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Oracle Database Service

A Database Service represents a single database, either a single-instance database or a Real Application Cluster database.
A connection request typically specifies a database service name. If no such name is specified, the default service name found in the listener.ora file is used.

Edition attribute

A service can be given an edition attribute which causes subsequent sessions connecting with this service to use this edition.

Internal services

Oracle maintains two internal services:
These services are used by background processes and user sessions that are not associated with a service.

Global Database Service

A global database service is a service provided by multiple databases synchronized through data replication.

TODO

Services (or service names) are an important aspect when creating PDBs.

See also

dbms_service
Database Services are maintained in the data dictionary: dba_services
v$services, v$active_services, v$service_stats, v$service_event, v$service_wait_event, v$serv_mod_act_stats, v$servicemetrics, v$servicemetrics_history.
The init parameter service_names

Index

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