How to fix the Oracle error ORA-12026: invalid filter column detected?

In this post, you’ll learn more about the Oracle ErrorORA-12026: invalid filter column detected with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12026: invalid filter column detected

Reason for the Error ORA-12026: invalid filter column detected

One or more of the specified filter columns did not exist or was a primary key column or a primary key based object identifier.

How to fix the Error ORA-12026: invalid filter column detected ?

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

Ensure that all specified filter columns exist in the master table and ensure that primary key columns or primary key based object identifiers are not included in the list of filter columns.