How to fix the Oracle error QSM-01049: semi-join check failed for materialized view, string?

In this post, you’ll learn more about the Oracle ErrorQSM-01049: semi-join check failed for materialized view, string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-01049: semi-join check failed for materialized view, string

Reason for the Error QSM-01049: semi-join check failed for materialized view, string

If there is a semi join in the query, then Query Rewrite will create (select distinct , from mjv) where is the list of rowids/pk of all mjv tables that don’t correspond to a right side of a semi-join and are their columns. Query Rewrite will not occur if a join from the materialized view cannot match the semi-join from the query.

How to fix the Error QSM-01049: semi-join check failed for materialized view, string ?

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

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