How to fix the Oracle error ORA-12442: policy column “string” already used by an existing policy?

In this post, you’ll learn more about the Oracle ErrorORA-12442: policy column “string” already used by an existing policy with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12442: policy column “string” already used by an existing policy

Reason for the Error ORA-12442: policy column “string” already used by an existing policy

You tried to create a policy with the same policy column name as an existing policy.

How to fix the Error ORA-12442: policy column “string” already used by an existing policy ?

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

Use a different name for the policy column or drop the existing policy.