Dax selectcolumns.
Mar 29, 2021 · I have three different tables.
Dax selectcolumns So, it would be something like this FILTER ('Services Entitlements' [Header Life Cycle Status] = "Released") -- but where do I insert this in my DAX statement? Or do I have to accomplish this another way? Help is greatly appreciated. Apr 24, 2018 · I want to get a list of unique records in a new Table which is created using SELECTCOLUMNS. In short, the following measures are now valid DAX expressions: Sep 26, 2021 · The SELECTCOLUMNS function in DAX allows us to select the columns to display, customizing the expression shown in each one. This article describes how to use GROUPBY in nested grouping scenarios and other improvements. SUMMARIZECOLUMNS( Sales[StoreId], Sales[StoreId] ) This function is not supported for use in DirectQuery mode when used in calculated columns or row-level security (RLS) rules. Or multiple columns with distinct (unique) combination of values, for a table expression argument. The functions of the function addcolumns and selectColumns are similar. See examples, syntax, parameters, and tips for using this function with FILTER and ADDCOLUMNS. A column called Line Amount also displays the result of the multiplication of these two numbers. 2020-03-15 UPDA Apr 27, 2022 · Hi. Nov 26, 2025 · Returns a one column table that contains the distinct (unique) values in a column, for a column argument. While Addcolumns is used for adding new columns based on calculations, Selectcolumns is used for selecting specific columns from a dataset. Solved! Go to Solution. Jul 12, 2023 · This function creates a table with selected columns from a given table or with columns based on DAX expressions for our data model Jan 10, 2025 · Explore SELECTCOLUMNS as a powerful function for visualizing data and navigating complex solutions in Power BI, aiding in skill growth for future success. Feb 4, 2024 · Exploring DAX: Table Manipulation Functions Dive into the world of DAX and discover its critical role in transforming raw data into insightful information. https://dax. Nov 26, 2025 · Returns a table with selected columns from the table and new columns specified by the DAX expressions. Apr 25, 2024 · Note This function cannot be used to Return values into a cell or column on a worksheet; rather, you nest the DISTINCT function within a formula, to get a list of distinct values that can be passed to another function and then counted, summed, or used for other operations. May 20, 2021 · Previously I explained the AddColumns function as a function that adds one or more columns to the existing table, In this article and video, I’ll explain another similar and useful function with slightly different behavior: SelectColumns, and you will learn how you can use it in Power BI and DAX. I have tried creating a new table in Dax using UNION (DISTINCT - but I only know how to pull in one column into this table. (It needn't be MAX, not sure MAX is right. » Read more Understanding DAX Auto-Exist This article describes the behavior of auto-exist in DAX, explaining the side effects of combining slicers Oct 7, 2021 · However, I now want to add an additional filter so the resulting table contains only those contracts that currently have a header status of Released. Jun 1, 2015 · A few years ago I wrote this post on how to alias columns in a table in DAX, using a combination of AddColumns() and Summarize(). SELECTCOLUMNS has the same signature as ADDCOLUMNS, and has the same behavior except that instead of starting with the Table specified, SELECTCOLUMNS starts with an empty table before adding Apr 5, 2023 · Hi guys, This problem has been puzzled me for a couple days and I didn't find similar post here or anywhere. guide/selectcolumns/more Mar 29, 2021 · I am using DAX Studio and I would like to add a filter to the table field in SELECTCOLUMNS so that it using two different table depending on the filter's expression result. The DAX is: The SELECTCOLUMNS function behaves similarly to that of the ADDCOLUMNS function except for the fact that, instead of adding the columns to the table included as the first argument, they are added to an empty table. Oct 20, 2021 · And I've tried putting the distinct inside the SELECTCOLUMNS, with no luck. So for that I want to make a calculated column but then first I need to sort these 4 columns so Nov 26, 2025 · DAX introduced a GROUPBY function that should replace SUMMARIZE in some scenarios. I want to re-order a dax table's columns, but selectcolumns doesn't retrun columns in the order I set. Feb 6, 2024 · Demystifying DAX: Understanding the Difference between SUMMARIZE and SUMMARIZECOLUMNS 📊🔍 In the dynamic realm of Data Analysis Expressions (DAX), two key functions, SUMMARIZE and … The techniques involving DISTINCT with SELECTCOLUMNS and the SUMMARIZE function showcase the remarkable flexibility and power of DAX in managing complex data scenarios where distinct aggregation is required. Apr 24, 2021 · A new syntax was introduced in the March 2021 version of Power BI Desktop that simplifies the writing of complex filter conditions in CALCULATE functions. The name of the calculated columns must be enclosed in double quotes. EVALUATE SELECTCOLUMNS ( 'GES BB Invoice Data', "ESS Key", 'GES BB Invoice Data'[ESS_KEY] How to filter table after UNION of other tables. Jun 26, 2025 · In contrast, using SELECTCOLUMNS in DAX still loads the full original table into memory and creates an additional table, which increases the overall memory footprint. guide/selectcolumns/ Dec 19, 2024 · SELECTCOLUMNS is a DAX function that returns a table with selected columns from an existing table and new columns defined by DAX expressions. May 26, 2025 · The SELECTCOLUMNS function in Power BI's DAX (Data Analysis Expressions) language is used to create a new table by selecting specific columns from an existing table or expression and optionally renaming them or applying transformations. Jan 26, 2025 · SELECTCOLUMNS () does bring back all rows, including rows that are now the same as the columns with different values not showing. The only numeric columns considered interesting for the Sales Amount measure are Quantity and Net Price. Background I have been tasked with developing a report that calculates financial factors as well as IRR (XIRR to be specific). And it doesn't aggregate numeric columns as we did not specify any aggregation. Dec 13, 2024 · SELECTCOLUMNS has the same signature as ADDCOLUMNS, and has the same behavior except that instead of starting with the Table specified, SELECTCOLUMNS starts with an empty table before adding columns. For example, you can take only one column, Revenue, from this table: The syntax of SELECTCOLUMNS is simple: Mar 12, 2022 · I am trying to solve the below business logic using DAX: I need a list of customer that has all Nyka bags in last 18 mos All orders in last 18 mos. This sounds fairly simple but I need to do it each month across a date range that is user-filterable. I want to select different columns from each of the tables and create one table based on some filters. it doesn't ignore filters on any column. I just wanted to use the first [Full Name] that appears). Oct 7, 2020 · I've attempted to use SELECTCOLUMNS to rename the columns but this has the same result. In this video, I demonstrate how the SELECTCOLUMNS function works and how to use it as Apr 30, 2018 · Solved: How can I choose specific columns from 4 different tables to create a new table with the chosen data? May 31, 2025 · When using DAX in Paginated Reports and you want to pass parameters dynamically (like a filter value), you must build the DAX query as a string expression using the fx (expression) editor. This function does not guarantee any sort order for the results. A column cannot be specified more than once in the groupBy_columnName parameter. They are all iterative functions. UPDATE 20 Conclusion In conclusion, Addcolumns and Selectcolumns are two important functions in PowerBI that offer users the ability to manipulate and transform data within a dataset. SELECTCOLUMNS: Returns a table with selected columns from the table and new columns specified by the DAX expressions. This quick guide shows you the syntax to do this in Power BI Nov 18, 2018 · If you need more information you have to search / google for "DAX data lineage". Learn how to manage a bunch of columns, avoid column name errors, and maintain a custom order column. Jun 16, 2021 · SELECTCOLUMNS: Returns a table with selected columns from the table and new columns specified by the DAX expressions. However I would like another filter to remove dates 20201229, 20201230, 20201231 and tried using the EXCEPTALL function but that does not work. You can include columns in other related tables, if one or more many-to-one relationships exist to reach the referenced tables. Jun 29, 2024 · Learn how to use the SELECTCOLUMNS function to create a new table with specified columns from an existing table in Power BI. Currently I am getting all the records which contains duplicate records. I'm trying to SELECTCOLUMNS () to return a table with a single column [customer1] and then use SUMMARIZE () to count how many rows are present for each customer. I guess I understand that making [Learner No] Distinct, and [Full Name] MAX, need to be separated, but I can't work out how to combine them within SELECTCOLUMNS. . Nov 26, 2025 · Learn more about SUMMARIZECOLUMNS in the following articles: Introducing SUMMARIZECOLUMNS This article explains how to use SUMMARIZECOLUMNS, which is a replacement of SUMMARIZE and does not require the use of ADDCOLUMNS to obtain good performance. EVALUATE CALCULATETABLE ( SELECTCOLUMNS ( Table1, Table1 [column1] ), Table1 [column2] = "fgh" ) I investigated further on how to create a temp table ( dynamic table Mar 29, 2021 · I have three different tables. Mar 17, 2025 · Example 2 - DAX query with SELECTCOLUMNS and FILTER The following DAX query can be run in DAX query view: Oct 20, 2023 · Learn more about: Table manipulation functionsFabric Data Days Dec 1, 1 PM - Dec 1, 1 PM Six weeks of live sessions, data viz contests, training, & certification exam vouchers. Both methods effectively solve the challenge of eliminating duplicate values while aggregating data in a readable and meaningful format. Jun 20, 2020 · Combine SELECTCOLUMNS and ORDER BY in DAX Asked 5 years, 5 months ago Modified 5 years, 5 months ago Viewed 6k times May 27, 2018 · I have an existing table and I am creating a new table from 3 fields in the existing table. Here is a simple example how to "count" the rows of a table, using a combination of ADDCOLUMNS (SUMMARIZE ()) to create a variable, and finally SUMX to iterate over the tablevariable and a column from the table just as an expression. The result of this function removes duplicate rows. The good news is that in Excel 2016/the Power BI Designer/SSAS Tabu… Jul 17, 2019 · I want to create a new table based on this one: that filters for Warehouse=2 and "drops" the columns "Price" and "Cost" like this: I have managed to apply the filter in the first step using: FILTER( Aug 17, 2020 · This article describes projection functions and techniques in DAX, showing the differences between SELECTCOLUMNS, ADDCOLUMNS, and SUMMARIZE. For example, the following formula is invalid. Oct 4, 2023 · UNION in DAX is used to combine data tables into a single table for analysis. Jun 14, 2019 · DAX Union with SelectColumns 06-14-2019 03:20 PM Hi - I am new to Power BI (coming from years with MSSQL and SSRS) and have a question regarding utilizing a combination of Union, SelectColumns and First/LastNonBlank. With DAX in Power BI, we are equipped with a powerful tool providing advanced data manipulation and analysis features. Thanks! SELECTCOLUMNS – select some columns from table (DAX – Power Pivot, Power BI) The SELECTCOLUMNS function simply takes some column / columns from another table and create a new table from them. Whether you’re using Power Query Editor, the DAX SELECTCOLUMNS function, or adjusting columns in visualizations, you’ll find the best approach for your needs. Is there any way to achieve what I want in the DAX query? Current DAX EVALUATE SUMMARIZECOLUMNS ( 'XactlyTemplate'[Performance Month], 'XactlyTemplate'[Invoice Number1], 'XactlyTemplate'[Transaction Date], 'XactlyTemplate'[Customer Unique ID], Returns a table with selected columns from the table and new columns specified by the DAX expressions. The calculated table was created using Filter, Union, and selectcolumns. I think SELECTCOLUMNS is the DAX formula I should be using since these are all just text fields, but I want to remove duplicates for Material Number. EVALUATE SUMMARIZECOLUMNS ( Nov 12, 2020 · I could use the long-winded way of unioning both tables, keeping only those two columns and removing duplicates, but I expect there is a more efficient way of doing this I don't know about. Jul 16, 2018 · Having columns in an order that makes sense to the modeller is very helpful and having to repeatedly breakoff to write a new SELECTCOLUMNS to put them in a better order isn't satisfactory. It will select the rows in [column1] where the value in [column2] has the text value of " fgh " . So I decided to post myself. Calculating the expression in the context and returning a table, but from the perspective of the data along the data: Dec 20, 2022 · To return just the "Project" column from the table you have defined in your DAX code, you can use the SELECTCOLUMNS function to create a new table that contains only the columns you want to include. WHY is it acting like this? Has anyone run into the same Sep 12, 2018 · Solved: I want to rename the column to something else with DAX below. See example below. Dec 2, 2024 · Hi Jihwan_Kim Thank you ! Adding EVALUATE did the trick and the code below now executes from DAX Query View inside the powerbi file. Oct 24, 2018 · Use WHERE condition in DAX with Union and Selectcolumns? 10-24-2018 09:04 AM I've created a calculated table that takes information from 5 different tables and consolidates it into 3 appended columns (Category, Name, Complete Date) on a single table. The SELECTCOLUMNS function is a powerful feature of the DAX language that can help users select specific columns from an existing table and create new tables with custom calculations. Such a function requires a table in the first argument, which corresponds to the table that is grouped. Feb 23, 2024 · Selectcolumns to make new table and how to sort it 02-23-2024 02:09 AM So from an existing table I was able to extract this : The goal is to see by day how many time a person (name) spend on a process. Despite its advanced capabilities, DAX remains approachable, particularly its table manipulations functions. The example uses the expression below to force the columns to appear in the order I want them displayed. SELECTCOLUMNS is similar to ADDCOLUMNS, and has the same behavior except that instead of starting with the table specified, SELECTCOLUMNS start with an empty table before adding columns. SELECTCOLUMNS DAX Function in Power BI The SELECTCOLUMNS DAX function returns a table with selected columns from the table and new columns specified by the DAX expressions. the cntry_code column to "Country Name". How to reference new column name after SELECTCOLUMNS? UNION ( SELECTCOLUMNS ( Tab1, "NewColor", Tab1 [Color] ), SELECTCOLUMNS ( Tab Jan 23, 2019 · Yes just the values by itself works but if I have to put the values inside the selectcolumns it doesnot seem to work, as I have to select multiple columns here. I built a small demo model in Power BI to investigate the problem I am having with the "temp1" measure. Have a look at the following dax expression: FILTER(DISTINCT( Mar 17, 2023 · This article provides the best practice to use ADDCOLUMNS and SUMMARIZE, two functions that can be used in any DAX expression, including measures. These Aug 20, 2020 · Hi, We all know that both addcolumns and selectcolumns have almost the same syntax and return a table, but I want to know that What is the difference between addcolumns and selectcolumns in DAX? is there any example for that? Jul 23, 2018 · In the second measure,SELECTCOLUMNS (ALL (Sheet4),"category",Sheet4 [Category]) just returns a table which has a column "category". Jan 12, 2022 · The historical DAX function that aggregates and group data leveraging existing relationships is SUMMARIZE. This is the third video in a 6 part series on Virtual Table functions within the Power BI Desktop using DAX. Any ideas? Solved! Go to Solution. The date of last Nyka order Who is the Sales rep on order What is order status? I have written a below DAX: Table = FILTER ( SELECTCOLUMNS ( Mar 31, 2021 · I am new to DAX Studio and I would like to add a condition to the table field in SELECTCOLUMNS so that it using two different table depending on the condition's expression result. Apr 5, 2019 · I'm using SELECTCOLUMNS to project a subset of fields from my data model onto an Excel worksheet. SELECTCOLUMNS is a Tabular function Read more about Create a subset of the table in Power BI and Feb 14, 2021 · I created a new table with the SELECTCOLUMNS DAX with a filter for RecordType since I only want DX and it works fine.