LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 01-JUL-2011 14:23:13
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Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=linux4)(PORT=1521)))
The command completed successfully
Oracle9i以后,后台进程PMON自动在监听器中注册在系统参数SERVICE_NAMES中定义的服务名,SERVICE_NAMES默认为DB_NAME+DOMAIN_NAME。监听配置文件listener.ora中可以不必指定监听的服务名。但是,当数据库处于关闭状态下PMON进程没有启动,也就不会自动注册监听的实例名,所以使用sqlplus sys/his@orc0 as sysdba 会出现ORA-12514错误。