ETL join is matching multiple values - not exact matches

ezmac13
ezmac13 Member
in Magic ETL

I am joining two datasets and the result is matching multiple values from the second data set to a single value in the first data set. Is it possible to have the join only match exact values?

Example:

Data Set 1

image.png

Data Set 2

image.png

Join result

image.png

Join = Left Outer

  • Left Table = Data Set 1
  • Right Table = Data Set 2
  • Matching Column = ID
  • Renaming second ID column

Answers

  • MarkSnodgrass
    MarkSnodgrass Coach

    I have not seen that happen before. In fact, the Magic ETL joins tend to be very exact, including be case-sensitive. I would try making a new ETL and trying to do the join again.

    Also, to be clear, LEFT JOIN will include all records from the left table and any matching entries from the right table. INNER JOIN will only include records where there is a match in both tables.

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  • ezmac13
    ezmac13 Member

    Thanks Mark.

    I do want all data from the left table and to only provide exact matching data from the right table so the left join is correct in my situation. I will create a copy and test.

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