在Power BI Desktop 中,於資料包含 Null 或空白值時建立關聯性 通常,資料集會包含具有 Null 或空白值的資料行。 當您嘗試使用關聯性時,這會造成問題。 基本上有兩個選項可解決問題。 您可以移除具有 Null 或空白值的資料列。 您可以在 Power Query 編輯器中使用 [篩選] 功能來執行這項操作,或者如果您...
Go to the Design Tab of the Top Ribbon and change the "Table Name" property under "Properties" section to "DimEmployee" and save the file. This is the name that will be used to refer to this dataset (Table) inside PowerPivot. Now switch to PowerPivot Tab in the Top Ribbon and click ...
Any transformation you do on this newly created table will be run on the data that already resides in Power BI dataflow storage. That means that the query won't run against the external data source from which the data was imported (for example, the SQL database from which the data was ...
Any transformation you do on this newly created table will be run on the data that already resides in Power BI dataflow storage. That means that the query won't run against the external data source from which the data was imported (for example, the SQL database from which the data was ...
Table 1 contains sales data on 'Financial year to date last year' (FYTD LY) Table 2 contains sales data on 'Full financial year last year' (FULL FY LY) Using Power Query: I want to append these tables into one table, with a column indicating which of the two tables the data came ...
If you want to reuse a table across multiple dataflows, such as a date table or a static lookup table, you should create a table once and then reference it across the other dataflows. If you want to avoid creating multiple refreshes to a data source, it's better to use linked tables ...
larger and faster, compared to using all kinds of functions to determine date-related information in every single query. Twenty or thirty years of dates stored in a table takes a few MBs at most, even less with compression, and if you use them often enough, they'll always be in memory....
I believe the path is to create a custom function. I have tried following these steps in the "Custom Function Example": https://docs.microsoft.com/en-us/power-query/custom-function However, in my case I will use a Page from my source table instead of a binary l...
I believe the path is to create a custom function. I have tried following these steps in the "Custom Function Example": https://docs.microsoft.com/en-us/power-query/custom-function However, in my case I will use a Page from my source table instead of a binary like the example...
Step 3: Marking the Date Table In this step, you'll inform the model about your date table. Follow these steps; 1.Select Date table. 2.SelectMark as Date Tableand then clickMark as Date Table. This action will open a screen.