Adds calculated columns to the given table or table expression.


ADDCOLUMNS(<table>, <name>, <expression>[, <name>, <expression>]…)  


Term Definition
table Any DAX expression that returns a table of data.
name The name given to the column, enclosed in double quotes.
expression Any DAX expression that returns a scalar expression, evaluated for each row of table.

Return value

A table with all its original columns and the added ones.



The following example returns an extended version of the Product Category table that includes total sales values from the reseller channel and the internet sales.

               , "Internet Sales", SUMX(RELATEDTABLE(InternetSales_USD), InternetSales_USD[SalesAmount_USD])  
               , "Reseller Sales", SUMX(RELATEDTABLE(ResellerSales_USD), ResellerSales_USD[SalesAmount_USD]))  

The following table shows a preview of the data as it would be received by any function expecting to receive a table:

ProductCategory[ProductCategoryName] ProductCategory[ProductCategoryAlternateKey] ProductCategory[ProductCategoryKey] [Internet Sales] [Reseller Sales]
Bikes 1 1 25107749.77 63084675.04
Components 2 2 11205837.96
Clothing 3 3 306157.5829 1669943.267
Accessories 4 4 640920.1338 534301.9888