Use a file upload to bring data from a file on your desktop into Datameer X on a one time basis. That data is then stored in HDFS with an explicit path in its configuration. For a specific single file, you can't upload a newer version. If you want to bring in a batch of files or schedule regular imports to update your data, consider using an import job instead.
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The delete feature deletes the file upload in Datameer X but doesn't delete the actual data.
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Datameer X gives you a notice when editing a file upload if a schema change affects a corresponding workbook.
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