What is the service name of Oracle database?
Oracle SID is the unique name that uniquely identifies your instance/database, whereas the Service name is the TNS alias that you give when you remotely connect to your database, and this Service name is recorded in tnsnames.
Is Sid and service name same?
A SID is a unique name that uniquely identifies the database instance where as a service name is the Database TNS Alias that is given when users remotely connect to the database. The Service name is recorded in the tnsnames.
What is TNS Ping?
TNSPING is a utility in the ORACLE HOME/bin directory used to test if a SQL*Net connect string can connect to a remote listener (check if the socket is reachable). Note: This utility only tests if the listener is available. It cannot tell if the databases behind the listener is up or not.
What is service name in ORACLE service name?
What is SERVICE_NAME in Oracle SERVICE_NAME is the new feature from oracle 8i onwards in which the database can register itself with the listener. If the database is registered with the listener in this way, then you can use the SERVICE_NAME parameter in tnsnames.ora otherwise – use SID in tnsnames.ora.
What’s the difference between global database name and service name?
Global Database Name is Service Name. It’s that simple. “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.” is wrong.
How is Sid different from service name in Oracle tnsnames?
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).
How to specify multiple service names in V$ database?
You can also specify multiple service_name entries in order to distinguish among different uses of the same database. Here is an example if two tnsnames.ora files, one using SID and the other using SERVICE_NAME: db_name – This is created when you issue your “create database” statement and it can be seen in the v$database view.