We have Union data sources created using .csv files and then the data source is published to Tableau Online. Please share your thoughts on how to refresh this union data source through command line?
Please take a look at this thread: Is it possible to include dynamic list of Excel files as data sources? If now, what would you do to include data from it? The Tableau Data Extract Command-Line Utility should be able to help.
Best of luck!
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Retrieving data ...