Table constructor { } DAX Operator

A table constructor returns a table of one or more columns.
When there is only one column, the name of the column is Value.
When there are N columns where N > 1, the names of the columns from left to right are Value1, Value2, …, ValueN.

{ <scalarExpr1>, <scalarExpr2>, … } 
{ ( <scalarExpr1>, <scalarExpr2>, … ), ( <scalarExpr1>, <scalarExpr2>, … ), … }

The first syntax returns a table of a single column.
The second syntax returns a table of one or more columns, where each row is enclosed between brackets.
The number of scalar expressions must be the same for all rows.
When the data types of the values for a column are different in different rows, all values are converted to a common data type.

Last update: Sep 16, 2021   » Contribute   » Show contributors

Contributors: Alberto Ferrari, Marco Russo, Kenneth Barber

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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.


A volatile function may return a different result every time you call it, even if you provide the same arguments. Click to read more.


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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