Returns a table with new columns specified by the DAX expressions.
The table to which new columns are added.
The name of the new column to be added.
The expression for the new column to be added.
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.
Learn more about ADDCOLUMNS in the following articles:
Best Practices Using SUMMARIZE and ADDCOLUMNS
Everyone using DAX is probably used to SQL query language. Because of the similarities between the Tabular data modeling and the relational data modeling, there is the expectation that you can perform the same operations as those allowed in SQL. However, in its current implementation DAX does not permit all the operations that you can […] » Read more
Using GENERATE and ROW instead of ADDCOLUMNS in DAX
This article explains how to improve DAX queries using GENERATE and ROW instead of ADDCOLUMNS when you create table expressions. » Read more
Contributors: Alberto Ferrari, Marco Russo
MSDN documentation: https://docs.microsoft.com/en-us/dax/addcolumns-function-dax