How to fix the Oracle error ORA-30509: client logoff triggers cannot have AFTER type?

In this post, you’ll learn more about the Oracle ErrorORA-30509: client logoff triggers cannot have AFTER type with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30509: client logoff triggers cannot have AFTER type

Reason for the Error ORA-30509: client logoff triggers cannot have AFTER type

An attempt was made to create a trigger that fires after logoff. This type of trigger is not supported.

How to fix the Error ORA-30509: client logoff triggers cannot have AFTER type ?

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

Do not attempt to create a trigger that fires after logoff.