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Editorial Team
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Asked: 2026-05-18T07:26:29+00:00

How can I get oracle XMLElement to JDBC? java.sql.Statement st = connection.createStatement(); // works

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How can I get oracle XMLElement to JDBC?

java.sql.Statement st = connection.createStatement(); // works
oracle.jdbc.OracleResultSet rs = st.execute("SELECT XMLElement("name") FROM dual");
rs.getString(1); // returns null, why?
oracle.sql.OPAQUE = (OPAQUE) rs.getObject(1); // this works, but wtf is OPAQUE ?

Basically, I want to read String like <name> </name> or whatever XML formatted output. But I always fail to cast output to anything reasonable. Only weird oracle.sql.OPAQUE works, but I totally dont know what to do with that. Even toString() is not overriden!

Any ideas? How to read Oracle’s (I am using Oracle 10.0.2) XMLElement (XMLType) ?

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1 Answer

  1. Editorial Team

    You can’t.
    Oracle’s JDBC driver does not support the JDBC XML type properly.

    The only thing you can do, is to convert the XML as part of the query:

    SELECT to_clob(XMLElement("name")) from dual

    Then you can retrieve the XML using getString()

    alternatively you can also use XMLElement("name").getClobVal(), but again this is part of your query and it can be accessed as a String from within your Java class

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