1. Register a MV which references the fact table for synchronous refresh. If no such MV exists, you can create one.
2. Unregister all the MVs in the group; drop staging log on the table or alter it to an ordinary MV log. Re-register the MVs which have been unregistered.
- This object was not registered for synchronous refresh.
- The synchronous refresh group was not in the current run.
- The object was not a table type.
* Issue the EXECUTE_REFRESH command again to retry refreshing the views. In this case EXECUTE_REFRESH will internally use the PCT refresh mode to refresh the materialized views.
* Issue the ABORT_REFRESH command to abort the refresh of all objects in the group, including the base tables, and restore them to the original state.