Power BI 中的 DAX 简介 - Introduction to DAX in Power BI 2023-11共计4条视频,包括:ch1_1_ok、ch1_2_ok、ch2_1_ok等,UP主更多精彩视频,请关注UP账号。
It's easy to create a new Power BI Desktop file and import some data into it. You can even create reports that show valuable insights without using any DAX formulas at all. But what if you need to analyze growth percentage across product categories and for different date ranges? Or you n...
Learn about what is Power BI dashboard, how to create a dashboard in Power BI, Why use Power BI, advantages, applications, and Power BI dashboard vs results.
单列汇总函数(如 SUM)是速记函数。 在内部,Microsoft Power BI 将 SUM 函数转换为 SUMX。 因此,以下两个度量值定义将生成具有相同性能的结果。DAX 复制 Revenue = SUM(Sales[Sales Amount]) DAX 复制 Revenue = SUMX( Sales, Sales[Sales Amount] ) 了解上下文如何与迭代器函数一起使用非常重要。 由于迭代...
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Introduction to Data Modeling for Power BIis an introductory video course about data modeling, which is a required skill to get the best out of Power BI, Power Pivot for Excel, and Analysis Services. The training is aimed at users that do not have a background knowledge in data modeling fo...
Power Query is afree Excel add-inthat is sort of a “self-service ETL tool”. According to theOffice Help pages: “Microsoft Power Query for Excel enhances self-service business intelligence (BI) for Excel with an intuitive and consistent experience for discovering, combining, and refining data...
Now that you have a thorough grounding in calculated columns, it is time to boost your DAX abilities by getting to grips with measures in DAX. Measures are a second - and arguably far more powerful - way of applying calculations in Power BI. They are, however, very different in their ...
In fact, whenever we wrote a book, we had to carefully allocate space ... Get The Definitive Guide to DAX: Business intelligence with Microsoft Excel, SQL Server Analysis Services, and Power BI now with the O’Reilly learning platform. O’Reilly members experience books, live events, courses...
implementation in actual. There is an option in Power BI, where we can see the reports from the context of the roles that we just created. This will help us test if the DAX filter expressions are working as expected, and if the row-level security in Power BI can be implemented ...