What is DAX in Power BI

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Feb 2, 2022 in Power BI by surbhi
 • 3,820 points • 784 views

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DAX is a programming language used in Power BI. It comprises of functions, operators and constants used in a formula, or expression, to calculate and return one or more values. DAX is used to creating calculated columns, measures, and custom tables. It can be used to solve a number of calculations and data analysis problems on the data in Power BI. Apart from Power BI, DAX can also be used to perform operations on data in PowerPivot and SSAS tabular models. DAX is simple and easy to learn. What tools or techniques do you use to validate and clean Power Query code to prevent data refresh failures?

The different types of functions used in DAX are-
Aggregate
Text
Date
Logical
Counting
Information

Also Refer: How do I implement row-level security (RLS) in Power BI using DAX?

How do I implement custom aggregations in Power BI using DAX?

How do you resolve circular dependency errors in DAX expressions when creating calculated columns or measures?

answered Feb 4, 2022 by CoolCoder
 • 4,420 points

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