Other commonly used DAX functions include SUM, AVERAGE, MIN, MAX, and many more. The RELATED DAX function unleashes the full potential of Power BI for cost analysis by enabling users to integrate and analyze data from multiple tables. Data Analysis Expressions (DAX) are the collection of formulas, functions, operators, and constants that allows a user to create measures, dimensions, and custom tables. One table is an Item ID with the name of a. Deprecated. Step-2: Now create a new column in Product table. A Scenario: Region managers require a visual to analyze weekly sales and returns. DAX formulas include functions, operators, and values to perform advanced calculations and queries on data in related tables and columns in tabular data models. The Formats for dates, times, and numerals are also adjustable. This function is deprecated. Filter functions - These functions help you return specific data types, look up values in related tables, and filter by related values. We really only touched on the basics of functions. This cheat sheet is your handy companion when working with DAX formulas and statements in Power BI. RELATED. The RELATED function is a powerful feature of DAX that allows users to retrieve data from related tables based on established relationships. I am talking about RELATED and LOOKUPVALUE. Other related topics: Pre dictive Analytics; Power BI Embedded; Power BI Governance; Power BI Training . Before diving into the specifics. PowerBI has a feature called DAX functions that are used to perform various expressions by solving various equations and return values based on arguments and functional aspects. » 2 related articles. Thanks to context transition, using a measure in the filter expression it is possible to filter a table based on a dynamic calculation involving other rows and/or tables. See Remarks and Related functions for alternatives. Optimizing date-related DAX functionsBy following these best practices,. It takes one argument: the name of the column in the related table to retrieve the value from. Power BI is one of the most robust and powerful business intelligence tools out there. This DAX syntax could be a real issue when the list of values to test is long, because the length of the query string might become unmanageable. Returns the largest value in a column. The RELATED DAX function in Power BI presents an incredible opportunity for organizations to unlock the true potential of their balance sheet analysis. RELATED ( <ColumnName> ) ADDCOLUMNS. Therefore, the IN operator is usually better. Please visit. Jump to the Alternatives section to see the function to use. text is the text in which you want to substitute characters, or a reference to a column containing text. RELATED is a DAX function used to retrieve a related value from another table. In this article, you learn a new feature in DAX 2015: variables. Indeed, you can only have one active relationship between any two tables. Relationship Functions: Using these DAX functions, you can return values from another related table, specify a particular relationship to use in an expression, and specify cross-filtering direction. Create the necessary relationships between the tables by specifying the related columns and their relationship type (e. Add column in Table items based on left join on item_category table. In this practice with PowerBI, I utilized DAX. Both the RELATED and LOOKUPVALUE functions in DAX work similarly to a LOOKUP function in Excel. » 6 related articles. End Date: The date you want to count the difference to. Related function not working. DAX – GROUPBY Function. The lookup functions operate similarly to a database by employing tables and relationships. The SELECTEDVALUE function simplifies the syntax required when you use a numeric column of an entity as a parameter in a calculation. Deprecated. A table or any expression returning a table must. But before you begin, make sure to optimize your measures. Write the DAX expression using the ALL function, specifying the column or table to ignore filters on. Types of Power BI DAX functions. However, there are exceptions to this rule, described in this article through a simple performance analysis. You. In DAX string comparison requires you more attention than in SQL, for several reasons: DAX doesn’t offer the same set of features you have in SQL, a few text comparison functions in DAX are only case-sensitive and others only case. Read related article. DAX Date and Time functions are similar to the Excel date and time functions. 'Main' [Location] == RELATED (Indianlocations [Location]), 9, IF ('Main' [Location] == RELATED (Otherlocations [Location]), 8, 0) ) In case you want to use IN operator, try following DAX. Imagine we are a marketing manager keen on evaluating the impact of a recent campaign. Explore other related DAX functions, such as VALUES and ALL, to expand your analysis capabilities and address specific scenario analysis requirements. As your DAX skills improve, you will create formulas using many different functions. To retrieve month names from a date column, the primary DAX function you would use is FORMAT, as previously mentioned. The syntax of the RELATED function is: RELATED (<column>) where <column> is the name of a column you want to use from a related table. Not recommended. A measure is a formula that is created specifically for use in a PivotTable (or PivotChart) that uses Power Pivot data. From simple forecasting models to complex predictive analytics, the RELATED function offers versatility and flexibility, making it an invaluable tool for revenue projection and planning in a wide range of. e. Volatile. 10-06-2020 12:26 PM. 1. The COUNT function internally executes COUNTX, without any performance difference. (DAX – Power Pivot, Power BI) There are two functions in DAX with similar, and sometimes replaceable, use. The COUNTA function internally executes COUNTAX, without any performance difference. To do this I've created a relationship between two tables, the first being called SAP Basis of Comparison and the second table is called Supplier Statement. Following are the DAX Date and Time functions −. When used as filters in CALCULATE, ALLxxx functions might. See Remarks and Related functions for alternatives. The 2015 version of the DAX language has many new functions, but none of them is a game changer for the language as variables are. By harnessing the capabilities of this function, companies can gain deeper insights into their financial data, identify areas of improvement, and drive better financial performance. สิ่งสำคัญของการใช้งาน Power BI ที่ขาดไม่ได้และเป็นเรื่องสำคัญมาก ๆ อย่างหนึ่งนั้นคือ DAX (Data Analysis Expressions. Measures and calculated columns both use DAX expressions. The primary key and foreign key are Reference Number. Here is the starting point for this requirement. I am trying to bring a column from the dimension table to the fact table but using the DAX Related function but it is not working. When you use the RELATEDTABLE function, it looks for the defined relationships. As you can see in the above table, RELATED and LOOKUPVALUE have the same result, however, each function has its own syntax and. The following COUNT. Step-1: Create a measure and write IF condition as mentioned below. USERELATIONSHIP can only be used in functions that take a filter as an argument, for example: CALCULATE, CALCULATETABLE,. Example = SUMX (RELATEDTABLE (East_Sales),East_Sales[Sales Amount]). B. It can only. RELATED function is a Power BI Relationship function in DAX which returns a related value from another table. Jump to the Alternatives section to see the function to use. Volatile. The functions perform a particular operation on the enclosed values in arguments. The RELATED function is a powerful tool that allows you to create relationships between tables and access data from related tables. Not recommended. Name: The name given to the column, enclosed in double quotes. SUBSTITUE function is a Power BI DAX TEXT function that allows to replace existing text with new text in a text string. The context of the cell depends on user selections in the. Learn more about SEARCH in the following articles: From SQL to DAX: String Comparison. We really only touched on the basics of functions. The RELATED DAX function can be leveraged to implement dynamic pricing analysis in Power BI. Description. ”. In all of our VLOOKUP examples we will use the following dataset. The RELATED function in DAX plays a crucial role in establishing relationships between tables in Power BI. Through its ability to establish relationships, this function allows for seamless navigation and retrieval of data across related tables. Luckily, in SQL 2012, DAX has been enriched with the ISFILTERED function, which lets you detect whether a column has been filtered or not. When a column name is given, returns a single-column table of unique values. See Remarks and Related functions for alternatives. COUNT and COUNTA are identical in DAX for all the data types except Boolean. Evaluates an expression for each row of a table and returns the largest numeric value. Jump to the Alternatives section to see the function to use. BiDi:= CALCULATE( [Distinct Count of ProductKey], CROSSFILTER(FactInternetSales [ProductKey], DimProduct [ProductKey]. This function is deprecated. The RELATED DAX function is an essential tool for creating dynamic and interactive reports in Power BI. Examples:. DAX ย่อมาจาก Data Analysis Expression โดย DAX คือชุดของ Functions, Operations และ Constants เพื่อการคำนวณใน Data Model ที่จะนำไปใช้กับ Power BI Desktop, Power Pivot, SQL Server. The following link should give you the basic details on creating and managing a relationship:. See Remarks and Related functions for alternatives. ฟังก์ชัน RELATED กําหนดให้ความสัมพันธ์เกิดขึ้นระหว่างตารางปัจจุบันกับตารางที่มีข้อมูลที่เกี่ยวข้อง คุณระบุคอลัมน์ที่มี. I am talking about RELATED and LOOKUPVALUE. Jump to the Alternatives section to see the function to use. It will look up the related value in another table and return the result. You would have to create a relationship between Table1 and Table2 based on Product and hopefully it is a one to one mapping. Returns a table with one column of dates calculated from the model automatically. Microsoft regularly releases updates and new features for Power BI, which may include new DAX functions or improvements to existing ones. Not recommended. When you evaluate a DAX expression, a blank value is always converted to 0 or to an empty string, depending on the data type requested by the expression, unless it is evaluated in any term of a multiplication, in which case the blank value propagates in the multiplication result. Learn more about EARLIER in the following articles: Variables in DAX. Jump to the Alternatives section to see the function to use. DAX RELATED function needs a row context. Many of the functions in DAX are similar to the Excel date and time functions. RELATED Vs LOOKUPVALUE DAX in Power BI. Not recommended. In this tutorial, I’ll show you some advanced formulas and DAX examples using different functions in Power BI. When DAX RELATED function performs a lookup, it examines all values in the specified table regardless of any filters that may have been applied. -- argument that defaults to a blank. It returns a table that contains all the dates from the start of the current year to the latest available. Now, come back to the “Report” tab. Use the RELATED DAX function to establish connections between the tables. Then you can use this column for comparison in DAX. RELATED(<column>) CALCULATE Function: This Function makes simple calculations of multiple variables easy. Step-2: After that Write below DAX function. See Remarks and Related functions for alternatives. Data Analysis Expressions (DAX) is a library of functions and operators that can be combined to build formulas and expressions in Power BI, Analysis Services, and Power Pivot in Excel data models. = RELATED(ColumnName) ColumnName is the column name you want to retrieve values from (must reference a table on the “one” side of a many-to-one relationship). ”. Returns the smallest value in a column, including any logical values and numbers represented as text. • Because there is a relationship, the only input needed is the reference to the column in the dimension table that. Volatile. To stay up-to-date, it is essential to monitor the latest developments and enhancements in DAX functions and related tools. These functions help you create calculations based on dates and time. Hi, I have a question about the RELATED DAX function if someone can help please. See Remarks and Related functions for alternatives. Understand the nature of the relationship between the tables. DAX includes the following categories of functions: Date and Time, Time Intelligence, Information, Logical, Mathematical, Statistical, Text, Parent/Child, and Other functions. » Read more. It is particularly useful in scenarios where you need to perform calculations or analysis based on data from multiple tables. The RELATED DAX function is a powerful tool in Power BI that allows users to establish relationships between tables and retrieve data from related tables. The RELATED DAX function in Power BI is a powerful tool that allows users to establish relationships between tables and retrieve data based on those relationships. The ability to create CALCULATE filter arguments with multiple columns simplifies the DAX code and usually. Power BI support more then 200 types of DAX functions like- Date & Time functions, Filter functions, Text functions. The Related function essentially brings you the value from a connected or related table, just like a lookup. Go to the Modeling tab> Click on New table. How to do a COUNTIF in Power BI; How to correctly use IF in DAX; Using Icons for KPIs in Power BI; How to copy and paste data from Power BI. See examples below. The use of this parameter is not recommended. DAX functions are great and provide lot of flexibility to achieve desired output. A more accurate way of looking at this is that RELATED lets you access the related columns of an expanded table. This function is deprecated. Also from a performance point of view, the engine creates two different and independent subqueries to retrieve the values of the two columns. Jump to the Alternatives section to see the function to use. 0. The use of this parameter is not recommended. Advanced Techniques: Using RELATED DAX Function for Dynamic Pricing Analysis. Returns a related value from another table. Many of the functions in DAX are similar to the Excel date and time functions. The syntax of the RELATED function is: RELATED (<column>) where <column> is the name of a column you want to use from a related table. Meanwhile, The RELATEDTABLE function allows you to retrieve a. The RELATED DAX function significantly enhances data visualization capabilities in Power BI by enabling the creation of insightful dashboards and reports. USERELATIONSHIP uses existing relationships in the model, identifying relationships by their ending point columns. It can only. A filter context is a set of filters over the rows of the data model. To VLOOKUP in Power BI users can either “merge” two tables together, build a relationship between tables or use the LOOKUPVALUE DAX function. Many of the functions in DAX are similar to the Excel date and time functions. This function is deprecated. I am new to power BI and have been working on this for a month now. ”. Measures. Learn more about CONCATENATE in the following articles: Using CONCATENATEX in measures. Without the IN operator, a possible alternative was storing the list of values in a separate table, similar to the one called Selection in the following. Any DAX expression that returns a table of data. How to Use RELATED DAX function in Power BI for Financial Modeling Understanding the basics of DAX functions in Power BI. . It is used to establish a. To know how to overcome the above issues and get the RELATED function work as expected and the IntelliSense list suggested columns, Please check Why the RELATED DAX function is not working in. A volatile function may return a different result every time you call it, even if you provide the same arguments. This article describes how to create a virtual relationship in DAX using the TREATAS function, which is more efficient than approaches based on INTERSECT or FILTER. Hi @edithees , It seems you are adding a custom column in Power Query Editor, but the RELATED function is used for DAX. This parameter cannot be an expression. It is a scalar function, meaning it returns only one single value, and it gets one single input parameter. Download. Meanwhile, The RELATEDTABLE function allows you to retrieve a. Not recommended. A volatile function may return a different result every time you call it, even if you provide the same arguments. RELATED DAX Function. PMT() returns a value that includes principle and interest only. Deprecated. An equivalent expression for SELECTEDVALUE (<columnName>, <alternateResult>) is IF (HASONEVALUE (<columnName>), VALUES (<columnName>), <alternateResult>). . Many of the functions in DAX are similar to the Excel date. COUNTA can operate on a Boolean data type, whereas COUNT cannot do that. 2. Data Analysis Expressions (DAX) are the collection of formulas, functions, operators, and constants that allows a user to create measures, dimensions, and custom tables. The use of this parameter is not recommended. When used as filters in CALCULATE, ALLxxx functions might. Type SalesSum and type SUM formula on the right side of the equal sign. The CALCULATE function in Power BI is a key tool for performing calculations and modifying filter contexts in the data model. Let’s find out one example. With this function, you can specify the start and end dates of your calendar, as well as the intervals (e. DAX functions can be categorized into several types, including mathematical and statistical functions, text functions, date and time functions, logical functions, and many more. Open the LOOKUPVALUE function now. This function is deprecated. This article shows how to use the USERELATIONSHIP function in DAX to change the active relationship in a CALCULATE function. DAX includes the following categories of functions: Date and Time, Time Intelligence, Information, Logical, Mathematical, Statistical, Text, Parent/Child, and Other functions. It is used to establish a relationship between tables based on a common column, and then retrieve related data from one table to another. Both can be used to assign values from other table - similarly to VLOOKUP in Excel. Add the current date for the live data. The Calendar function is a DAX function that allows you to create a custom calendar table. A volatile function may return a different result every time you call it, even if you provide the same arguments. Learn more about REMOVEFILTERS in the following articles: Managing “all” functions in DAX: ALL, ALLSELECTED, ALLNOBLANKROW, ALLEXCEPT. You can create a measure as below using related function: Sales [Sales at List Price] = SUMX ( Sales, Sales [Quantity] * RELATED ( 'Product' [List Price] ) ) Or try to use the LOOKUPVALUE function to retrieve the lookup value . Step-1: Load Orders dataset into Power BI. Using RELATED function in DAX with USERELATIONSHIP. RELATED DAX Function (Relationships management) Syntax | Return values | Remarks | Examples | Articles | Related Returns a related value from another. A measure is evaluated in the context of the cell evaluated in a report or in a DAX query, whereas a calculated column is computed at the row level within the table it belongs to. DAX ย่อมาจาก Data Analysis Expression โดย DAX คือชุดของ Functions, Operations และ Constants เพื่อการคำนวณใน Data Model ที่จะนำไปใช้กับ Power BI Desktop, Power Pivot, SQL Server. Deprecated. COUNT and COUNTA are identical in DAX for all the data types except Boolean. Let’s say you want to do a role-playing-dimension and filter the OrderQuantity using OrderDate and ShipDate both. Before using any time-intelligence functions, make sure to mark one of the tables containing. See Remarks and Related functions for alternatives. The use of this parameter is not recommended. Each of these sections will be imported into Power BI as separate tables. » Read more. Consider the RELATED function. However, there are some built in DAX functions which can take advantage of existing relati. See the most common uses, common misperceptions,. They return one or more values and are used to solve data analysis problems, creating a new relationship between different data variables. DAX Cheat Sheet. In this video, we will learn about the DAX related function how to use it and when to use it. This function is particularly useful when working with complex data models that involve multiple tables and relationships. Poznámky. But it doesn't let me do the opposite ( creating a new column on table Y with getting the column table X). The Related Function is a DAX function in Power BI that allows you to retrieve related values from a related table in the Data Model. (Optional) The name of an existing column to be used to identify current row in the window function’s <relation>. Two arguments are needed for the COUNTX function. Apply the DAX expression to a measure, calculated column, or calculated table in Power BI. See Remarks and Related functions for alternatives. . ) REMOVEFILTERS: REMOVEFILTERS (TableName or ColumnName,. Much like the CALCULATE function described earlier, the RELATED function is very important, and you will likely use it many times. Close the bracket and press the “Enter” to get the new summarized table. It comes under Table Manipulation DAX Functions category. Related articles. The RELATED function retrieves values from a related table based on the active filter context. You can generate dynamic calculations by manipulating the data context with filtering functions. You can use the MEASURES() function to return a list of all measures within a dataset, the CALCULATE() function to calculate values within a measure, and the. Relevant DAX functions Relationship evaluation Next steps This article targets import data modelers working with Power BI Desktop. The historical DAX function that aggregates and group data leveraging existing relationships is SUMMARIZE. RELATED Vs LOOKUPVALUE DAX in Power BI. There are two types of context: Row Context and Filter Context. If there isn't a match that satisfies all the search values, BLANK or alternateResult (if specified) is returned. So, if they are similar, which one should be used in which situation? Why to use RELATEDIn other words, the expression returns the sum of freight charges for only the specified sales area. DAX is continuously being improved with new functions and functionality to support new features. Related articles. Not recommended. I have two tables in my Power BI Report, Fact Table with directquery mode and dimension table with import mode. Zadáte sloupec, který obsahuje požadovaná data, a funkce následuje existující relaci M:1, která načte hodnotu ze zadaného sloupce v související tabulce. This function is deprecated. I have this exercise to be done on 10. I assume history date is the extract date, so you would end up with potentially 2 date columns. This function is deprecated. You'll learn to write. A dropdown suggestion list shows all of the DAX functions beginning with the letter R. To implement the RELATED DAX function effectively, follow these steps: Identify the tables and columns that require a relationship. . Subscribe. Understand the nature of the relationship between the tables (one. I am getting the. Feedback. A: incorrect - RELATED DAX function requires a relationship between 2 tables, while we can't build a relationship between sales (daily) & returns (weekly) B: incorrect - This procedure will change weekly data in returns to daily, and eventually will end up incorrect results after being aggregated to weekly C: unnecessary & incomplete. DAX Cheat Sheet. The COALESCE function in DAX. The COUNTX function counts only values, dates, or strings. The use of this parameter is not recommended. Pokud relace neexistuje, musíte vytvořit relaci. Because this column is in a different but related table, you can use the RELATED function to help you get it. Other related functions are: MAXX; MAXADAX Patterns: Related distinct count. Expressions like this are made up of various parts, such as functions, operators, and constants, all combined into a single formula and evaluated to provide a result (value or values). If you’re familiar with functions in Excel formulas, many of the functions in DAX will appear similar to you; however, DAX functions are unique in the following ways:The Power BI RELATED function is a Relationship function under DAX (Data Analysis Expressions) function used to retrieve a single value from a related table based on a defined relationship. Most DAX functions require one or more arguments, which can include tables, columns, expressions, and values. 2. In this case, you will be forced to use the BITWISE keyword to can get the column value, and then use the BITOR DAX function as below:. FILTER can filter rows from a table by using any expression valid in the row context. » Read more. Related function not showing table. The use of this parameter is not recommended. There's a one-to-many relationship between the Date and Sales tables. Application of DAX functions in retrieving month names from the date column in Power BI. Here you will learn different DAX functions, their uses and how to utilize them. Not recommended. Since there are many tables that have relationship to the. Does not support Logical values (TRUE/FALSE values). The RELATED function requires that a relationship exists between the current table and the table with related information. As a nested. The syntax for the RELATED function is: RELATED(ColumnName) Where ColumnName is the column that contains the value you want to retrieve. See the function descriptions, examples and feedback. ) Parameters: When working with these two filter functions, you need to provide either a table or a column name. It takes one argument: the name of the column in the related table to retrieve the value from. This can be in either days, hours, minutes, months, quarters, seconds, weeks or years. Not recommended. If a relationship does not exist, you must create a relationship. Volatile. Thanks to context transition, using a measure in the filter expression it is possible to filter a table based on a dynamic calculation involving other rows and/or tables. DAX in Power BI. The RELATED DAX function in Power BI is specifically designed to facilitate the discovery and analysis of relationships between data tables. This cheat sheet is your handy companion when working with DAX formulas and statements in Power BI. To understand DAX functions better, one should know these features. FILTER can filter rows from a table by using any expression valid in the row context. Somewhat obviously, fees, taxes, insurance, reserve payments, and other costs associated with loans are computed and. Luckily, in SQL 2012, DAX has been enriched with the ISFILTERED function, which lets you detect whether a column has been filtered or not. See Remarks and Related functions for alternatives. The EARLIER function gets the value of TotalSubcategorySales for the current row in the table. Data Analysis Expressions (DAX) is a formula expression language used in Analysis Services, Power BI, and Power Pivot in Excel. Definition. I have updated the table using the RELATED query on DAX. Evaluates an expression for each row of a table and returns the largest numeric value. Some DAX functions return a table instead of a scalar, and must be wrapped in a function that evaluates the table and returns a scalar; unless the table is a single column, single row table, then it is treated as a scalar value. » Read more. There. Power BI DAX RELATEDTABLE function learn how it works There are multiple functions that can help when you work with tables that are connected through relationships. For specific scenario, it works. Step-3: You can change the font color white for Sales_Tag measure total, because here no need to display Text as in Total. The critical difference between them is that RELATED works on the “many-side “ of the relationship, and RELATEDTABLE works on the “one-side” of the relationship. This function is deprecated. Definition. Deprecated. It provides a flexible way to transform and manipulate data within your DAX formulas. Power BI Model relationships in Power BI Desktop Article 10/27/2023 11 contributors Feedback In this article Relationship purpose Relationship properties. Data Analysis Expressions (DAX) is a library of functions and operators that can be combined to build formulas and expressions in Power BI, Analysis Services, and Power Pivot in Excel data models. The column 'People [FullName]' either doesn't exist or doesn't have a relationship to any table available in the current context. Tables and columns can be used with DAX Text or String Functions. Learn more about MINX in the following articles: Highlighting the minimum and maximum values in a Power BI matrix. Ask Question Asked 10 years, 10 months ago. DAX CALENDAR function. A volatile function may return a different result every time you call it, even if you provide the same arguments. DAX Userelationship function. Both RELATED and LOOKUPVALUE are DAX functions that are used in a calculated column when you need to reference a column from another table to return a value that is related and has an exact match to the current row. Interval: How you want the difference to be expressed. When DAX RELATED function performs a lookup, it examines all values in the specified table regardless of any filters that may have been applied. Whenever the function finds no rows to aggregate, the function returns a blank. Any DAX expression that returns a table. As your DAX skills improve, you will create formulas using many different functions. The fifth variance — Filtering columns from two tables. DAX formulas include functions, operators, and values to perform advanced calculations and queries on data in related tables and columns in tabular data models. » Read more. It provides a flexible way to transform and manipulate data within your DAX formulas. A Many-to-many relationship will always be limited, as is a One-to-many relationship. Filled with examples of practical, real-world calculations geared toward business metrics and key performance indicators, this cookbook features solutions that you can apply for your own business analysis needs. Create relationships between the tables using the Power BI relationship view. ADDCOLUMNS. See examples of. Click on data tab > and make relationship based on Product column in both tables. RELATED Function in DAX does not shows me related tables. In USERELATIONSHIP, the status of a relationship is not important; that is, whether the relationship is active or not does not affect the usage of the function. to create the sum of sales, follow the steps given below. Here is a step-by-step guide to help you implement the RELATED DAX function for risk assessment in Power BI: Identify the tables and data sources that contain relevant information for risk assessment. Learn how to work with the RELATED and RELATEDTABLE function in DAXLearn SUMX - - - - My Courses - - - - ️ Maste. The LOOKUPVALUE function retrieves the two values, Campaign and Media. In Power BI Desktop model view, it's not always possible to determine whether a model relationship is regular or limited. This article shows how to use DAX and conditional formatting together to highlight the minimum and maximum values in a matrix in Power BI. . Date and time functions help creating calculations based on dates and time. This can save a lot of time when writing DAX formulas. It operates on a column and returns a single scalar value as the sum of all the values in that column. As soon as one value matches, the corresponding result is returned, and other subsequent values aren’t evaluated. The RELATED function is a powerful feature of DAX that allows users to retrieve data from related tables based on established relationships. Hey, there are two functions I would start with. A volatile function may return a different result every time you call it, even if you provide the same arguments. Start by importing the necessary data tables into Power BI. The use of this parameter is not recommended. DAX — Chapter 18. RELATED DAX FUNCTION First, we will be looking at the RELATED function, which requires a column name as an input and returns a related value from. read more.