How to resolve ORA-02003 Error Message in Oracle database

Learn the cause and how to resolve the ORA-02003 error message in Oracle.


When you come upon an ORA-02003 error, the following error message will appear:

ORA-02003: invalid USERENV parameter


You tried to name the USERENV function, however distinctive an invalid parameter.


The option(s) to resolve this Oracle error are:

Option #1

Specify a legitimate USERENV parameter. The following are the viable values for the USERENV parameter:

Parameter Explanation CLIENT_INFO Returns person session information saved the use of the DBMS_APPLICATION_INFO package ENTRYID Available auditing entry identifier INSTANCE The identifier quantity of the modern-day instance ISDBA Returns TRUE if the person has DBA privileges. Otherwise, it will return FALSE. LANG The ISO abbreviation for the language LANGUAGE The language, territory, and character of the session. In the following format: language_territory.characterset SESSIONID The identifier of the auditing session TERMINAL The OS identifier of the present day session

Although the USERENV feature still exists in Oracle for backwards compatibility, it is endorsed that you use the sys_context feature instead.