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Windows7旗舰版安装PLSQLDeveloper连接数据库遇到:ora-12514 问题和ORA-12545:因目标主机或对象不存在,连接失败”解决方法

2012-08-08 17:36 1506 查看
1、 解决ora-12514 问题

找到F:\oracle\product\10.2.0\db_1\NETWORK\ADMIN目录下的tnsnames.ora文件

将如下内容替换tnsnames.ora文件内容:

# tnsnames.ora Network Configuration File:F:\oracle\product\10.2.0\db_1\network\admin\tnsnames.ora

# Generated by Oracle configuration tools.

ORCL =

(DESCRIPTION =

(ADDRESS = (PROTOCOL = TCP)(HOST = Win7-PC)(PORT = 1521))

(CONNECT_DATA =

(SERVER = DEDICATED)

(SERVICE_NAME = orcl)

)

)

EXTPROC_CONNECTION_DATA =

(DESCRIPTION =

(ADDRESS_LIST =

(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))

)

(CONNECT_DATA =

(SID = PLSExtProc)

(PRESENTATION = RO)

)

)

替换完后重启oracle服务

ORA-12545:因目标主机或对象不存在,连接失败”问题的解决

在F:\oracle\product\10.2.0\db_1\NETWORK\ADMIN目录下找到listenner.ora文件

将内容做如下替换:

# listener.ora Network Configuration File:F:\oracle\product\10.2.0\db_1\network\admin\listener.ora

# Generated by Oracle configuration tools.

SID_LIST_LISTENER =

(SID_LIST =

(SID_DESC =

(SID_NAME = ORCL)

(ORACLE_HOME = F:\oracle\product\10.2.0\db_1)

(PROGRAM = extproc)

)

)

LISTENER =

(DESCRIPTION_LIST =

(DESCRIPTION =

(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))

(ADDRESS = (PROTOCOL = TCP)(HOST = Win7-PC)(PORT = 1521))

)

)

替换完后重启oracle服务和监听服务
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