How to fix the Oracle error ORA-12089: cannot online redefine table “string”.”string” with no primary key?

In this post, you’ll learn more about the Oracle ErrorORA-12089: cannot online redefine table “string”.”string” with no primary key with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12089: cannot online redefine table “string”.”string” with no primary key

Reason for the Error ORA-12089: cannot online redefine table “string”.”string” with no primary key

An attempt was made to online redefine a table that does not have a primary key defined on it.

How to fix the Error ORA-12089: cannot online redefine table “string”.”string” with no primary key ?

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

Do not attempt to online redefine a table that does not have a primary key defined on it.