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.