Hi Giuseppe, I hope that the conversion rules in our documentation give you more insight what’s happening here [1]. Did you try the different alternatives? Cheers, Christian [1] http://docs.basex.org/wiki/CSV_Module Giuseppe Celano <celano@informatik.uni-leipzig.de> schrieb am Di., 7. Aug. 2018, 16:51:

I am importing a csv file having column names with single underscores which are transformed by BaseX into double underscores. Why? Is it possible to keep the original name? Thanks.

Giuseppe