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DataGuy2016's avatar
DataGuy2016
Advocate IV
9 years ago
Solved

Table Merge creates duplicate records

Hi Folks,   I am stumped.   I am trying to merge two tables into a new table using a LEFT JOIN.  Both tables have unique records on each row.  When I join the tables, BI creates duplicate rows on...
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  • DataGuy2016's avatar
    DataGuy2016
    9 years ago

    The problem lay with the Data.

     

    The LEFT JOIN functionality of PowerBI works perfectly.

gpfox's avatar
gpfox
Frequent Visitor
5 years ago

I had same problem. I was joining Table A with Table B on 2 columns, that were numbers but marked as Text type.  I changed the type of these columns I was joining on in both tables to Whole number type. Then the Left Join worked and the duplicates went away!