How to fix the Oracle error ORA-25960: join index cannot be based on a temporary table?

In this post, you’ll learn more about the Oracle ErrorORA-25960: join index cannot be based on a temporary table with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-25960: join index cannot be based on a temporary table

Reason for the Error ORA-25960: join index cannot be based on a temporary table

An attempt to create a join index was made, which failed because one of the tables was temporary.

How to fix the Error ORA-25960: join index cannot be based on a temporary table ?

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

Ensure no underlying tables are temporary.