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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 · 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 sales and finance databases are each identified by a service name, sales.us.example.com and finance.us.example.com, respectively. A service name is a logical representation of a database. When an instance starts, it registers itself with a listener using one or more service names.
6 Μαΐ 2020 · What is the differences between Oracle SIDs and Oracle SERVICE NAMES. 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.
8 Μαΐ 2023 · SID = identifies the database instance (database name + instance number). So if your database name is somedb and your instance number is 3, then your SID is somedb3. DB Name = Name of the database (database can be shared b/t multiple instances)
15 Αυγ 2018 · 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. MYDB.world =. (DESCRIPTION =.
