https://docs.oracle.com/en/database/oracle/oracle-database/26/odpnt/DataReaderGetXmlReader.html
GetXmlReader
https://www.ibm.com/docs/en/db2/12.1.x?topic=m-getxmlreader-1
DB2Record.GetXmlReader Method
Returns an XmlReader from a character, binary, or DB2Type.XML column.
method