How to fix the Oracle error QSM-02149: ON COMMIT with this MV requires 9.0 compatibility or higher?

In this post, you’ll learn more about the Oracle ErrorQSM-02149: ON COMMIT with this MV requires 9.0 compatibility or higher with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-02149: ON COMMIT with this MV requires 9.0 compatibility or higher

Reason for the Error QSM-02149: ON COMMIT with this MV requires 9.0 compatibility or higher

You have specified a materialized view that uses some combination of the following: joins aggregation filter conditions in the WHERE clause a remote relation in the FROM list a SUM(x) function without a corresponding COUNT(x) function an omitted COUNT(*) aggregate function a MIN() or MAX() aggregate function in combination with the REFRESH ON COMMIT option while running in less than 9.0 compatibility mode.

How to fix the Error QSM-02149: ON COMMIT with this MV requires 9.0 compatibility or higher ?

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

Set your compatibility mode to 9.0 or higher or restructure the materialized view query.