Thanks for writing the user’s manual for DAX Studio. Moreover, changing the selection of a slicer also generates new queries. At the top of DAX Studio, change the default output (shown as 1 below) to Excel Static (2 below). I am using 2016 Excel. Is that something possible in DAX Studio? DAX Studio is a fabulous free tool that allows you to directly query your Power Pivot/Power BI data models. Now I just have to figure out why List Measures is not working for me. 4 Example of a query in DAX Studio. Tabular Databases started in SQL Server 2008 R2 and now … This is because I also happen to have Power BI Desktop running with that file open. However, Power BI also uses a cache system to avoid sending the same DAX query multiple times. When dealing with performance issues in Power BI, it is useful to understand whether the problem is caused by the DAX code in the data model, or by the number and/or complexity of the visuals included in a report page. I know Imke has such a solution, but I haven’t had the time to look at it. https://daxstudio.codeplex.com/wikipage?title=Single%20Installer, You can install it on any PC that has the required software installed. Hopefully this will help others. Are you using the latest version of Dax Studio? You can use this fact to your advantage to help you debug measures that contain tables as part of the formula (which is hard to do in a measure/pivot table). I am using DAX Studio 2.8.1. Can you tell me how you got your model into excel to be able to dump it as a table? CSV export is fine but the Excel option doesn’t show the dialog box for Linked Excel or Static…? TestTable[ExistingNumberColumn]*10 The default setting at the top allows you to insert a TABLE instead of a Pivot Table. Note that the address changes every time you launch Power BI Desktop (no doubt deliberately so, otherwise no one would purchase SSAS Tabular). Thanks very much. Phew. For example, consider the following report that is made up of a single page. Great article! I’ve learned something with the last section: “Use your Power BI Desktop Model as a SSAS Server”. Disclaimer: DAX Studio is an incredible (and completely FREE) tool that significantly improves the developer experience when writing and performance tuning DAX code. Thanks! You can hide it from client tools if you want, but it will still be visible to DAX Studio. Here’s how I made it work: Best learning resource for DAX with Excel 2016. Fantastic effort demystifying DAX Studio and now forcing me to request an approval from my IT security team. Then once you connect to Power BI Desktop with DAX Studio, you will notice in the bottom right hand corner of DAX Studio some information that tells you the address of the SSAS server instance created by Power BI Desktop. Note I have added the MonthNumberOfYear to the SUMMARIZE function too (a requirement if you want to use the column in the ORDER BY clause). Does this error occur as soon as you go to the menu? DATESBETWEEN ( ‘Date'[Date]; MAX ( ‘Date'[Date] ) – 89; MAX ( ‘Date'[Date] ) ))), and I want to see the real result of FILTER(), taking into account the current evaluation context. The was we use OLAP Tools for Pivot Table and convert to formulas. Second question is about optimisation. A PDF printable version would be amazing! 3. There is a lot to DAX Studio, but let me call out a few things in the UI to get you started (Referring to the image below). “Supercharge Power BI Online Training” course is a combination of: Hi Matt, I just purchased your book “Supercharge Power BI” on Amazon. Weekly video based training with examples and demos to support the complex topics in the book. Open PBIX I am interested in learning more about your “Move your query to excel” section. Bam – your thin Excel workbook is working against the new instance of Power BI Desktop SSAS. The first thing I am going to cover is how to extract a list of measures from your workbook. Hi Matt, I have not been able to figure the List Measures issue out yet, but was able to resolve the issue with PP Utilities tab disappearing from the Excel 2016 Ribbon in Windows 10. Subscribe to the newsletter and you will receive an update whenever a new article is posted. Ideally what I would like to do for debugging purposes is to show, for instance, what the result of a FILTER operation is in the middle of a DAX expression. This is a good time to look at the performance measure capabilities of DAX studio. In this case, the slowest query is caused by an issue in the Customers measure, which is the only measure used in the query highlighted in yellow in the previous screenshot. I first tried the suggestion to unblock the ZIP file, but that was a no go. Matt shares lots of free content on this website every week. Lora, I think it may have changed over the years. Marco is a business intelligence consultant and mentor. The latest version of DAX Studio can be downloaded here. I haven’t see that before. Save my name, email, and website in this browser for the next time I comment. There ya go. Once the file is ready, close Power BI Desktop. Now you know how to connect DAX Studio to your data models, it is time to look at what you can do (I will be using Excel as my source). The query editor pane is where you enter the queries that you want DAX Studio to execute. Nor have I been asked to write this blog about it. The visuals and explanations are amazing. can you describe the steps you were following to get to this point? *Note, this table is not produced in PowerQuery, DATESBETWEEN returns a table, so yes you should be able to return a table in DAX studio. However, if you are going to run a lot of ad-hoc DAX queries and test DAX calculations and expressions, then I suggest you install and use DAX Studio since it offers more DAX … You can also add an ORDER BY clause to force the sort order of your output as shown below. I believe this can be done with this tool https://www.sqlbi.com/tools/tabular-editor/ although I have never tried it. I used PQ to cleanse and summarize a dataset which was subsequently loaded to an Excel file’s Data Model where I have built my power pivot tables. Hi Al. This makes it a lot easier to work out what you are doing, work out what is wrong, and hence solve problems you are having when writing formulas. While you could write your queries to CSV files or Excel before, this feature allows you to export the whole data model at once to CSV files or — and … Continue reading "Exporting all data from a Power BI data model" Maybe something has changed with PPU. Keep in mind, the order of the queries for the same report might be different from one execution to the next – especially if the Duration changes. Switch to the All Queries result pane. Very useful article. This is the run button to execute your query (you can also press F5). The result in the workbook will be the same as the result returned in the Grid. If there is a significant discrepancy between the sum of all DAX queries durations and the amount of time required to refresh the visuals in the report, that might be due to the number and complexity of the visuals included in a single page. 2. You must have both Power Pivot Utilities and DAX Studio installed for this to work. I am not familiar with these. So are you saying you want to be able to load the results of a DAX query in Excel, add some data in a new column and then load the new column back into power pivot? Using SUMMARIZE to group or aggregate DAX query data (this blog) Filtering in DAX queries using CALCULATETABLE or FILTER; Adding columns in a DAX query using ADDCOLUMNS ; Combining the results of two or more tables; Other useful DAX functions; This blog is part of our online SSAS Tabular tutorial; we also offer lots of other Analysis Services training resources. I’m glad you asked – lots of things – much more than I will cover here today. The time required to refresh the Power BI page examined so far is now mainly impacted by the number of visuals displayed in the same page. Weekly live screen sharing Q&A sessions with me, Matt Allington. I downloaded and installed both Dax and PP Utilities, however I am not able to reproduce Steps 2 and 3 in order to obtain the List Measures. Click “List Measures” (shown as 2 above), you will get this. I really glad this would be useful. I haven’t been able to figure out way to dynamically generate the values of a field from your data model table to be independent fields in a DAX query (so you could have a table that could have a new column added for user response). There is a lot more information provided in the output than you are likely to need. It would be interesting to see how far this option could be pushed (maybe with VBA) to make a true Core/Thin workbook solution. That would save a lot of tedious work of creating each one and cut-n-pasting the expressions. This topic (optimising your DAX) is a massive topic in its own right and is not covered in this post. where MEASURE_AGGREGATOR = 0 But here are a few things that you can do that are really useful. I will update my original blog article to make this clear and also advise Bertrand. Watch this measure from Gerhard Brueckl’s brilliant solution for dynamic TopN clustering with others. There should be an empty list at this time. In other programming languages you could assign those to a variable at the precise moment of interest in and check it later. I will keep trying, but if you have another suggestion I will greatly appreciate it. Then when you click on Run, you will get the file save dialog. You can’t access an Excel data model from another Excel file. Then why not go one step further. Querying a SSAS Tabular model database in this article will perform in SSMS, within the MDX query window, as shown in the picture: Note: Don’t get confused with DAX code presence in a MDX query – both of them, DAX and MDX, can query a Tab… You will be prompted like shown below. Take a read of this article and see if it resolves this for you. The results will appear beneath it. Now it is a query language used in Tabular Databases. When a measure (eg in a pivot table) is really slow, you can run the measure in DAX studio and use the server timing tools to see how Power Pivot is interpreting your formula. What is the issue? The design requires you to group by at least A.Key0 and A.Key1 if you want to group by any of the three columns. 6. Is it possible that I can use a separate Excel file to build power pivot tables based on this Data Model? He first started working on Analysis Services in 1998, back when Analysis Services was known as OLAP Services. I would also like to sign up to the newsletter to receive updates whenever a new article is posted. The books “Supercharge Power BI” and “Supercharge Excel” are written in the same style and will help anyone wanting to become a Power Pivot or Power BI ninja make rapid progress on their journey. Just accept the defaults and click OK. Moreover, one or more EVALUATE statements can be preceded by special definitions like local tables, columns, measures and variables that have the scope of the entire batch of EVALUATE statements executed together. Who Needs Power Pivot, Power Query and Power BI Anyway? What is the best way to develope complex Dax measures? Below I extract a list of all Products that have a list price of $1,000 or more. When the report is opened, the DAX queries are immediately generated and sent to the engine. Build your own universe with Daz Studio, the free 3D software. Keeping Power BI Desktop open with the empty page selected, open DAX Studio and select the PBI / SSDT Model that is open. You can still do it semi manually. This is the case for query #1 and that will indeed be the fastest query in your case (ignore all time measurements below ~20 ms - as it's unreliable, because the data sets are so small). https://exceleratorbi.com.au/table-size-from-power-bi-desktop/ It then returns a single row table  with one or more columns (1 column in my case) and then returns the result. If you want to reuse your Excel Workbook that was connected to a previous instance of this temporary SSAS server, simply do the following. And there is a trick to allow you to return a single measure scalar value as a table – more on that later. I’ve been looking for a while for a resource like this. A single MDX attribute can produce several DAX columns, some visible, some not, but you can query them in SSMS regardless whether they are visible or not. Post back if it works for you. Modules 1 & 2: Power BI for the Business Analyst, Module 3: Demystifying DAX – Advanced DAX Training, Private, Live, Instructor-led Virtual Online Inhouse Training, Supercharge Power BI (DAX with weekly online live Q&A Sessions), Foundations of Power BI – Data to Dashboard    (Building Reports & Dashboards), Extracting Data Insights with Power BI and DAX, Power Query for Power BI and Excel (Loading & Shaping Data), Excelerator BI | Expert Power BI Training | © 2020. EVALUATE followed by any table expression returns the result of the table expression. Each of these visuals generates a DAX query, and there are no queries taking more than 20 milliseconds to run. However, DAX is also a querying language that the tabular engine uses to generate data. ADDCOLUMNS ( I feel I am missing a step in between, but not sure what it is. Make sure that you see the message, “Query Trace Started” in the Output pane. , Your email address will not be published. And the same can be done with the FILTER function. I authoring some queries with DAXStudio, all of them Run and Results Ok, I confirm in Output pane, How to “authoring” this queries in PowerBI desktop (commonly I used), some other queries I copy and paste with New Table in PBI desktop, just change the first line [EVALUATE by name of table]… How can I transfer, send to, … DAXStudio to PBI desktop? Yes, this is possible. When you use the VALUES function in a measure in DAX, you normally can’t “see” the output – see how useful this can be to “See” the results of functions? In the example below, I use the VALUES function to extract a list of all the Product Colours from the Products table. However, the last step in the equation for me is to export to a CSV file. ‘Date'[Test] = LEARN MORE. Below is a table showing the summary sales by month (I added a ROUND function too). The empty page should appear in the report. In my sheet below I have only kept columns D and N.  Note how the first 14 rows in my model are not useful, but from row 15 you can see a list of the measures and formulas. When you connect to the power bi it says “the file:\my data sources\localhost_58156 d906e7bd-417f…….model.odc could not be accessed. I am a relative beginner with Power Pivot and I was going through the install process. DAX started as a function language and an extension of Excel in Power Pivot. Hi Mike, thanks for posting this SQL Script. Down the bottom of the page you can change from the list of tables to some of the other tabs including Functions (to help you write DAX) and DMV (Dynamic Management Views). Hi Matt, thank you for a very helpful article! This article displays several basic DAX queries one might use on a Tabular Database instance created in Visual Studio as an Analysis Services Tabular Project Model from the AdventureWorksDW2012 database. MEASURE_NAME, Subscribe to the newsletter and you will receive an update whenever a new article is posted. Power Pivot Utilities uses DAX Studio in the background to extract the measures (and other things) automatically for you, clean up the list and put it in a worksheet which is all nicely formatted – much easier. For documenting measures, I use the following query so I don’t need to clean things up in Excel: Excellent post and by far the best DAX Studio 101 tutorial I have seen – thank you very much. You can run it as a standalone editor and edit queries for a tabular mode database, or you can use it as an Excel Add-In. It is better to clear the cache before running the query when working on performance optimization. This option enables DAX Studio to save the result from the query to Excel. This has been a pain forever! It is likely that you are not licensed to use Power BI Desktop as a server (just a guess). In this article I am going to go deeper and introduce the more common and useful query functions including CROSSJOIN, SUMMARIZE and ADDCOLUMNS (there are more functions that I don’t cover in this article). Any idea why my Output in Dax looks different and do you think this is causing the issue with List Measures? Solution. Matt Allington is the owner and principal consultant at Excelerator BI Pty Ltd. Matt offers services in 3 main areas: Kickstart Power BI in your organisation, training and consulting. Your post is very interesting. You can do it when the data model is loaded to PowerBI.com (using Analyze in Excel) and you can also do it from Power BI Desktop using my LocalHost Workbook hack => https://exceleratorbi.com.au/measure-dependencies-power-bi/. https://exceleratorbi.com.au/extract-tabular-data-power-bi-service-excel/ Using DAX Studio as your authoring tool and then copying the query to Excel is a really neat way to get a long list of data into your spreadsheet. I note that there is an option in the “Output” to select All, Standard or Excel. stumbled upon this post when googling a solution for my problem. With our premier Character System and smart content, you can mix, match, blend, and build the perfect character and scene. So if the parameters are loaded in Power Query but not Power Pivot, then you can’t access them. Once you run the query again (press F5) the results get sent to your Excel Workbook. You can see that the Start button is not an available option, indicating that the trace is already running. Hey All, Lately, I have started to use Dax Studio. The codeplex project DAX Studio provides a terrific DAX editor with dual functionality. You can change the default output from the output pane (4) to various other alternatives including Excel or a file (CSV or TXT). may be able to help. When investigating the aggregation details you can see it is missing an aggregation for the DiscountAmount column. Matt… The Data Analysis Expressions (DAX) language is commonly used to define measures and calculated columns in PowerPivot and in tabular models. You can refresh the table by right clicking the table and then select “Refresh”. I never got it fixed and then forgot about it. Relationships in Power BI and Power Pivot. 1. If you haven't already, be sure to checkout DAX overview. You should add the SQL to your post to make it easier to find. Thank you. Where ever possible, you want your DAX formulas to use the storage engine in preference over the formula engine. When you write a measure that contains a table function in DAX, you can’t actually “see” the table to check if it is returning the table you expect. When you open Power BI Desktop, you will not find a button to launch DAX Studio like you do in Excel. NB: Note above how there is an option to connect to Power BI Designer (now called Power BI Desktop) to a file called “Test”. Further improvements to the DAX measures are no longer possible – the only possible optimization left would be to reduce the number of visuals in the DAX page, thus generating a smaller number of DAX queries. So it is kinda like Front End: Excel, Back End: Another Excel’s Data Model created by the PQ? SSAS Basic Data Analysis Expression Queries . or I need visual on?…thanks for your help. When using DAX to retrieve tabular data, your entire statement is founded on the evaluate clause. 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