How to fix the Oracle error ORA-12023: missing index on materialized view “string”.”string”?

In this post, you’ll learn more about the Oracle ErrorORA-12023: missing index on materialized view “string”.”string” with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12023: missing index on materialized view “string”.”string”

Reason for the Error ORA-12023: missing index on materialized view “string”.”string”

The specified ROWID materialized view did not have the required index on the ROWID column of its underlying table.

How to fix the Error ORA-12023: missing index on materialized view “string”.”string” ?

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

Drop and recreate the materialized view.