How to fix the Oracle error ORA-12334: database (link name string) is still open?

In this post, you’ll learn more about the Oracle ErrorORA-12334: database (link name string) is still open with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12334: database (link name string) is still open

Reason for the Error ORA-12334: database (link name string) is still open

You attempted to dismount a database that is still open.

How to fix the Error ORA-12334: database (link name string) is still open ?

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

Close the database with the ALTER DATABASE CLOSE command, then re-attempt to dismount the database.