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oracle报12560protocol,sqlplus连接时报:ORA

ORA-12560: TNS:protocol adapter error

此问题是由于oracle_sid没有设置或者设置错误导致的.

解决办法:

1:cmd命令行上:

C:\> set ORACLE_SID=orcl

orcl是设置的instance名字

在命令行上连接sqlplus如下:

C:\Documents and Settings\ldwtxwh>sqlplus

SQL*Plus: Release 10.1.0.2.0 - Production on 星期日 12月 20 18:22:28

2009

Copyright (c) 1982, 2004, Oracle. All rights

reserved.

Enter user-name: system

Enter password:

Connected to:

Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 -

Production

With the Partitioning, OLAP and Data Mining options

SQL>

ok!连接完毕

2:C:\Documents and Settings\ldwtxwh>sqlplus

SQL*Plus: Release 10.1.0.2.0 - Production on 星期日 12月 20 18:33:31

2009

Copyright (c) 1982, 2004, Oracle. All rights

reserved.

Enter user-name: sys/admin@orcl as SYSDBA

或者:scott/tiger@orcl

Connected to:

Oracle Database10gEnterpriseEdition Release10.2.0.1.0 -

Production

With the Partitioning, OLAP and Data Mining options

SQL>

ok!连接完毕

现在用你的sqlplus就可以连接登陆了.

本文标签: oracle报12560protocol sqlplus连接时报ORA