How to fix the Oracle error ORA-19259: XQST0039 – duplicate parameter name string in function declaration?

In this post, you’ll learn more about the Oracle ErrorORA-19259: XQST0039 – duplicate parameter name string in function declaration with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19259: XQST0039 – duplicate parameter name string in function declaration

Reason for the Error ORA-19259: XQST0039 – duplicate parameter name string in function declaration

The function declaration contained more than one parameter with the same name.

How to fix the Error ORA-19259: XQST0039 – duplicate parameter name string in function declaration ?

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

Fix the function declaration to remove the duplicate parameters.