10 Sep Power BI – What is DAX

DAX is a formula expression language in Power BI.  DAX stands for Data Analysis Expressions and is a collection of functions, operators, and constants used to create calculations and data models in Power BI.

DAX Features

1. Calculations: Perform arithmetic, statistical, and logical operations.
2. Data Modeling: Define relationships, and create calculated columns, and measures.
3. Data Analysis: Analyze and summarize data using aggregation functions.

DAX Data Types

DAX has the following data types:

• Numeric: integers, currency, and decimals
• Other: string and binary object.

To your semantic model, easily add the following calculations with DAX:

• DAX Calculated tables
• DAX Calculated columns
• DAX Measures

Let us understand them one by one.

Video Tutorial

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• DAX Calculated Tables
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