Distinct dax. Feb 9, 2017 · Hi there, We are creating DISTINCT tables.

Distinct dax Below is my dataset sample I need output as below How to do the DAX calculation for the above? I checked an existing question on the same but not successful. One student takes multiple courses. Previously i have used Summary = DISTINCT(UNION(VALUES('Tab Sep 3, 2023 · The execution of the DAX query generated for this visualization is relatively quick. Put Jun 24, 2021 · https://dax. In this scenario, the 248,000 number is good Dec 2, 2021 · Notice that although the category of Accessories has 35 products only, the greatest number of sales are recorded for this category. What is the Power BI DISTINCTCOUNT Function? The Power BI DISTINCTCOUNT function is used to count the number of distinct values in a single column. » Read more Preparing a data model for Sankey Charts in Dec 12, 2020 · Using DAX in Power BI, I would like to calculate the amount of values by id and date. Jan 16, 2023 · The DAX DISTINCT returns a one-column table that contains the distinct values from the specified column. . Jan 14, 2025 · The DAX DISTINCTCOUNT with filter formula is a powerful tool for counting unique values within a specified column, which is essential for enhancing Business Intelligence capabilities and driving operational efficiency through RPA. Remarks VALUES is similar to DISTINCT, but it can have an additional blank row in case the table has at least one one-to-many relationship with other tables where there is a violation of referential integrity. However, they are not identical. 1 day ago · Where: columnName: The column where you want to count unique values. Part of the data in the original table is a column of type text which I generate a comma delimited summary string. DISTINCT: Returns distinct (unique) values in a column or from a table expression. Nov 26, 2025 · Returns a one column table that contains the distinct (unique) values in a column, for a column argument. Well, such a function doesn’t exist in DAX, but imagi DISTINCT (DAX – Power Pivot, Power BI) This article is about the DISTINCT function in DAX, which creates new table with unique values (you can also say it removes duplicates…). Or you can create a calculated table with distinct (NOWD and SNAME). Currently I am getting all the records which contains duplicate records. Mar 26, 2025 · As discussed in a previous article - DAX ALL VS ALLEXCEPT - the ALL function— when applied to a single column—returns all the distinct values of that column. But in the bottom card I created a simple DAX equation (Formula below the card) that filters out the blank values so that I am only counting the rows with data. The result of the two tables should be something similar to "group by" function bases on both tables. Use of DISTINCTCOUNT () Now, you will learn how to find the distinct products sold using DAX functions. The result table must be like this one: Mar 26, 2025 · Distinct dax with condition ‎ 03-26-2025 12:11 AM Hi, I'm getting unique values using Distinct to avoid duplicate list but can I add one conditon from its data table? In the same table 'TOSS serivce PO_master - Append', there's another column 'Contract Amount' and I wanna take out which has value 0. Dec 29, 2023 · This tutorial explains how to get distinct values from multiple columns in Power BI, including an example. Understanding their distinct functionalities is crucial for leveraging the full power of DAX. One situation you might have come across is, why VALUES & DISTINCT gives you different result. Or multiple columns with distinct (unique) combination of values, for a table expression argument. The fast result time is far more useful to me than taking 10 minutes or more to say to me it found exactly 248,123 results. DISTINCTCOUNT function counts the BLANK value. Need 1:1 help with Power BI? Connect with me on Topmate:https://top Mar 25, 2025 · This way Excel counts the number of customers for each item, but I could not manage to get their distinct count. Jun 30, 2025 · When you begin modelling in DAX, DISTINCT and VALUES often appear interchangeable: both return the list of unique values for a column in the current filter context. Weighted Value = (10+20+30+40+30+20) / (5+3) I have found several references to Distinct count calculations, but none seems to give me the result that I require. Remarks The only argument allowed to this function is a column. Issues = var ft = FILTER(RELATEDTABLE(Data), [ID] = Data[ID] && Data[Result] <> "Pass" && Apr 15, 2023 · I have a table with two columns which contains date and sales order. If the parameter is a table expression, the result has the same columns and does not remove duplicated rows. Mar 8, 2011 · I recently got a question about differences between DISTINCT and VALUES in DAX and thanks to Jeffrey Wang I created a simple example to describe the difference. Jan 9, 2021 · , glad that my solution is of help. How can I manage to get the count of distinct customers for each item in DAX? Solved! Go to Solution. Because the distinct count calculation is non-additive, the result produced by the storage engine cannot be used by the formula engine to aggregate the result of an intermediate calculation May 24, 2022 · Hi @vikrammankar , I suggest you to create a table visual by "Don't summarize" function in [NOWD] column in Value Field. the uniqunes is based on Material & Period combination. e. These functions are not just mere features; they represent a paradigm shift in how data is aggregated, analyzed, and Nov 26, 2025 · Handling BLANK in DAX » Read more Blank row in DAX There are two functions in DAX that return the list of values of a column: VALUES and DISTINCT. May 31, 2018 · I received a question about how to implement the equivalent of a DISTINCTCOUNTX function in DAX. » 9 related In this detailed tutorial, Mitchell Pearson demonstrates how to leverage advanced DAX (Data Analysis Expressions) in Power BI to extract distinct values from related tables and combine them effectively. Weighted Value = Sum ("Value") / Sum ({Unduplicated country} "Weight") i. Learn how to use the Power BI DISTINCT function to return unique values or rows from a column or table expression. DISTINCT DISTINCT (column) accepts a column reference as a parameter and it returns a one-column table that contains all of the distinct (unique) values of that column as visible in the current filter context. My Sample: Result is as below. In other words, duplicate values are removed, and only unique values are returned. Apr 25, 2024 · The only argument allowed to this function is a column. Nov 26, 2025 · A column of unique values if the parameter is a single column. Simplify interpretation with a concise guide. guide/distinct/ VALUES: Returns distinct (unique) values in a column or all the rows (including Dec 29, 2023 · This tutorial explains how to count the number of distinct values in Power BI with a filter, including an example. Sep 29, 2024 · This post provides everything you need to know about the VALUES, DISTINCT, ALL & ALLNOBLANKROW DAX Table Functions in Power BI. You can use APPROXIMATEDISTINCTCOUNT with the following data sources: Azure SQL, Azure SQL Data Warehouse, BigQuery, Databricks, and Dec 1, 2016 · Hello, I have the table below and I'm trying to construct a DAX formula to do the following calculation, but haven't succeeded. Any Help would be Appreciated Thanks in Advance Apr 12, 2025 · In the realm of data analysis within Power BI, the DISTINCT and SUMX functions stand as pivotal tools for analysts seeking to extract meaningful insights from complex datasets. For example, the following formula is invalid. I want to create an another table using DAX which contains distinct sales orders getting data from sales order column for making Jan 9, 2020 · Hi I have two tables and i am trying to make a summary table using "New Table". The syntax: Jun 24, 2022 · Unravel the complexities of DAX functions like VALUES (), DISTINCT (), ALL (), and ALLNOBLANKROW (). ? I have tried following dax. Apply Filters with DISTINCTCOUNT in Power BI DAX Let us see how we can use DISTINCTCOUNT with a filter to count distinct values in Power BI. Apr 24, 2018 · I want to get a list of unique records in a new Table which is created using SELECTCOLUMNS. A column cannot be specified more than once in the groupBy_columnName parameter. Nov 26, 2025 · The number of distinct values in ColumnName. When the function finds no rows to count, it returns a BLANK, otherwise it returns the count of distinct values. Two functions Mar 26, 2019 · The iterator functions are handy and operate on table expressions, so try SUMX TotalDistinctAcreage = SUMX(DISTINCT(Table1[Acres]),[Acres]) This will generate a table that is one column containing only the distinct values for Acres, and then add them up. Jun 30, 2024 · COUNT (), COUNTROWS () and DISTINCTCOUNT () are often highlighted in our Power BI training sessions. For example, if you use the formula in the following example to create a measure, the results would change whenever the table was filtered to show only a particular region or a time period. In a clean development model, they behave the same, so it is easy to pick one at random – or worse, swap between them without thinking. Let´s start with this table: if you want tu make a list of unique values in first column (and create a new table – since standalone DISTINCT only makes sense for table creation), just type: Table with unique Apr 23, 2020 · I have a measure that follows the pattern as mentioned below Test Adds = CALCULATE ( SUMX ( DISTINCT ( SUMMARIZE ( Sales, Sales[Order Date], Sales[Order Number] ) ), IF ( Sales[Sales Amount] > 0, 1, 0 ) ) ) I was wondering if I really need the DISTINCT over a SUMMARIZE cal Jan 13, 2020 · I am trying to do get distinct records on multiple columns in DAX query similar to the way I do in SQL. You can use columns containing any type of data. Is that possible in Power BI. Dec 19, 2024 · DISTINCT is a DAX function that returns a one-column table with unique values from a specified column or a table with unique combinations of multiple columns. Feb 5, 2023 · Difference between the Distinct and VALUES DAX functions in Power BI. The DISTINCT DAX function returns a one-column table that contains the distinct values from the specified column. I tried joining two tables based on the model in the Query Designer which gave me the following query. Distinct Table = SUMMARIZE('Table','Table'[SNAME],'Table'[NOWD]) Result is as below. Moreover, table functions always return a table, which you can use directly for analysis or as a virtual table Oct 21, 2020 · Dax for sum of distinct values ‎ 10-20-2020 10:50 PM Hi I have a dataset which has a student ID and Course-name. You can use this function to create measures in Power BI for your reporting or data visualization requirements. https://dax. Best Regards, Rico Zhou If this post helps, then please consider Accept it as the solution Dec 20, 2019 · Approximate Distinct Count If I search for “DAX Distinct Count” in Google, I quickly get back a result telling me it found approximately 248,000 results (in 0. How do we remove the BLANK row so we only have non blank rows? We looked at: FILTER(DISTINCT(Transactions[CheckInLoc]), <> BLANK) Thanks! Apr 25, 2024 · The DISTINCT function allows a column name or any valid table expression to be its argument but the VALUES function only accepts a column name or a table name as the argument. We are getting distinct rows, but we are also getting a BLANK row. Let’s start by exploring these functions and then move on to some advanced use cases that can transform your data analysis. Apr 25, 2024 · The results of DISTINCT are affected by the current filter context. To skip the BLANK value, use the DISTINCTCOUNTNOBLANK function. Mar 4, 2022 · DISTINCT () vs. Jan 23, 2019 · Dax How to get distinct values from a column Asked 8 years ago Modified 6 years, 10 months ago Viewed 38k times May 26, 2022 · We have seen in my previous blog post that table functions are functions in DAX that return a table. Learn essential techniques to identify unique data, improve reports, and streamline your analysis workflow. guide/distinct/ VALUES: Returns distinct (unique) values in a column or all the rows (including duplicates) from a table expression, in both cases with the additional blank row if present. This blog post will explore one of the most common table functions – DISTINCT. This function invokes a corresponding aggregation operation in the data source, which is optimized for query performance, but with slightly reduced accuracy. This article describes the difference between the two, explaining the details of the blank row added to tables for invalid relationships. Nov 26, 2025 · The number of distinct values in ColumnName, ignoring the blank value. Apr 25, 2024 · There is another version of the DISTINCT function, , that takes a column name as input parameter. (NB the weights are linked to Nov 1, 2018 · The DISTINCT function creates a list of distinct values in the specified column. Further to your question, if SUM() is used, all weights of the same a unique File Ref will be summed up. This function is not supported for use in DirectQuery mode when used in calculated columns or row-level security (RLS) rules. You might want to try these 2 measures to see the differences. This function invokes a corresponding aggregation operation in the data source, optimized for query performance but with slightly reduced accuracy. This function does not guarantee any sort order for the results. VALUES () are two commonly used table functions in DAX that help calculate tables based on specific requirements. Solved! Go to Solution. By taking the example of the table below (there are hundreds more rows in a sim Aug 23, 2021 · Hi All, I am trying to fetch all the distinct PrimaryName except blank value from existing table to a new one but there is blank value also present. It can be used to remove duplicate values, count distinct values, and filter data based on unique values. Learn DAX with Microsoft tools. Jun 30, 2025 · DAX DISTINCT vs VALUES: Choose wisely for resilient measures in Power BI and data modeling. Remarks DISTINCTCOUNTNOBLANK is syntax sugar for evaluating DISTINCTCOUNT removing BLANK from the filter context. However, it is interesting to see the large number of storage engine queries (SE Queries) executed in the query plan. This means that the duplicate values from a column are eliminated and only unique values are kept. 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. But what is the big difference between the count and distinct count? The difference is that a distinct count does not count the same value twice. The syntax: Dec 29, 2023 · This tutorial explains how to count distinct values in a column in Power BI, including an example. Feb 9, 2017 · Hi there, We are creating DISTINCT tables. In the end I used a pivot for this distinct count. You can also use DAX (Data Analysis Expressions) in combination with the Power BI DISTINTCOUNT function to create complex calculations Jan 13, 2021 · Solved: I have the following DAX measure: CurrentBorger = CALCULATE ( COUNTX ( FILTER ( 'nexus2 Fact_VisiteretTid', 'nexus2 Fact_VisiteretTid' [Start] Apr 25, 2024 · Returns an estimated count of unique values in a column. 36 seconds). Then SUMX goes through this list one at a time and adds Table1[number] for each row. Oct 10, 2023 · In DAX, it is key to understand the details of several DAX functions to understand how they behave. Oct 21, 2025 · Discover how to get distinct column values in Power BI. Test MAX = SUMX( DISTINCT( Table1[File Ref] ), CALCULATE( MAX( Table1[Weight] ) ) ) Test SUM = The DISTINCT (Column) Function is mainly used for DAX deduplication based on a column. See examples of creating measures, tables, and visuals with DISTINCT in Power BI. Apr 25, 2020 · I want to create a new table using DAX with distinct values of one column, and the value of one other column - in the original table there are multiple entries, but each has two different references which are the same of each row. There are two other functions with similar behavior: VALUES and DISTINCT, although they differ in some important ways. However, these functions do not retrieve existing tables from the data model; instead, they create new ones to enrich data by adding extra information. While the conventional approach involves executing the distinct count operation in the Power BI model using DAX or within a visualization, counting distinct values directly in Power Query presents a valuable and potentially optimal solution when only the aggregated result is required, without the need for detailed data. Nov 14, 2016 · Concatenatex with Distinct column values ‎ 11-14-2016 01:29 PM Hi, I am summarizing data from one table into another. Nov 26, 2025 · Returns an estimated count of the unique values in a column. This function is not supported for use in DirectQuery mode when The DISTINCT function in Power BI DAX is a powerful tool for retrieving unique values from a table or column. The results of DISTINCT function are affected by the current filter context. For example, if you use the formula in the following example to create a calculated field, the results would change whenever the table was filtered on the column Region. In this example, we use the Financials table to filter the values, then count only distinct values using the DISTINCTCOUNT function in Mar 20, 2024 · In the dynamic world of Power BI and DAX (Data Analysis Expressions), understanding how to extract distinct values from columns is a fundamental skill for effective data analysis. Mar 21, 2023 · In PowerBI, I am struggling to get a concatenate a list of the unique values for each row into a column or a measure.