How to fix the Oracle error ORA-12040: master rollback segment option not support by master site string?

In this post, you’ll learn more about the Oracle ErrorORA-12040: master rollback segment option not support by master site string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12040: master rollback segment option not support by master site string

Reason for the Error ORA-12040: master rollback segment option not support by master site string

An attempt was made to specify master rollback segment in the current operation. The master site of the current materialized view does not allow users to specify a rollback segment to be used for materialized view operations. This feature is only supported by Oracle8 or later master sites.

How to fix the Error ORA-12040: master rollback segment option not support by master site string ?

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

Do not specify a master rollback segment in the current operation or choose a new master site.