How to fix the Oracle error ORA-39788: Subtype “string”.”string” is specified multiple times for column string.?

In this post, you’ll learn more about the Oracle ErrorORA-39788: Subtype “string”.”string” is specified multiple times for column string. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-39788: Subtype “string”.”string” is specified multiple times for column string.

Reason for the Error ORA-39788: Subtype “string”.”string” is specified multiple times for column string.

Subtype specified was not unique.

How to fix the Error ORA-39788: Subtype “string”.”string” is specified multiple times for column string. ?

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

Ensure all subtypes specified are unique.