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Priyanjay Singh Parihar
Beginner

How do multiple files work in Excel or file reader ?

What happens when uploading multiple files in Excel or a file reader?

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1 Answer

  1. The data is unioned when using Excel or File Reader with multiple files. The following conditions must match in case of a union of data, or else an error might occur :

    1. Number of columns: The number of columns in each file must be the same.
    2. Column order/name/datatype : The column order/name must be the same in both files. Datatypes must also match for columns.