How to fix the Oracle error ORA-19254: XQST0034 – too many declarations for function string?

In this post, you’ll learn more about the Oracle ErrorORA-19254: XQST0034 – too many declarations for function string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19254: XQST0034 – too many declarations for function string

Reason for the Error ORA-19254: XQST0034 – too many declarations for function string

The query module contained more than one function, either declared or imported, which have the same expanded QName.

How to fix the Error ORA-19254: XQST0034 – too many declarations for function string ?

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

Remove the duplicate function definitions.