Hi, I have concatenated CSV files thanks to script I have found in a discussion. There is to table result that I would like to join. The first table is a 19 779 lines and 34 columns data table. The second table is a 1 972 100 lines and 8 columns data table. The comon column is the "NumeroCourbe". I would like to get the 34 columns of the firts file joined to the 8 columns of the second file. But the data table result is empty. What can be the reason?
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