End-to-End DAX Tutorial | Power Bi | COALESCE function | KSR Datavizon | DAX Studio

The #COALESCE function in DAX (Data Analysis Expressions) is used to return the first non-blank value in a list of expressions. It takes multiple expressions as arguments and evaluates them in order from left to right, returning the first expression that is not blank or empty.
The syntax of the COALESCE function is as follows:
COALESCE(expression1, expression2, ...)
Suppose you have a table called "Sales" with columns "Region", "Sales1", and "Sales2". You want to create a new column called "Total Sales" that adds up the sales from both columns, but you want to use the non-blank value from either "Sales1" or "Sales2" if one of them is blank.
Here's how you can do it using the COALESCE function:
Total Sales = COALESCE(Sales[Sales1], Sales[Sales2])
In this example, the COALESCE function will evaluate the expression Sales[Sales1] first, and if it is not blank, it will return that value. Otherwise, it will evaluate the expression Sales[Sales2] and return that value if it is not blank. If both expressions are blank, the COALESCE function will return a blank value.
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[@user-od5fq9kq8e]

Nicely Explained

[@4nxh___]

Well articulated.

[@venky6176]

Excellent explanation

[@biswadeepsahoo]

Good explanation

[@dilipinamdar5523]

Nice One!!!

[@abchj123]

Power bi videos will come up with kannada language its very useful sir.

[@KSRDatavizon]

We will try, please subscribe our channel,

[@rrr9110]

please confirm if the blank values is replaced by 0 in query editor, will coalesce function is required in that scenario?

[@srinup-tg6nv]

you can do that way as well

[@KSRDatavizon]

yes you can

[@prudhviraj78]

👏🏻👏🏻👏🏻 nice explanation ma’am

[@KSRDatavizon]

Thanks a lot 😊

[@jacejohnson2349]

I love using COALESCE in most of my measures. Especially when I'm displaying those measures in a card visual. However, when I display these measures in a matrix or table, it doesn't seem to let me filter rows out that shouldn't be there.
For example, I have a table that displays all the communities in all of our multiple real estate portfolios. When I filter on portfolio, it should remove many communities that don't belong to that portfolio. But, because of me using COALESCE, it still leaves them on the table but just zero's out all of the measures. Any solution to this?

[@KSRDatavizon]

Thank you for sharing your experience with using COALESCE in your measures. It's great to hear how you're utilizing it in different visuals and scenarios.

[@01Ashish01]

next video

[@KSRDatavizon]

will upload soon , please subscribe our channel for regular updates.