How to fix the Oracle error ORA-19691: string is from different database: id=string, name=string?

In this post, you’ll learn more about the Oracle ErrorORA-19691: string is from different database: id=string, name=string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19691: string is from different database: id=string, name=string

Reason for the Error ORA-19691: string is from different database: id=string, name=string

The database name or database id in backup piece header does not match the one in control file.

How to fix the Error ORA-19691: string is from different database: id=string, name=string ?

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

Supply the correct backup piece belonging to this database.