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Table merge working weird


I'm struggling to make sense of what is going on here. I have a table with a number of individuals listed by nationality, and I have merged it to a table with a list of countries and relevant continent, in order to have - in addition to the nationality of the individuals in the first table - also their continent. For some reason, even though Romania is correctly indicated as being in Europe in the table with countries and continents, when I merge the tables, half of the Romanian individuals end up being in Europe, and the other half in Africa. Any clue what I am doing wrong?

Cheers!Screenshot 2 PBI.pngScreenshot 1 PBI.png

Solution Sage
Solution Sage

Hi @Maradam , Can you provide some details on how you are doing the merge? Are you doing it in Power Query? What table columns are you using for the merge and what type of join?


From what I can tell it should be a simple Left Join using the country columns from both tables. 

Hi, yes, it's a Left Outer join between the "Nazionalità" column in picture 1 and the "Country or Area" column in picture 2, with fuzzy correspondence to account for case sensitivity. 

Are you able to share an example file with any sensitive data removed?

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