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It's in the .nb, look at PDS001.nb, that was the first week. Here they are: in AWS data registry: https://registry.opendata.aws/deutsche-boerse-pds/ documentation: https://github.com/Deutsche-Boerse/dbg-pds so for example ...
It works!! Not perfectly, but the fact that it works at all -- indeed, pretty well at first glance -- is amazing. I believe this is a major development for the Wolfram Language. Yes, the Jupyter frontend is way less sophisticated than the Mathematica...
You may find the Wolfram-U material available via the following links helpful. [Advanced programming][1] [Parallel computing][2] [1]: https://www.wolfram.com/wolfram-u/advanced-programming/ [2]:...
The problem turns out to to be related to how did I entered those two command. If I entered by hand, no problem. If I loaded them from a .m file (clicking the .m file to start MATHEMATICA) there is a problem. Could anyone explain the problem?
You would not believe how long I looked for the problem and never found it. Thanks a bunch.
Thank You again to all participants for their contributions. After some trials I have found an efficient way to insert the big csv file in MongoDB via mongoimport. The already above mentioned reference page is excellent to get all needed...
Great! Thank you very much
Meantime it was possible for me to repair the file with help of article [http://support.wolfram.com/kb/12423][1]. So, it's not longer an issue for me. [1]: http://support.wolfram.com/kb/12423