Q:sqlplus连接时报:ORA-12560: TNS:protocol adapter error
A: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 Settingsldwtxwh>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 Settingsldwtxwh>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@orcl SYSDBA
Enter password:
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.