How to fix the Oracle error ORA-25953: join index cannot be a functional index?

In this post, you’ll learn more about the Oracle ErrorORA-25953: join index cannot be a functional index with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-25953: join index cannot be a functional index

Reason for the Error ORA-25953: join index cannot be a functional index

An attempt to create a join index was made, which failed because a functional index was requested or necessary (such as is the case for indexing columns using timezone).

How to fix the Error ORA-25953: join index cannot be a functional index ?

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

Remove any functional indexing columns.