How to fix the Oracle error ORA-19020: invalid dereference of XMLType columns?

In this post, you’ll learn more about the Oracle ErrorORA-19020: invalid dereference of XMLType columns with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19020: invalid dereference of XMLType columns

Reason for the Error ORA-19020: invalid dereference of XMLType columns

An attempt was made to dereference the attributes of an XMLType column which is not part of a base table

How to fix the Error ORA-19020: invalid dereference of XMLType columns ?

You can fix this error in Oracle by following the below steps

You can only dereference the attributes of a base table XMLType column