How to fix the Oracle error ORA-25961: join index prevents dml cascade constraint operation?

In this post, you’ll learn more about the Oracle ErrorORA-25961: join index prevents dml cascade constraint operation with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-25961: join index prevents dml cascade constraint operation

Reason for the Error ORA-25961: join index prevents dml cascade constraint operation

An attempt to execute dml resulted in the need to perform dml on another table because of a cascade constraint. The join index only allows one of its underlying tables to me modified at a time.

How to fix the Error ORA-25961: join index prevents dml cascade constraint operation ?

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

Drop the join index or remove the constraint.