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dogburalHK82
Helper III
Helper III

data does not match

Hi, 

I have a model as uploaded here. https://easyupload.io/t3qpdk 

When I compare two tables, they do not match. 

dogburalHK82_0-1689261195488.png

When I tried with even simpler example where there is a list of supplier name and fact data, they match. 

Once I introduce supplier name, its code and site, they no longer match. 

For supplier, even the same supplier they are assigned with different supplier code, depending on its site.

 

Would you please advise how I can make it right?

 

 

3 REPLIES 3
DaleHohm
Regular Visitor

The typical method of modeling for many to many relationships is to create a bridging table that allows you to place the bridging table in the middle of your current relationship and replace the many to many with a 1 to many relationship between the bridging table and each of your existing tables.

 

Please see here for more background and guidance: Many-to-many relationship guidance - Power BI | Microsoft Learn

 

Dale

dogburalHK82
Helper III
Helper III

@DaleHohm 

 

I have measures calculating scores for each category, incluing Delivery, Quality, Responsiveness and tabularised like below

dogburalHK82_1-1689288435731.png

As I would like to have a table, listing scores per category, first I have created a calculated table like below.

dogburalHK82_2-1689288496470.png

 

Based on this table, I have tabularised like below

dogburalHK82_3-1689288690189.png

I was expecting that when compared two tables, the score should be matched per supplier. But it does not.

 

 

dogburalHK82_0-1689288285860.png

 

I do see many to many relationship. It is due to supplier list, having the same name but multiple supplier code. 

Not sure how I can avoid this many to many relationship. 

 

DaleHohm
Regular Visitor

You don't really supply enough information to understand the problem you are having.  What, specifically is not matching?  Try explaining:  1) I did this, 2) I expected this, 3) but I got this instead

 

That said, I'll guess it is a data modeling issue.  In particular, you have a many to many relationship in your model that is likely the cause of your trouble.

 

Dale

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