How to fix the Oracle error ORA-12315: database link type is invalid for the ALTER DATABASE statement?

In this post, you’ll learn more about the Oracle ErrorORA-12315: database link type is invalid for the ALTER DATABASE statement with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12315: database link type is invalid for the ALTER DATABASE statement

Reason for the Error ORA-12315: database link type is invalid for the ALTER DATABASE statement

The database link name you specified on the ALTER DATABASE statement is not an ROM: link. You must specify an ROM: link when using the ALTER DATABASE statement to mount or open a secondary database.

How to fix the Error ORA-12315: database link type is invalid for the ALTER DATABASE statement ?

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

Re-issue the ALTER DATABASE statement using a valid ROM: link to the database you want to mount or open. If a valid ROM: link does not exist, create one using the CREATE DATABASE LINK command. See the Trusted ORACLE RDBMS Guide to Security Features for more information about creating database links using the ROM: link type.