smileyboy2019 opened a new issue, #90: URL: https://github.com/apache/arrow-java/issues/90
### 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 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@arrow.apache.org.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
