How to fix the Oracle error ORA-12039: unable to use local rollback segment “string”?

In this post, you’ll learn more about the Oracle ErrorORA-12039: unable to use local rollback segment “string” with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12039: unable to use local rollback segment “string”

Reason for the Error ORA-12039: unable to use local rollback segment “string”

A local rollback segment was specified in the CREATE MATERIALIZED VIEW command, but automatic refresh parameters were not specified. Therefore a refresh group was not created to automatically refresh the materialized view and the local rollback segment can’t be registered for future use.

How to fix the Error ORA-12039: unable to use local rollback segment “string” ?

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

Either supply the automatic refresh parameters so that a refresh group will be created or do not specify a local rollback segment.