Question

我有oracle11g desktop。对于我的项目，我通过配置助手工具创建3个数据库。然后我删除其中一个在此之后我有错误：ora-12560。错误地我的两个数据库都有相同的密码，例如：当我想连接其中一个数据库与系统用户时，我有一个密码，也许数据库不知道连接哪一个。

我开始所有服务设置oracle_sid=orcl。我跑lsnrctl tnsping检查tansname.ora＆amp; my listener.ora 然后我使用sysdba@oracle_sid

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但我又有了这个错误

请求帮助我 TNX

Answer 1

听起来数据库没有启动。您可能重新启动了计算机，但实例未设置为自动启动

C:\Documents and Settings\tkyte>sqlplus scott/tiger

SQL*Plus: Release 10.1.0.4.0 - Production on Thu Sep 6 15:43:55 2007

Copyright (c) 1982, 2005, Oracle.  All rights reserved.


Connected to:
Oracle Database 10g Enterprise Edition Release 10.1.0.4.0 - Production
With the Partitioning, OLAP and Data Mining options

scott%ORA10GR1> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.1.0.4.0 - Production
With the Partitioning, OLAP and Data Mining options

C:\Documents and Settings\tkyte>net stop oracleserviceora10gr1
The OracleServiceORA10GR1 service is stopping.........
The OracleServiceORA10GR1 service was stopped successfully.


C:\Documents and Settings\tkyte>sqlplus scott/tiger

SQL*Plus: Release 10.1.0.4.0 - Production on Thu Sep 6 15:44:35 2007

Copyright (c) 1982, 2005, Oracle.  All rights reserved.

ERROR:
ORA-12560: TNS:protocol adapter error


Enter user-name:
ERROR:
ORA-12560: TNS:protocol adapter error


Enter user-name:
ERROR:
ORA-12560: TNS:protocol adapter error


SP2-0157: unable to CONNECT to ORACLE after 3 attempts, exiting SQL*Plus

C:\Documents and Settings\tkyte>net start oracleserviceora10gr1
The OracleServiceORA10GR1 service is starting..........
The OracleServiceORA10GR1 service was started successfully.


C:\Documents and Settings\tkyte>sqlplus scott/tiger

SQL*Plus: Release 10.1.0.4.0 - Production on Thu Sep 6 15:45:12 2007

Copyright (c) 1982, 2005, Oracle.  All rights reserved.


Connected to:
Oracle Database 10g Enterprise Edition Release 10.1.0.4.0 - Production
With the Partitioning, OLAP and Data Mining options

scott%ORA10GR1>

Answer 2

删除数据库后（在窗口环境中），我遇到了相同的错误，并且我解决了以下问题

第一种方式：

C：> SET ORACLE_SID = SID名称

第二种方式：

使用regedit定位到以下路径：HKEY_LOCAL_MACHINE \ SOFTWARE \ ORACLE \ KEY_HOME_NAME 更新ORACLE_SID =

参考：https://docs.oracle.com/database/121/ADMQS/GUID-EC18C4A6-3BA5-4C14-9D76-B0DD62FEFFF2.htm#ADMQS12369

ORA-12560：TNS：删除一个数据库后的协议适配器错误

2 个答案: