How to fix the Oracle error ORA-30360: REF not supported with query rewrite?

In this post, you’ll learn more about the Oracle ErrorORA-30360: REF not supported with query rewrite with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30360: REF not supported with query rewrite

Reason for the Error ORA-30360: REF not supported with query rewrite

The statement contained a REF operator. Repeatable behavior cannot be guaranteed with the REF operator. Therefore, query rewrite cannot support the REF operator.

How to fix the Error ORA-30360: REF not supported with query rewrite ?

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

Remove the reference to the REF operator or disable the REWRITE option on the materialized view.