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
Copyright (c) 1982, , 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
Copyright (c) 1982, , 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.
