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Hi,
I have three tables: A,B,C.
A has a many-to-one relationship with B.
B has one-to-many relationship with C.
I need to left join B to A, and left join C to A.
Tables A and C do not have common columns.
I know how to join B to A. But I do not know how to join C to A.
ADDCOLUMNS (
A,
"JoinedB", related (B),
"JoinedC", ?)
Could you please help me?
In SQL the code would be sth like:
Select StockCode, Warehouse
From A as a
Left join B as b on a.StockCode=b.StockCode
Left join C as c on a."StockCode&Warehouse"=C."StockCode&Warehouse".
But in the PowerBi data model I am not allowed to create neither calculated table, nor calculated columns. I must use only existing relationships.
could you pls provide some sample data and expected output?
have you tried to use merge query in PQ
Merge queries overview - Power Query | Microsoft Learn
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