Property | Description |
---|---|
Parameter type | String |
Syntax | DB_UNIQUE_NAME = database_unique_name |
Default value | Database instances: the value of DB_NAME
Automatic Storage Management instances: |
Modifiable | No |
Basic | Yes |
Real Application Clusters | Multiple instances must have the same value. |
DB_UNIQUE_NAME
specifies a globally unique name for the database. Databases with the same DB_NAME
within the same DB_DOMAIN
(for example, copies of a database created for reporting or a physical standby) must have a unique DB_UNIQUE_NAME
. Every database's DB_UNIQUE_NAME
must be unique within the enterprise.
The value of DB_UNIQUE_NAME
can be up to 30 characters and is case insensitive. The following characters are valid in a database name: alphanumeric characters, underscore (_), number sign (#), and dollar sign ($).
See Also:
Oracle Data Guard Concepts and Administration and Oracle Database Administrator's Guide for more information on setting this parameter