How to fix the Oracle error ORA-04054: database link string does not exist?

In this post, you’ll learn more about the Oracle ErrorORA-04054: database link string does not exist with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-04054: database link string does not exist

Reason for the Error ORA-04054: database link string does not exist

During compilation of a PL/SQL block, an attempt was made to use a non-existent database link.

How to fix the Error ORA-04054: database link string does not exist ?

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

Either use a different database link or create the database link.