| ERROR | Cannot tune the materialized view to be fast refreshable |
| CAUSE | The materialized view could not be tuned or decomposed to be fast refreshable. |
| ACTION | Run the dbms_mview.explain_mview to find out the reason. |
| ERROR | Cannot tune the materialized view to be fast refreshable |
| CAUSE | The materialized view could not be tuned or decomposed to be fast refreshable. |
| ACTION | Run the dbms_mview.explain_mview to find out the reason. |