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用Instant Client,不安装oracle客户端使用sqlplus连接远程数据库一、软件下载及环境配置1.软件下载到下载如下三个包:instantclient-basic-win32-10.2.0.4.zipinstantclient-jdbc-win32-10.2.0.4.zipinstantclient-sqlplus-win32-10.2.0.4.zip将这三个包分别解压,然后内容放到C:\instantclient_10_2下然后从一台安装了oem的机器上复制%ORACLE_HOME\network\admin\tnsnames.ora也放到C:\instantclient_10_2中从下载coiuldr.zip,解压后里面有windows,linux,solaris三个版本,将ociuldr.exe 复制到C:\instantclient_10_2,其中ociuldr.exe 是一个文本导出工具,具体参数可以参考http://www.anysql.net/ociuldr.html介绍2.环境变量的设置在PATH中增加;C:\instantclient_10_2;新建SQLPATH,LOCAL,TNS_ADMIN,LD_LIBRARY_PATH四个环境变量名,变量值均为C:\instantclient_10_2;如果查询结果为乱码,设置set NLS_LANG=XXXX(例如SIMPLIFIED CHINESE_CHINA.ZHS16GBK)3. 如果开发JAVA应用程序,还要配置一些环境变量,例如CLASSPATH,JAVA_HOME等等. CLASSES12.jar 文件是必须的,其他的根据需要添加.4. 如果启动SQLPLUS时出现下面的错误:ORA-12545: Connect failed because target host or object does not exist试着把tnsnames.ora 中的host 改成IP地址。二、运行运行cmdc:&sqlplus /nologSQL:&conn system/oracle@orc10g这样就已经能连接远程服务器了也可以这么连接:conn system/oracle@//192.168.1.179:1521/orc10g连接C:\instantclient_10_2&sqlplus /nologSQL*Plus: Release 10.2.0.4.0 - Production on Thu Nov 27 14:45:51 2008Copyright (c) , Oracle. All Rights Reserved.SQL& conn system/oracle@//192.168.1.179:1521/orc10gConnected.&&&&&&下面看一下ociuldr应用的方法:C:\instantclient_10_2&ociuldr user=system/oracle@orc10g query="select username from dba_users" file=dba_users.txt1550 bytes allocated for column USERNAME (1)0 rows exported at
14:49:4429 rows exported at
14:49:44output file dba_users.txt closed at 29 rows.这样查询结果就输出到dba_user.txt文件里面了。配置tnsnames.ora和sqlnet.ora.。如果本机找不到示例文件,就从其他装有oracle的机器上拷一个。我拷贝了10g和9i版本下各一份:10g下tnsnames.ora内容# tnsnames.ora Network Configuration File: C:\oracle\product\10.1.0\Db_1\network\admin\tnsnames.ora# Generated by Oracle configuration tools.ORC10G =(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = database007)(PORT = 1521))(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = orc10g)))EXTPROC_CONNECTION_DATA =(DESCRIPTION =(ADDRESS_LIST =(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC)))(CONNECT_DATA =(SID = PLSExtProc)(PRESENTATION = RO)))10g下sqlnet.ora的内容# sqlnet.ora Network Configuration File: C:\oracle\product\10.1.0\Db_1\network\admin\sqlnet.ora# Generated by Oracle configuration tools.SQLNET.AUTHENTICATION_SERVICES= (NTS)NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)9i版本下的内容# TNSNAMES.ORA Network Configuration File: d:\oracle\ora92\network\admin\tnsnames.ora# Generated by Oracle configuration tools.ORA9I_192.168.2.206 =(DESCRIPTION =(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.2.206)(PORT = 1521)))(CONNECT_DATA =(SID = ora9i)(SERVER = DEDICATED)))WS_192.168.1.101 =(DESCRIPTION =(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.101)(PORT = 1521)))(CONNECT_DATA =(SID = ws)(SERVER = DEDICATED)))ORA9I_192.168.2.50 =(DESCRIPTION =(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.2.50)(PORT = 1521)))(CONNECT_DATA =(SID = ora9i)(SERVER = DEDICATED)))9下sqlnet.ora的内容# SQLNET.ORA Network Configuration File: d:\oracle\ora92\network\admin\sqlnet.ora# Generated by Oracle configuration tools.SQLNET.AUTHENTICATION_SERVICES= (NTS)NAMES.DIRECTORY_PATH= (TNSNAMES, ONAMES, HOSTNAME)
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