How to fix the Oracle error ORA-18150: SQL input value cannot be modified in updating expression?

In this post, you’ll learn more about the Oracle ErrorORA-18150: SQL input value cannot be modified in updating expression with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-18150: SQL input value cannot be modified in updating expression

Reason for the Error ORA-18150: SQL input value cannot be modified in updating expression

Updating expression was specified as top-level XMLQuery expression.

How to fix the Error ORA-18150: SQL input value cannot be modified in updating expression ?

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

Use XQuery TRANSFORM expression to copy input value and modify it.