How to resolve ORA-01506 Error Message in Oracle database

Learn the motive and how to unravel the ORA-01506 error message in Oracle.

Description

When you come upon an ORA-01506 error, the following error message will appear:

ORA-01506: missing or illegal database name

Cause

You tried to execute an ALTER DATABASE command besides a certain database name, and there is no fee unique for the DB_NAME initialization parameter in the initialization file.

Resolution

The option(s) to resolve this Oracle error are:

Option #1

Either specify a database title in the ALTER DATABASE command or set a fee for the DB_NAME parameter in the initialization file.