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Recognize the oracle listener profile

2025-04-02 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >

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There can only be one listener for the same database on the same host. When we configure multiple listeners, it will listen to the database on another host, but the performance is not good.

The listener.ora configuration file explains:

Listener section:

LISTENER =

(DESCRIPTION_LIST =

(DESCRIPTION =

(ADDRESS= (PROTOCOL = IPC) (KEY=EXTPRO1)

(ADDRESS= (PROTOCOL = TCP) (HOST = 192.168.2.29) (PORT = 1521))

)

)

Database configuration section:

SID_LIST_LISTENER =

(SID_LIST =

(SID_DESC =

(GLOBAL_DBNAME = orcl.localdomain)

(ORACLE_HOME = / opt/oracle/product/11.2.0/dbhome_1)

(SID_NAME = orcl)

)

)

Tnsname.ora profile

Test =

(DESCRIPTION =

(ADDRESS = (PROTOCOL = TCP) (HOST = 192.168.2.29) (PORT = 1521))

(CONNECT_DATA =

(SERVICE_NAME = orcl.localdomain)

)

Service_name defaults to global_name.

Query global_name

Select * from global_name

Modify global_name

Alter database rename global_name to orcl

Update global_name set global_name = 'orcl'

Commit

But modified, global_name will not change server_name by default, nor will it modify db_domain by default

So modify the db_domain

Alter system set db_domain='' scope=spfile

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