ADDCOLUMNS DAX Function (Table manipulation)

Returns a table with new columns specified by the DAX expressions.


ADDCOLUMNS ( <Table>, <Name>, <Expression> [, <Name>, <Expression> [, … ] ] )
Parameter Attributes Description

The table to which new columns are added.

Name Repeatable

The name of the new column to be added.

Row Context

The expression for the new column to be added.

Return values

Table An entire table or a table with one or more columns.

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


ADDCOLUMNS does not preserve the data lineage of the added columns, even though a column expression is a simple column reference.

Related articles

Learn more about ADDCOLUMNS in the following articles:

Last update: Jan 11, 2021   » Contribute   » Show contributors

Contributors: Alberto Ferrari, Marco Russo

MSDN documentation:

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Context Transition

This function performs a Context Transition if called in a Row Context. Click to read more.

Row Context

This expression is executed in a Row Context. Click to read more.


Not recommended

The use of this function is not recommended. See Remarks and Related functions for alternatives.

Not recommended

The use of this parameter is not recommended.


This function is deprecated. Jump to the Alternatives section to see the function to use.


This parameter is deprecated and its use is not recommended.

DirectQuery compatibility

Limitations are placed on DAX expressions allowed in measures and calculated columns.
The state below shows the DirectQuery compatibility of the DAX function.


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