How to fix the Oracle error ORA-12057: materialized view “string”.”string” is INVALID and must complete refresh?

In this post, you’ll learn more about the Oracle ErrorORA-12057: materialized view “string”.”string” is INVALID and must complete refresh with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12057: materialized view “string”.”string” is INVALID and must complete refresh

Reason for the Error ORA-12057: materialized view “string”.”string” is INVALID and must complete refresh

The status of the materialized view was INVALID and an attempt was made to fast refresh the materialized view.

How to fix the Error ORA-12057: materialized view “string”.”string” is INVALID and must complete refresh ?

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

Perform a complete refresh of the materialized view. Check the value of the STATUS column in dba_mviews, all_mviews, or user_mviews to verify that the materialized view is VALID after the complete refresh.