How to fix the Oracle error ORA-40289: duplicate attributes provided for data mining function?

In this post, you’ll learn more about the Oracle ErrorORA-40289: duplicate attributes provided for data mining function with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-40289: duplicate attributes provided for data mining function

Reason for the Error ORA-40289: duplicate attributes provided for data mining function

A duplicate, non-nested attribute was provided as input to the data mining function. A duplicate attribute is one which is present in the model signature, occurs more than once in the USING clause after tablename expansion, and is not a collection element in a nested table column.

How to fix the Error ORA-40289: duplicate attributes provided for data mining function ?

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

Eliminate the duplicate attribute(s).