How to fix the Oracle error ORA-32346: ON COMMIT materialized view refresh caused changes to the master table/materialized view?

In this post, you’ll learn more about the Oracle ErrorORA-32346: ON COMMIT materialized view refresh caused changes to the master table/materialized view with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-32346: ON COMMIT materialized view refresh caused changes to the master table/materialized view

Reason for the Error ORA-32346: ON COMMIT materialized view refresh caused changes to the master table/materialized view

ON COMMIT refresh of a read-only materialized view changed the master table/materialized view. A trigger on the refreshed materialized view may be the cause.

How to fix the Error ORA-32346: ON COMMIT materialized view refresh caused changes to the master table/materialized view ?

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

Do not create triggers on materialized view which update the master table/materialized view.