How to use ALL Dax Function in Power BI | Power BI DAX Tutorial Series| Interview question
This Power BI tutorial describes How to use ALL Dax Function in detailed manner .We have tried explaining all dax function in power bi with step by step easy examples.
Step 1: Usage of ALL DAX : It clears all applied filters in power bi primarily from a table /Column.
Step 2:Lets see the syntax: ALL ({table or column, [column], [column] …})
Step 3: Lets us consider the example where i use the Financial Excel file to demonstrate the results to you .Over here lets drag and drop the Country and Sales Column in the Visual .
Also we have given two outer Slicers of Country and Year and now wish to calculate the total for all Counties combined in each row .To accomplish this we need to ignore the filter context inside the visual that comes for each county. Hence we use the ALL function and provide the country column inside this as shown below .This ignores all the filters (visual level as well as slicer level)
ALL Sales =
CALCULATE(
SUM(financials[ Sales]),
All(financials[Country])
)
Step 4 :
It can be used to calculate the percentage sales as shown below:
Sales % =
CALCULATE(
sum(financials[ Sales])/
financials[ALL Sales]
)
Step 5 : It can also be used to create tables as shown below.
Now lets take a look at all dax guide:
Important Interview Question : Does ALL ignores or respect Page Level Filter ?
Answer: ALL is very powerful DAX Function in Power BI. Even if you apply a page level Filter ALL ignores it.
Simple .Isn't it ?
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Chapters:
0:12 :Introducing ALL DAX Function in Power BI
0:45 Explanation with Example 1
1:44 How to get Total Sales row wise
2:52 How to calculate % Sales using ALL Dax Function in Power BI
4:48 Power bi interview question
5:50 Explanation with Example 2
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