Global name

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A global name refers to the full name of a database (including its domain) which uniquely identifies it from any other database. An example global name might be FaqDB1.orafaq.com.

If you set the GLOBAL_NAMES parameter to TRUE, all database link names must be valid global names.

If you do not specify a SERVICE_NAME for a database, the service name will default to the database's global name.

To query a database's global name:

SELECT * FROM global_name;

To change a database's global name:

ALTER DATABASE RENAME GLOBAL_NAME TO ...;
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