactional Data with Permutations and Combinations Scenario: Suppose you are working with a fi...

How to use Power Query to Handle Multi‑Row Headers Dynamically from Excel to Power BI

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How to use Power Query to Handle Composite Headers Dynamically from Excel to Power BI Scenario: Suppose we have a sample of FTE data in an E...
Tuesday, February 17, 2026

How to return the Last Refresh Date of SQL Tables in Power BI

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How use Power Query to return the Last Refresh Date of SQL Tables in Power BI Scenario: We have a set of tables/views sourced from Azure SQL...
Thursday, February 12, 2026

How to Identify the duplicate rows in a table using Power Query

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How to Identify the duplicate Values in a Column using Power Query Scenario: Suppose, we have a dataset( ds_Sample ) as below with duplicate...
Saturday, November 22, 2025

How to Use Dynamic Query Parameters to Switch Source Query Connections in Power BI

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How to Switch Source Query Connection Strings in Power BI with Dynamic Query Parameters Scenario: To manage multiple data or query environm...
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Tamatam Reddy, MBA
Bengaluru, India
The Soul of Integrity
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