In this post, you’ll learn more about the Oracle ErrorORA-19212: no key columns specified before call to DBMS_XMLSTORE.updateXML() with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-19212: no key columns specified before call to DBMS_XMLSTORE.updateXML()
Reason for the Error ORA-19212: no key columns specified before call to DBMS_XMLSTORE.updateXML()
No columns were specified as key columns before the call to DBMS_XMLSTORE.updateXML.
How to fix the Error ORA-19212: no key columns specified before call to DBMS_XMLSTORE.updateXML() ?
You can fix this error in Oracle by following the below steps
Use DBMS_XMLSTORE.setKeyColumn() to specify key columns