How to fix the Oracle error ORA-30502: system triggers cannot have INSERT, UPDATE, or DELETE as triggering events?

In this post, you’ll learn more about the Oracle ErrorORA-30502: system triggers cannot have INSERT, UPDATE, or DELETE as triggering events with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30502: system triggers cannot have INSERT, UPDATE, or DELETE as triggering events

Reason for the Error ORA-30502: system triggers cannot have INSERT, UPDATE, or DELETE as triggering events

An attempt was made to create a system trigger with INSERT, UPDATE, or DELETE triggering events, but this type of trigger is not supported because a system trigger does not have a base table.

How to fix the Error ORA-30502: system triggers cannot have INSERT, UPDATE, or DELETE as triggering events ?

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

Do not attempt to create a system trigger with INSERT, UPDATE, or DELETE triggering events.