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Hello everyone,
I have two tables, from different data sources, and I need to match them. There is no simple id match, instead there are multiple fields, and I need to keep only those combinations, which match completely.
Ideally, I want something like this:
But as far as I understand, I cannot make muliple many-to-many relationships between two tables, Power BI says it's ambigious.
Instead, what I can do, is make a table of unique combinations of fields that I need to match, and make a single connection by this field. But it makes my solution slow and big. Something like this:
Is there a way how I can make it option 1, and not option 2? Please help
@AlexeyRusinov wrote:
Hello everyone,
I have two tables, from different data sources, and I need to match them. There is no simple id match, instead there are multiple fields, and I need to keep only those combinations, which match completely.
Ideally, I want something like this:
But as far as I understand, I cannot make muliple many-to-many relationships between two tables, Power BI says it's ambigious.
Instead, what I can do, is make a table of unique combinations of fields that I need to match, and make a single connection by this field. But it makes my solution slow and big. Something like this:
Is there a way how I can make it option 1, and not option 2? Please help
Your understanding is correct, the option 1 is not a correct relationship, not only in Power BI. I don't know what exactly the problem when using Option 2 in your case, however you could also try
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