How to fix the Oracle error ORA-02471: SYSDATE, UID, USER, ROWNUM, or LEVEL incorrectly used in hash expre\ssion.?

In this post, you’ll learn more about the Oracle ErrorORA-02471: SYSDATE, UID, USER, ROWNUM, or LEVEL incorrectly used in hash expre\ssion. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-02471: SYSDATE, UID, USER, ROWNUM, or LEVEL incorrectly used in hash expre\ssion.

Reason for the Error ORA-02471: SYSDATE, UID, USER, ROWNUM, or LEVEL incorrectly used in hash expre\ssion.

SYSDATE, UID, USER, ROWNUM, or LEVEL are not allowed in hash expression\s.

How to fix the Error ORA-02471: SYSDATE, UID, USER, ROWNUM, or LEVEL incorrectly used in hash expre\ssion. ?

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

Recreate the cluster and remove the offending keywords.