How to fix the Oracle error ORA-32347: NULL capabilities during explain mview?

In this post, you’ll learn more about the Oracle ErrorORA-32347: NULL capabilities during explain mview with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-32347: NULL capabilities during explain mview

Reason for the Error ORA-32347: NULL capabilities during explain mview

The supplied defining query did not generate any capabilities information.

How to fix the Error ORA-32347: NULL capabilities during explain mview ?

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

Replace the query since it is not suitable for creating a materialized view.