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Posted to issues@arrow.apache.org by "smileyboy2019 (via GitHub)" <gi...@apache.org> on 2024/05/10 05:30:24 UTC

[I] How to implement cross database queries similar to presto [arrow]

smileyboy2019 opened a new issue, #41613:
URL: https://github.com/apache/arrow/issues/41613

   ### Describe the usage question you have. Please include as many useful details as  possible.
   
   
   The document explanation is not very clear. If I want to cross database query and join two datasets through Arrow, how to do it, how to implement the language layer, Arrow memory format data, how to obtain other services, and through a web server?
   
   ### Component(s)
   
   Java


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