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4 Σεπ 2008 · SID = unique name of the INSTANCE (eg the oracle process running on the machine). Oracle considers the "Database" to be the files. Service Name = alias to an INSTANCE (or many instances).
26 Δεκ 2023 · SIDs and service names are both used to identify a database instance, but they serve different purposes. SIDs are used for internal purposes within the Oracle database, while service names are used for external purposes, such as connecting to the database from an application.
SID (System Identifier) is a unique name that identifies an Oracle database instance. It is typically a short, one-word name, such as ‘ORCL’ or ‘DEV’. On the other hand, a service name is an alias that can be used to connect to a database instance.
The SERVICE_NAME can be any valid service presented by the listener. You can check the available services by issuing the lsnrctl status or lsnrctl service commands on the database server. Typically there is at least one service matching the ORACLE_SID of the instance, but you can create more.
27 Δεκ 2023 · We‘ve covered a lot of ground explaining Oracle SIDs and Service Names. The key takeaways are: SID uniquely identifies a database instance ; Service Name provides a dynamic alias for services offered; SID is configured at database creation, Service Name post-creation; SID is static, Service Name can be modified on the fly
20 Σεπ 2004 · What is the primary difference between ORACLE SID and SERVICE_NAMES ? What was the motivation for 8i to use SERVICE_NAMES ? What is the primary naming convention for identifying SERVICE_NAMES parameter for 8i? Documentation gives example of: service_name=sales.us.acme.com [ this looks like a DNS name ] Can you provide some clarification? thank you.
6 Μαΐ 2020 · Oracle SID is the unique name that uniquely identifies your instance/database where as Service name is the TNS alias. SERVICE_NAME is the new feature from oracle 8i on wards in which database can register itself with listener.
