How to fix the Oracle error QSM-01020: materialized view, string, is ineligible?

In this post, you’ll learn more about the Oracle ErrorQSM-01020: materialized view, string, is ineligible with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-01020: materialized view, string, is ineligible

Reason for the Error QSM-01020: materialized view, string, is ineligible

Materialized view is probably disabled or stale.

How to fix the Error QSM-01020: materialized view, string, is ineligible ?

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

Consider enabling the materialized view for rewrite or refreshing it.