認識oracle監(jiān)聽器配置文件

發(fā)布時間：2020-06-02 05:01:09 來源：網(wǎng)絡(luò) 閱讀：627 作者：yujianglei 欄目：關(guān)系型數(shù)據(jù)庫

同一個主機的同一個數(shù)據(jù)庫，只能有一個監(jiān)聽器，我們所配置多個監(jiān)聽器時，它會監(jiān)聽另外一臺主機上的數(shù)據(jù)庫，但這樣性能不好。
listener.ora配置文件講解：
監(jiān)聽器部分：
LISTENER =
(DESCRIPTION_LIST =
   (DESCRIPTION =
    (ADDRESS=(PROTOCOL = IPC) (KEY=EXTPRO1))
    (ADDRESS=(PROTOCOL = TCP)(HOST = 192.168.2.29)(PORT = 1521))
    )
)
數(shù)據(jù)庫配置部分：
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配置文件

test =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.2.29)(PORT = 1521))
(CONNECT_DATA =
   (SERVICE_NAME = orcl.localdomain)
)

service_name 默認就是global_name.
查詢global_name
select * from global_name;
修改global_name
alter database rename global_name to orcl;
update global_name set global_name = 'orcl';
commit;
但是修改了、global_name并不會默認改掉server_name,也不會默認修改db_domain;
因此修改db_domain
alter system set db_domain='' scope=spfile;

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認識oracle監(jiān)聽器配置文件

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