oracle 中的listener.ora 格式怎么写
时间: 2023-08-31 08:05:53 浏览: 273
listener.ora是Oracle数据库的监听器配置文件,用于监听和处理客户端的连接请求。以下是listener.ora文件的基本格式:
```
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = protocol_type)(HOST = host_name)(PORT = port_number))
)
)
```
其中,LISTENER是监听器的名称,可以自定义;protocol_type是监听器使用的协议类型,如TCP、UDP等;host_name是监听器所在的主机名(或IP地址);port_number是监听器使用的端口号。
举个例子,如果你要创建一个名为"LISTENER_ORCL"的监听器,并使用TCP协议监听主机名为"localhost"、端口号为1521的连接请求,可以在listener.ora文件中增加以下内容:
```
LISTENER_ORCL =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
)
)
```
在实际使用中,你可以根据需要增加多个监听器定义,每个定义之间用空行隔开。同时,你也可以为每个监听器指定一个或多个服务,以便客户端连接时使用。例如,你可以增加以下内容指定一个名为"ORCL"的服务:
```
SID_LIST_LISTENER_ORCL =
(SID_LIST =
(SID_DESC =
(SID_NAME = ORCL)
(ORACLE_HOME = /u01/app/oracle/product/11.2.0/dbhome_1)
)
)
```
这里,SID_LIST_LISTENER_ORCL是服务列表名称,可以自定义;SID_NAME是服务名称,需要与tnsnames.ora文件中的database_service_name一致;ORACLE_HOME是Oracle软件安装路径。
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