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Join operator is not showing possible key attributes

Gabriel_RibeiroGabriel_Ribeiro Member Posts: 1 Newbie
I uploaded two access datasets by operator Read Access. I'm trying to do an integration between these datasets but the Join operator is not showing the possible key attributes.
Any tip what's going on?

Tks in advance

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    MartinLiebigMartinLiebig Administrator, Moderator, Employee, RapidMiner Certified Analyst, RapidMiner Certified Expert, University Professor Posts: 3,524 RM Data Scientist
    Hi,
    if you know the names you can just type in the column and it will work. I would recommend to store the result of read access and then use the stored version for building the analysis.

    BR,
    Martin
    - Sr. Director Data Solutions, Altair RapidMiner -
    Dortmund, Germany
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