How to fix the Oracle error ORA-12031: cannot use primary key columns from materialized view log on “string”.”string”?

In this post, you’ll learn more about the Oracle ErrorORA-12031: cannot use primary key columns from materialized view log on “string”.”string” with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12031: cannot use primary key columns from materialized view log on “string”.”string”

Reason for the Error ORA-12031: cannot use primary key columns from materialized view log on “string”.”string”

The materialized view log either did not have primary key columns logged, or the timestamp associated with the primary key columns was more recent than the last refresh time.

How to fix the Error ORA-12031: cannot use primary key columns from materialized view log on “string”.”string” ?

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

A complete refresh is required before the next fast refresh. Add primary key columns to the materialized view log, if required.