How to fix the Oracle error QSM-01040: match between the materialized view (string) and query join graphs failed?

In this post, you’ll learn more about the Oracle ErrorQSM-01040: match between the materialized view (string) and query join graphs failed with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-01040: match between the materialized view (string) and query join graphs failed

Reason for the Error QSM-01040: match between the materialized view (string) and query join graphs failed

Query rewrite will not take place if the joins in the query and the materialized view do not have any match.

How to fix the Error QSM-01040: match between the materialized view (string) and query join graphs failed ?

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

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