DAX

Concept

Formula and query language for calculations in Power BI, Excel Power Pivot and Analysis Services semantic models.

Title graphic: DAX (Concept)

Description

DAX defines measures, calculated columns and tables in a semantic model, for example year-to-date sales or a ratio that reacts to the filters in a report. Its filter context and row context are the key concepts to understand.

Skills in DAX are tested in the Power BI Data Analyst certification PL-300.

Type	Concept
Also known as	Data Analysis Expressions
Documentation	learn.microsoft.com/dax

Sessions on this topic (2)

Supercharge Your Dashboards with Power BI · Shubhangi Goyal · M365Con 2027
Supercharge Your Dashboards with Power BI · Shubhangi Goyal · M365Con 2027

Glossary

Relationship map of DAX: linked topics

Related to

Power BI · Product
Microsoft Excel · Product
Microsoft Fabric · Platform
Power Query · Product
Power BI Desktop · Product
Semantic model · Concept
Star schema · Concept

Covered by

Microsoft Certified: Power BI Data Analyst Associate (PL-300) · Certification
Microsoft Certified: Fabric Analytics Engineer Associate (DP-600) · Certification

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