认识oracle监听器配置文件
同一個主機的同一個數據庫,只能有一個監聽器,我們所配置多個監聽器時,它會監聽另外一臺主機上的數據庫,但這樣性能不好。
listener.ora配置文件講解:
監聽器部分:
LISTENER =
?(DESCRIPTION_LIST =
?? (DESCRIPTION =
??? (ADDRESS=(PROTOCOL = IPC) (KEY=EXTPRO1))
??? (ADDRESS=(PROTOCOL = TCP)(HOST = 192.168.2.29)(PORT = 1521))? ?
??? )
?)
數據庫配置部分:
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;
轉載于:https://blog.51cto.com/yujianglei/1558698
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