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问题环境:
1、数据库版本: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
2、操作系统环境:Windows 7 旗舰版 64位
3、本地安装有4个Oracle 数据库软件【四个数据库软件,不是四个数据库哦】如下:
Oracle 10.2服务端软件:e:oracleproduct10.2.0db_1BINsqlplus.exe
Oracle 11.2服务端软件:e:oracleproduct11.2.0db_1BINsqlplus.exe
Oracle 10.2客户端软件:e:oracleproduct11.2.0client_1BINsqlplus.exe
Oracle 11.2客户端软件:e:oracleproduct10.2.0client_1BINsqlplus.exe问题描述:1、本地启动Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 ,服务名sun,服务状态如下:
C:Windowssystem32>sc query oracleservicesun
SERVICE_NAME:oracleservicesun
        TYPE               : 10  WIN32_OWN_PROCESS
        STATE              : 4  RUNNING
                                (STOPPABLE, PAUSABLE, ACCEPTS_SHUTDOWN)
        WIN32_EXIT_CODE    : 0  (0x0)
        SERVICE_EXIT_CODE  : 0  (0x0)
        CHECKPOINT         : 0x0
        WAIT_HINT          : 0x0
2、使用Oracle 10.2服务端软件可以正常连接数据库,如下:C:Windowssystem32>set ORACLE_SID=sun
C:Windowssystem32>e:oracleproduct10.2.0db_1BINsqlplus.exe / as sysdba
SQL*Plus: Release 10.2.0.4.0- Production on 星期一 5月 14 17:06:32 2012
Copyright (c) 1982, 2007, Oracle.  All Rights Reserved.连接到:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing optionssys@SUN>3、使用Oracle 11.2服务端软件可以正常连接数据库,如下:C:Windowssystem32>set ORACLE_SID=sun
C:Windowssystem32>e:oracleproduct11.2.0db_1BINsqlplus.exe / as sysdba
SQL*Plus: Release 11.2.0.1.0Production on 星期一 5月 14 17:07:23 2012
Copyright (c) 1982, 2010, Oracle.  All rights reserved.连接到:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing optionssys@SUN>
4、使用Oracle 10.2客户端软件可以正常连接数据库,如下:
C:Windowssystem32>set ORACLE_SID=sun
C:Windowssystem32>E:oracleproduct10.2.0client_1BINsqlplus.exe / as sysdba
SQL*Plus: Release 10.2.0.4.0- Production on 星期一 5月 14 17:11:27 2012
Copyright (c) 1982, 2007, Oracle.  All Rights Reserved.连接到:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing optionssys@SUN>
5、使用Oracle 11.2客户端软件无法连接数据库,如下
C:Windowssystem32>set ORACLE_SID=sun
C:Windowssystem32>e:oracleproduct11.2.0client_1BINsqlplus.exe / as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on 星期一 5月 14 17:13:08 2012
Copyright (c) 1982, 2010, Oracle.  All rights reserved.
ERROR:
ORA-12560: TNS: 协议适配器错误请输入用户名:补充信息:
Oracle 11.2客户端sqlnet.ora文件如下:
# sqlnet.ora Network Configuration File: e:oracleproduct11.2.0client_1 etworkadminsqlnet.ora
# Generated by Oracle configuration tools.# This file is actually generated by netca. But if customers choose to
# install "Software Only", this file wont exist and without the native
# authentication, they will not be able to connect to the database on NT.SQLNET.AUTHENTICATION_SERVICES= (NTS)
NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)
请各位湿湿们不吝赐教,折腾了很久也没搞明白原因,纠结中。。AIX平台Oracle RAC安装记录(AIX6.1TL7+Oracle RAC 11.2.0.3)使用responseFile进行Oracle静默安装相关资讯      Oracle入门教程 
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