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In short: SID = the unique name of your DB, ServiceName = the alias used when connecting. Not strictly true. 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 gru 2023 · In this article, we discussed the difference between Oracle SID and service name. We learned that SID is a unique identifier for a database instance, while service name is a logical name that can be used to connect to a database instance.
6 maj 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.
20 wrz 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.
15 sie 2018 · We use tnsnames.ora . A service name is more flexible than a SID would be. A database can dynamically register with a listener using one or more service names.
Each Oracle database instance has a unique SID. Service Name. Commonly used in connection strings for both direct and indirect database connections. Provides a level of abstraction between the client and the physical database. Allows for multiple services to be defined for a single database instance.
Understanding SID and Service Name. 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.
