How to fix the Oracle error ORA-38499: expression set already configured for stored/indexed attributes?

In this post, you’ll learn more about the Oracle ErrorORA-38499: expression set already configured for stored/indexed attributes with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-38499: expression set already configured for stored/indexed attributes

Reason for the Error ORA-38499: expression set already configured for stored/indexed attributes

The expression set already had a list of stored and indexed attributes. Additional attributes cannot be specified in the CREATE INDEX parameters clause.

How to fix the Error ORA-38499: expression set already configured for stored/indexed attributes ?

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

Remove TOP, STOREATTRS and INDEXATTRS clauses from the parameters clause or clear the expression set statistics using DBMS_EXPFIL.INDEX_PARAMETERS API.