How to fix the Oracle error ORA-25956: join index cannot be created on tables owned by SYS?

In this post, you’ll learn more about the Oracle ErrorORA-25956: join index cannot be created on tables owned by SYS with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-25956: join index cannot be created on tables owned by SYS

Reason for the Error ORA-25956: join index cannot be created on tables owned by SYS

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

How to fix the Error ORA-25956: join index cannot be created on tables owned by SYS ?

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

Ensure that no join index related table is owned by SYS.