How to fix the Oracle error ORA-15005: name “string” is already used by an existing alias?

In this post, you’ll learn more about the Oracle ErrorORA-15005: name “string” is already used by an existing alias with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-15005: name “string” is already used by an existing alias

Reason for the Error ORA-15005: name “string” is already used by an existing alias

An existing alias in the diskgroup used the same name.

How to fix the Error ORA-15005: name “string” is already used by an existing alias ?

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

Select another alias name, or drop the existing alias.