How to fix the Oracle error ORA-32321: REFRESH FAST of “string”.”string” unsupported after detail table TRUNCATE?

In this post, you’ll learn more about the Oracle ErrorORA-32321: REFRESH FAST of “string”.”string” unsupported after detail table TRUNCATE with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-32321: REFRESH FAST of “string”.”string” unsupported after detail table TRUNCATE

Reason for the Error ORA-32321: REFRESH FAST of “string”.”string” unsupported after detail table TRUNCATE

A detail table has been truncated and no materialized view supports fast refersh after a detail table has been truncated

How to fix the Error ORA-32321: REFRESH FAST of “string”.”string” unsupported after detail table TRUNCATE ?

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

Use REFRESH COMPLETE. Note: you can determine why your materialized view does not support fast refresh after TRUNCATE using the DBMS_MVIEW.EXPLAIN_MVIEW() API.