如何处理ora-12224: TNS:no listener这一问题,急急!在线等候!
本人安装了oracle805,并建立数据库,数库名称为:nyf ,sid为:nyf,easy config,设定有nyf为service name,IP为192.168.100.198(本机IP)sid 为nyf,在test时以system/manager或admin/superstar(新增的用户)均出现如下错误:
Connecting....
The test did not succeed.
ORA-12224: TNS:no listener
There may be an error in the fields entered
or the server may not be ready for a connection.
You can check the server and retry, or continue.
请问我应如何解决些问题?另:instance manager的默认用户及密码是什么?