How to fix the Oracle error DRG-12234: column string already mapped in section group string?

In this post, you’ll learn more about the Oracle ErrorDRG-12234: column string already mapped in section group string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

DRG-12234: column string already mapped in section group string

Reason for the Error DRG-12234: column string already mapped in section group string

Cause: you tried to add a column section which already exists

How to fix the Error DRG-12234: column string already mapped in section group string ?

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

Action: use correct format