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Creating Calculated Columns Using DAX

In this article, Andy Brown shares his knowledge of how to create calculated columns in tables, using Power BI as the host software (all of the formulae shown would work equally well in PowerPivot or SSAS Tabular). This article is designed to be the first in a series of articles which will show you how to master programming in DAX.

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Question of the Day

Tables with a SPARSE Column and Consumption

True or False:  Tables with a SPARSE column consume more space than regular columns if most values are NOT NULL.

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