How to fix the Oracle error ORA-00960: ambiguous column naming in select list?

In this post, you’ll learn more about the Oracle ErrorORA-00960: ambiguous column naming in select list with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-00960: ambiguous column naming in select list

Reason for the Error ORA-00960: ambiguous column naming in select list

A column name in the order-by list matches more than one select list columns.

How to fix the Error ORA-00960: ambiguous column naming in select list ?

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

Remove duplicate column naming in select list.