How to fix the Oracle error QSM-01279: query rewrite not possible because DML operation occurred on a table referenced by materialized view string?

In this post, you’ll learn more about the Oracle ErrorQSM-01279: query rewrite not possible because DML operation occurred on a table referenced by materialized view string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-01279: query rewrite not possible because DML operation occurred on a table referenced by materialized view string

Reason for the Error QSM-01279: query rewrite not possible because DML operation occurred on a table referenced by materialized view string

If any dependent tables of a materialized view undergoes a DML operation, query rewrite may be restricted depending on the query rewrite integrity mode for the session. In this situation, query rewrite will take place only if the rewrite integrity mode is STALE_TOLERATED.

How to fix the Error QSM-01279: query rewrite not possible because DML operation occurred on a table referenced by materialized view string ?

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

Consider refreshing the materialized view changing the rewrite integrity mode to STALE_TOLERATED.