Forum Discussion

Abhaykumar's avatar
Abhaykumar
Microsoft Employee
10 years ago
Solved

Getting distinct values for multiple columns

Is there a way to get distinct values for multiple columns? Specifically, I want to replicate the following SQL query into PowerBI to create a new table:   SELECT DISTINCT Col1, Col2, Col3 FROM Tab...
  • ankitpatira's avatar
    ankitpatira
    10 years ago

    Abhaykumar You can also select individual columns in query editor and click Remove Duplicates.

     

  • achinm45's avatar
    achinm45
    10 years ago

    Hi Abhaykumar,

     

    Use DAX and in DAX the function SUMMARIZE().

    Summarize will pull out distinct values from columns.

     

    So your resultset will be new table from Summarize

    Table_Output =  Summarize(Table_IN,Col1,Col2,Col3)

     

    I hope it helps !

     

    BR,

    Achin

ImkeF's avatar
ImkeF
Community Champion
8 years ago

This formula will create a list of distinct values in the query editor (where "Source" is the name of the table/previous step and column names in square brackets):

 

List.Distinct(List.Union({Source[Col1], Source[Col2], Source[Col3]}))

Not sure if you want this as a standalone query or merge the resulting list with some other table?

Anonymous's avatar
Anonymous
Not applicable
7 years ago

Hi, 

I'm trying this solution to combine two columns of sales order numbers from two separate queries and get an error:

"Expression.SyntaxError: Invalid identifier"

 

here is my code:

= list.distinct(list.union({"ZSD026 - Sales Analysis Report"[#"Sales Order No"],"ZSD029 - Invoice Report Material Level"[#"Sales Order No"}))

  • ImkeF's avatar
    ImkeF
    Community Champion
    7 years ago

    Hi Anonymous ,

    the M-language is case sensitive.