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  1. #1
    Join Date
    Nov 2015

    Unanswered: SQL statement to the combined relationship database tables from different manufacture

    I question whether using JPA, you can connect to the database two different manufacturers, for instance MySQL, MS SQL or Oracle, SQL queries asking for the combined relationship tables from both databases.

    As can be realized in Java?

  2. #2
    Join Date
    Dec 2007
    Richmond, VA
    Provided Answers: 5
    Not directly. There are some third party tools out there like DB2's federated server. That make it look like they are in one location and queries the other source in the background.

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