Oracle Error QSM-01247: join back cannot be done on a materialized view that does not have an aggregate (string) Oracle 15 Views 0 Min Read Oracle Error Message QSM-01247: join back cannot be done on a materialized view that does not have an aggregate (string) Reason for the Error Query Rewrite can occur by means of a complex join back only during a MAV rewrite. Solution None Related admin November 5, 2024
