本机实例监听都启动了,PL/SQL中SCOTT及其他账户均可登陆，sqlplus中就不行：
- SQL code
C:\Users\e>sqlplus/nologSQL*Plus: Release 10.2.0.3.0 - Production on 星期三 8月 1 12:49:03 2012Copyright (c) 1982, 2006, Oracle. All Rights Reserved.SQL> connect scott输入口令:ERROR:ORA-12560: TNS: 协议适配器错误
为什么改为远程登陆就可以了呢，原来不这样的呀
- SQL code
C:\Users\e>sqlplus scott/scott@localhost:1521/orclSQL*Plus: Release 10.2.0.3.0 - Production on 星期三 8月 1 12:50:14 2012Copyright (c) 1982, 2006, Oracle. All Rights Reserved.连接到:Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - ProductionWith the Partitioning, OLAP and Data Mining options
ORA文件：
- XML code
ORCL = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = e-PC)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl) ) )
------解决方案--------------------
此问题可能是oracle_sid没有设置或者设置错误导致的.
解决办法:
cmd命令行上:
C:\> set ORACLE_SID=instance名字