What is difference between Sid and service name?

What is difference between Sid and service name?

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.

Is Sid same as database name in Oracle?

Please tell me the difference between SID, Database Name, Instance Name, Service Name and listener. Sid= SID(system identifier) is a unique name for an Oracle database instance. DB Name(database name) = Name of the database (database can be shared between multiple instances ) Instance Name = it is same as Oracle SID.

What is Sid Oracle database?

The system identifier (SID) is a unique name for an Oracle database instance on a specific host. On UNIX and Linux, Oracle Database uses the SID and Oracle home values to create a key to shared memory.

What is database instance name in Oracle?

Oracle System Identifier (SID) The system identifier (SID) is a unique name for an Oracle database instance on a specific host. Oracle Database converts a service name into an ORACLE_HOME and ORACLE_SID .

What is a TNS alias?

A Transparent Network Substrate (TNS) alias is useful if more than one machine connects to the same database. A tnsnames. ora file maps TNS names to connect descriptors (usually ADDRESS and CONNECT_DATA).

How do I find my Oracle instance name?

Answer: You can retrieve the instance name and database name using the sys_context function.

What is the difference between database name and instance name?

The main difference between instance and database in SQL server is that an instance is a copy of the sqlservr.exe executable that runs as an operating system service while a database is a systematic collection of data that stores data in tables. Instance and Database are two terms related to SQL Server.

How do I find my TNS service name?

TNS Service name is the local name of the remote Oracle service. To specify the TNS Service name you need to start “Oracle Net Configuration Assistant”.

How to find out the Sid of my Oracle Database?

Oracle_SVCUSER will show the windows user for your Oracle Database. Similarly you can find other information about your Oracle Database as well so feel free to explore these entries. Is there any other way to find out the SID of my Oracle Database? Yes, there is another way to find out the SID of your Oracle Database.

Is the service name the same as the database name?

For each pluggable database there is by default a service name that has the same name as the pluggable database name. For more information, you should really read the related Oracle Database Concepts Guide sections: Note also that global_name is only used with distributed databases.

How to get service name and port for Oracle Database?

Get Service Name: $ cat $ORACLE_HOME/network/admin/tnsnames.ora. With tnsnames.ora format, you can cat SERVICE_NAME net_service_name= (DESCRIPTION= (ADDRESS= (protocol_address_information)) (CONNECT_DATA= (SERVICE_NAME=service_name))) In order to execute tnsping, you can install Oracle Client appropriate to your machine.

What makes an Oracle Database an Oracle instance?

Oracle processes running on a single computer share the SGA. The way in which Oracle processes associate with the SGA varies according to operating system. A database instance includes background processes. Server processes, and the process memory allocated in these processes, also exist in the instance.