解决X64操作系统PL/SQL连接报错问题 make sure you have the 32 bits oracle client installed

1、下载32位Oracle客户端

其实可以下载免安装版的,http://www.oracle.com/technetwork/topics/winsoft-085727.html,选择instantclient-basic-nt-11.2.0.2.0.zip即可。

2、解压

解压instantclient-basic-nt-11.2.0.2.0.zip,例如到D:\instantclient_11_2

3、设置PLSQL Developer

启动PLSQL Developer,不登录点取消进入PLSQL Developer,Tools->>Preferences:

Oracle Home:D:\oracle\product\11.2.0\dbhome_1

OCI LibraryD:\instantclient_11_2\oci.dll

4、添加环境变量

TNS_ADMIN ->> D:\oracle\product\11.2.0\dbhome_1\NETWORK\ADMIN

NLS_LANG ->> AMERICAN_AMERICA.UTF8   (用于解决乱码问题)

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