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4 Σεπ 2008 · 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 Δεκ 2023 · A SID (System ID) and a service name are both used to identify a specific Oracle database instance. However, there are some key differences between the two. SIDs are unique to each database instance, while service names can be shared by multiple database instances.
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.
17 Φεβ 2009 · We use tnsnames.ora . 1) What is the difference between SID entry and SERVICE_NAME in the tnsnames.ora. 2) When I put SID the connection is successful, when I put SERVICE_NAME it says tns could not resolve service name. So This works.
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?
28 Μαρ 2017 · I have this idea that service names / aliases given to connections descriptors in a tnsnames.ora (not the one in the server that dblinks use, but the one for the public) file should in no way be related to the SID and much less the name of the server.
SID parameter, which identifies the system identifier (SID) of the Oracle database. The SID is sales. SERVICE_NAME parameter, which identifies the service. The destination service name is a database service named sales.us.example.com.