Join data table : empty data result. Why?
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...