How to fix the Oracle error ORA-32340: cannot tune the materialized view definition?

In this post, you’ll learn more about the Oracle ErrorORA-32340: cannot tune the materialized view definition with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-32340: cannot tune the materialized view definition

Reason for the Error ORA-32340: cannot tune the materialized view definition

Due to constructs in the materialized view definition, it could not be tuned to be fast-refreshable or rewriteable.

How to fix the Error ORA-32340: cannot tune the materialized view definition ?

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

Execute DBMS_MVIEW.EXPLAIN_MVIEW to determine the cause.