Seven service descriptions for oracle11g and oracle11g

Seven service descriptions for oracle11g and oracle11g

A total of 7 services have been installed at oracle11g.

1. oracle orcl vss Writer Service: Oracle Volume ing Copy write Service. VSS (Volume Shadow Copy Service) allows storage basic devices (such as disks and arrays) to create high fidelity time point images, that is, shadow copy ). It can create ing copies on multiple volumes or a single volume without affecting the system performance. (Not mandatory)

2. OracleDBConsoleorcl: the Oracle Database Console service. orcl is the instance id of Oracle and the default instance is orcl. Start this service when running Enterprise Manager (Enterprise Manager OEM. (Not mandatory)

3. OracleJobSchedulerORCL: Oracle Job Scheduling (timer) service. ORCL is the Oracle instance id. (Not mandatory)

4. OracleMTSRecoveryService: Server Control. This service allows the database to act as a resource manager for transactions in the distributed environment, such as the Microsoft Transaction Server MTS, COM/COM + objects, and transactions. (Not mandatory)

5. OracleOraDb11g_home1ClrAgent: Part of the Oracle database. NET extension service. (Not mandatory)

6. OracleOraDb11g_home1TNSListener: Listener service, which is required only when the database needs remote access. (It is not required to be started. Details will be provided below ).

7. OracleServiceORCL: Database Service (database instance) is the core service of Oracle. It is the basis for database startup. Only when the service is started can the Oracle database be started normally. (Must be started)

For beginners, if you only use the SQL * plus provided by Oracle, you only need to start OracleServiceORCL,

If you use third-party tools such as PL/SQL Developer, the OracleOraDb11g_home1TNSListener service must also be enabled. OracleDBConsoleorcl must be enabled to access the web-based EM, and is rarely used by other services.

Note: ORCL is the database instance name, and the default database is ORCL. You can create other databases.